how many significant figures in a substance with a mass of 0.07080 grams?

Answers

Answer 1

In the number 0.07080 grams, there are four significant figures. Significant figures are the digits in a number that carry meaning or contribute to its precision.

Significant figures are a way to express the precision or accuracy of a measured or calculated value. In the number 0.07080 grams, each digit contributes to the precision of the measurement. The nonzero digits "7", "0", and "8" are all significant because they provide meaningful information about the measurement. Zeros can also be significant depending on their position. The zero before the decimal point is not significant since it simply indicates the absence of any units greater than grams. However, the trailing zero after the decimal point is significant because it represents precision to the nearest hundredth of a gram.

Therefore, the number 0.07080 grams has four significant figures, indicating a higher level of precision in the measurement.

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Related Questions

Which substance cannot be separated or broken down into simpler substances by chemical means?


table salt

gold wire


candle wax


water vapor

Answers

Answer: Gold Wire

Explanation:

Out of all of these options only gold wire is an element, elements are pure and cannot be broken down by any chemical means

hope it helped, good luck :)

which step in glycolysis involves the process where direct substrate phosphorylation occurs? (a) 3- phosphoglycerate to phosphoenolpyruvate (b) 1,3, bisphosphoglycerate to 3-phosphoglycerate and phosphoenolpyruvate to pyruvate (c) fructose-6-phosphate to fructose1,6-bisphosphate (d) 3- phosphoglycerate to 2-phosphoglycerate and phosphoenolpyruvate to pyruvate

Answers

The correct option is (b) 1,3, bisphosphoglycerate to 3-phosphoglycerate and phosphoenolpyruvate to pyruvate is the step in glycolysis involves the process where direct substrate phosphorylation occurs.What is glycolysis?Glycolysis is the metabolic pathway that breaks down glucose to pyruvate.

The glycolytic pathway converts glucose into two molecules of pyruvate and yields two ATP and two NADH molecules for each glucose molecule that enters the process.The series of reactions of glycolysis are divided into two main phases: an energy-investment phase, in which energy is consumed, and an energy-payoff phase, in which ATP is created. The first energy-investment phase is phosphorylation of glucose into glucose-6-phosphate, which is followed by phosphorylation of fructose-6-phosphate into fructose-1,6-bisphosphate.The direct substrate phosphorylation is the process where a substrate or molecule is phosphorylated via the transfer of a high-energy phosphate molecule directly from a phosphorylated intermediate (substrate-level phosphorylation).1,3-bisphosphoglycerate to 3-phosphoglycerate and phosphoenolpyruvate to pyruvate are steps in glycolysis that involve the process where direct substrate phosphorylation occurs.

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A 0.5 kg arrow was shot at a target. The arrow accelerated at 200 m/s2. What was
the net force on the arrow to the nearest newton?
Record your answer and be sure to use the correct place value.

Answers

Answer: I think 100?

Explanation:

It’s asking for the net FORCE! And the formula to find force is to multiply the mass by the acceleration which would be in this case 0.5x200 which would be 100

The elements C and Se have the same electronegativity value, 2.55. Which of the following claims about the compound that forms from C and Se is most likely to be true?
a. The compound is likely to be an ionic compound.
b. The compound is likely to be a covalent compound.
c. The compound is likely to be a metallic compound.
d. The compound is likely to be an organic compound.

Answers

Carbon (C) and Selenium (Se) having the same electronegativity value of 2.55 is likely to form a (b) covalent compound.

An electronegativity value is the measure of the ability of an atom to attract shared electrons towards itself when they are chemically bonded with another atom.

Brief Information about C and Se:

Carbon (C) - Carbon is the 6th element on the periodic table. It is a non-metallic element that can be found in all known life forms. Carbon has 4 valence electrons, and it can either lose or share electrons to attain a stable electron configuration.

Selenium (Se) - Selenium is a non-metal element that belongs to group 16 of the periodic table. It has 6 valence electrons, and it can either lose or share electrons to attain a stable electron configuration. It is not found in its elemental form in nature and it is found in trace amounts in soils, rocks, and water.

Based on the above information, the following claim about the compound that forms from C and Se is most likely to be true: Option b. The compound is likely to be a covalent compound.

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1. Why is the timing of tides predictable?
A. because winds are predictable
B. because the moon’s path is predictable
C. because ocean water density is predictable
D. because the sun’s movements are predictable

Answers

C hope that helps have a good one

Answer:

Because the moon's path is predictable

Explanation:

The moon affects the tides

Which are characteristics of all metals?
A
They are malleable, ductile, and conduct electricity.
B
They are malleable, ductile, and form ionic bonds.
C
They are ductile, inert, and conduct electricity.
D
They are noble, ductile, and form ionic bonds.

Answers

Answer:

A. They are malleable, ductile, and conduct electricity.

Explanation:

Answer:

a

Explanation:

Minerals are formed by which process? O magma cooling O fault lines moving O metamorphosis O sedimentation​

Answers

i’m pretty sure it’s magma cooling. sorry if i’m wrong. also anytime someone says to click a link, don’t click it they are scamming

How many atoms of aluminum are in 0.1 mol of aluminum?

Answers

Answer: The number of 'entities' in a mole of any pure substance is always that. 1 mole is equivalent to the number of atoms in a 12g lump of Carbon12.

Edit: I deliberately avoided using Avogadro's number as that is different, in a technical sense, to a mole. A mole is a base unit of the International System of Units (SI) which recognized amount of substance as an independent dimension of measurement. With this recognition, the Avogadro constant was no longer a pure number but a physical quantity associated with a unit of measurement, the reciprocal mole (mol−1) in SI units.  

Therefore Avogadro constant is DERIVED from the mole (nowadays) to give something like 6.02214179 x 10^23 mole^(-1). (based on 2006 evidence)

write equations showing how each weak base ionizes water to form oh-. also write the corresponding expression for kb.
a. NH3
b. HCO3-
c. CH3NH2

Answers

The chemical equations are as follows:

a. NH₃: NH₃ + H₂O ⇌ NH₄+ + OH⁻ (Kb = [NH4⁺][OH⁻] / [NH₃])

b. HCO₃-: HCO₃- + H₂O ⇌ H₂CO₃ + OH⁻ (Kb = [H₂CO₃][OH⁻] / [HCO₃⁻])

c. CH₃NH₂: CH₃NH₂ + H₂O ⇌ CH₃NH₃+ + OH⁻ (Kb = [CH₃NH₃⁺][OH⁻] / [CH₃NH₂])

a. NH₃ (ammonia):

NH₃ + H₂O ⇌ NH₄⁺ + OH⁻

The corresponding expression for Kb (base dissociation constant) is:

Kb = [NH₄⁺][OH⁻] / [NH₃]

b. HCO₃⁻ (bicarbonate):

HCO₃⁻ + H₂O ⇌ H₂CO₃ + OH⁻

The corresponding expression for Kb is:

Kb = [H₂CO₃][OH⁻] / [HCO₃⁻]

c. CH₃NH₂ (methylamine):

CH₃NH₂ + H₂O ⇌ CH₃NH₃+ + OH-

The corresponding expression for Kb is:

Kb = [CH₃NH₃⁺][OH⁻] / [CH₃NH₂]

In these equations, the weak base reacts with water to produce its conjugate acid (NH₄⁺, H₂CO₃, or CH₃NH₃⁺) and hydroxide ions (OH⁻). The Kb expression represents the equilibrium constant for the base ionization reaction and relates the concentrations of the products (conjugate acid and hydroxide ion) to the concentration of the weak base.

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The percent yield for the reaction in which 15.6g of aluminum hydroxide is reacted in excess hydrogen chloride gas is 92.5%. What is the actual yield of aluminum chlorine?

Answers

Answer:

24.6 g

Explanation:

consider a thin film of of soapy water (n = 1.33) on plexiglas. since light is a wave, there are many thicknesses of this film that will result in constructive interference.

Answers

When light passes through a thin film of soapy water (n = 1.33) on plexiglass, there are several thicknesses of this film that will result in constructive interference.

Due to the light being a wave, it can create a constructive or destructive interference pattern.The thickness of the thin film of soapy water can be calculated by using the equation 2nt = mλ where n is the refractive index of the medium, t is the thickness of the film, m is the order of interference, and λ is the wavelength of the incident light.

If the thickness of the film satisfies the above equation, the light waves will interfere constructively, resulting in a bright spot.

The order of interference determines the location of the bright spot and is indicated by an integer value (m = 0, 1, 2, 3...).

The reason why soapy water forms a thin film on plexiglass is due to the adhesion and cohesive forces between the two.

The thickness of the film can be controlled by changing the concentration of soap in water or the angle of incidence of the light.

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Methane and water react to form hydrogen and carbon monoxide, like this: CH4(g)+H20(g) → 3 H,(g) + CO(g) The reaction is endothermic. Suppose a mixture of CH4, H20, H2 and CO has come to equilibrium in a closed reaction vessel. Predict what change, if any, the perturbations in the table below will cause in the composition of the mixture in the vessel. Also decide whether the equilibrium shifts to the right or left.

Answers

Answer is given in parts

Given equation: CH4(g)+H20(g) → 3 H2(g) + CO(g)

The given reaction is endothermic. It can be predicted that if there is an increase in temperature, the equilibrium will shift to the right as an endothermic reaction will favor the forward reaction to absorb more heat. If there is a decrease in temperature, the equilibrium will shift to the left.

Perturbations Effect on the composition of mixture Effect on the equilibrium

a. Removal of CH4 Decrease Decrease in CH4 will shift the equilibrium to the right.

b. Addition of CO Increase The addition of CO will shift the equilibrium to the left as the reaction will try to use up the excess CO.

c. Increase in Pressure No effect The increase in pressure will have no effect as the total number of moles of gases is the same on both sides of the equation.

d. Increase in temperature Increase Increase in temperature will shift the equilibrium to the right as it is an endothermic reaction and will favor the forward reaction to absorb more heat.

e. Addition of H2O No effect The addition of H2O will have no effect as there is already H2O present on the reactant side and the product side.

f. Removal of CO Decrease The removal of CO will shift the equilibrium to the right as the reaction will try to replace the lost CO.

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If a nuclear reactor were to have a meltdown, radioactive materials could escape in the form of gases from the reactor into the atmosphere and harm humans and the environment. One safety system that might be able to prevent such an escape is a:

Answers

A containment building.

hope this helpedddd

(PLS HELP ASAP <3)
a sample of oxygen gas occupies 600mL when the pressure is 900 mmHg, what is the pressure if the volume is increased to 800 mL​

Answers

Answer:

675 mmHg

Explanation:

The new pressure can be found by using the formula for Boyle's law which is

[tex]P_1V_1 = P_2V_2[/tex]

Since we're finding the new pressure

[tex]P_2 = \frac{P_1V_1}{V_2} \\[/tex]

We have

[tex]P_2 = \frac{900 \times 600}{800} = \frac{540000}{800} \\ = 675[/tex]

We have the final answer as

675 mmHg

Hope this helps you

liquids that mix completly are called

Answers

Liquids that mix completely are known as miscible liquids.Jun 6, 2020

Answer:

Miscible

Explanation:

Mixed completely

Identify the orbital containing the electron removed in each ionization. Enter a subshell designation, such as 3p or 5s.
a. 1st
b. 2nd
c. 3rd

Answers

The orbitals are;

a. 1st - 4s

b. 2nd - 4s

c. 3rd - 3d

What is the orbital from which the first, second and third electrons are removed from the transition elements?

First, second, and third electrons from the 4s orbital are frequently removed from transition elements before any electrons from the 3d orbital. This is due to the fact that the energy levels of the 4s and 3d orbitals are quite similar and the energy level of the 4s orbital is marginally lower.

According to the Aufbau principle, electrons fill the lowest possible energy levels first in the electron configuration of transition elements before migrating to higher energy levels. As a result, electrons fill the 4s orbital first, followed by the 3d orbital, with the first two electrons.

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Write the formula for Zn+2 (SO4)-2

Answers

Answer:

Zn2 + SO4 = Zn2(SO4)2

Explanation:

14. A 70 N tight rope walker is walking 20 meters above ground. About how much Gravitational Potential Energy does the performer have? 1,400 J 1,200 J 800 J

Answers

Answer:

It is 1,400 j

Explanation:

That is what i know

Answer:

1,400J

Explanation:

the formula for calculating Gravitational Potential Energy is mass×gravitational field strength×height

70×10×20=1,400

Compute the percentage of error to the nearest tenth in the student’s calculation if the actual specific heat value for aluminum is 0.9J:g*C.

Answers

Complete Question:

1. A block of aluminum with a mass of 140 g is cooled from 98.4°C to 62.2°C with a release of 4817 J of heat. From these data, calculate the specific heat of aluminum.

a. Compute the percentage of error to the nearest tenth in the student's calculation if the actual specific heat value for aluminum is 0.9 J/g°C

Answer:

Percent error = 55.56 %

Explanation:

Given the following data;

Mass = 140 grams

Initial temperature = 62.2°C

Final temperature = 98.4°C

Quantity of heat = 4817 Joules.

To find the specific heat capacity;

Heat capacity is given by the formula;

[tex] Q = mcdt[/tex]

Where;

Q represents the heat capacity or quantity of heat. m represents the mass of an object. c represents the specific heat capacity of water. dt represents the change in temperature.

dt = T2- T1

dt = 98.4 - 62.2

dt = 36.2°C

Making c the subject of formula, we have;

[tex] c = \frac {Q}{mdt} [/tex]

Substituting into the equation, we have;

[tex] c = \frac {4817}{140*36.2} [/tex]

[tex] c = \frac {4817}{5068} [/tex]

Specific heat capacity, = 0.95 J/g°C

b. To find the percentage error;

Given the following data;

Actual specific heat capacity = 0.9 J/g°C

Experimental specific heat capacity = 0.95 J/g°C

Percent error can be defined as a measure of the extent to which an experimental value differs from the theoretical value.

Mathematically, it is given by this expression;

[tex] Percent \; error = \frac {experimental \;value - actual \; value}{ actual \;value} *100[/tex]

Substituting into the formula, we have;

[tex] Percent \; error = \frac {0.95 - 0.9 }{ 0.9} *100[/tex]

[tex] Percent \; error = \frac {0.5}{0.9} *100[/tex]

[tex] Percent \; error = 0.5556 *100[/tex]

Percent error = 55.56 %

Could someone please care to explain what this is please

Answers

Answer:

cierra los ojos que me vengo o me vengo

Explanation:

cierra los ojos que me vengo o me vengo  cierra los ojos que me vengo o me vengo cierra los ojos que me vengo o me vengcierra los ojos que me vengo o me vengoo

the potential energy of a pair of hydrogen atoms separated by a large distance x is given by u(x)=−c6/x6 , where c6 is a positive constant.

Answers

The potential energy (u) of a pair of hydrogen atoms separated by a large distance x is given by the equation = u(x) = -c6/x^6. The equation provided represents a simplified model of the interaction between hydrogen atoms, known as the Lennard-Jones potential.

In this equation, c6 is a positive constant that determines the strength of the interaction between the hydrogen atoms. The potential energy is inversely proportional to the sixth power of the distance between the atoms.

As the distance (x) between the hydrogen atoms increases, the potential energy decreases rapidly. This is because the negative sign indicates an attractive force between the atoms. The potential energy approaches zero as the distance between the atoms becomes very large.

Conversely, as the distance between the hydrogen atoms decreases, the potential energy becomes more negative, indicating a stronger attractive force between the atoms.

In reality, the interaction between atoms is more complex and involves other factors such as electron-electron repulsion and electron-nucleus attraction.

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Consider the four weak bases listed below. Which would primarily exist as a cation in an aqueous solution with pH = 9? a) only aniline, Kb = 4.0 x 10-10, pKa = 4.60 b) only caffeine, Kb = 1.4 x 10-4, pKg = 10.1 c) none will be cationic d) only quinine, Kb = 3.3 x 10-6, pKa = 8.52 e) only morphine, Kb = 1.6 x 10-6, pkg = 8.20 f) all will be cationic

Answers

When an aqueous solution has a pH value of 9, the solution is basic. It is important to note that weak bases behave like weak acids, producing their corresponding conjugate acid in the presence of water.

When a base interacts with water, it accepts a hydrogen ion to form the conjugate acid of the base. This conjugate acid can either exist in solution as a neutral species, as an anion, or as a cation. An anion is formed when a strong acid reacts with a weak base and displaces the weak base's conjugate base. Consider the four weak bases listed below. Which would primarily exist as a cation in an aqueous solution with pH = 9?

a) Aniline with Kb = 4.0 x 10-10 and pKa = 4.60
Aniline is a weak base that will primarily exist in a cationic state in an aqueous solution with a pH of 9. Aniline's Kb value is small, indicating that it is a weak base. Aniline's conjugate acid is NH2+, which is a weak acid.

b) Caffeine with Kb = 1.4 x 10-4 and pKg = 10.1
Caffeine is a weak base that will primarily exist in an anionic state in an aqueous solution with a pH of 9. Caffeine has a Kb value that is relatively large, indicating that it is a weak base. The conjugate acid of caffeine is H+, which is a strong acid.

c) None of the above weak bases will be cationic in solution.

d) Quinine with Kb = 3.3 x 10-6 and pKa = 8.52
Quinine is a weak base that will primarily exist in a cationic state in an aqueous solution with a pH of 9. Quinine has a Kb value that is small, indicating that it is a weak base. The conjugate acid of quinine is NH+2, which is a weak acid.

e) Morphine with Kb = 1.6 x 10-6 and pkg = 8.20
Morphine is a weak base that will primarily exist in a cationic state in an aqueous solution with a pH of 9. Morphine has a Kb value that is small, indicating that it is a weak base. The conjugate acid of morphine is NH+2, which is a weak acid.

f) All weak bases will not be cationic in solution.

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Which of the following substances will affect the solubility of BaF2 in aqueous solution? Select ALL that apply.
a. LiF
b. H2SO4
c. NaOH
d. BaCl2
e. KNO3

Answers

The substances that will affect the solubility of BaF[tex]_2[/tex] in an aqueous solution are LiF, H[tex]_2[/tex]SO[tex]_4[/tex], NaOH, and BaCl[tex]_2[/tex]. The correct answer is option a, b, c, and d.

The solubility of a compound refers to its ability to dissolve in a solvent. It is affected by a number of factors such as temperature, pressure, and the presence of other substances. In the case of BaF[tex]_2[/tex], its solubility can be influenced by other substances in the solution.

Here are the explanations of how each substance will affect the solubility of BaF[tex]_2[/tex]:

LiF (a) - Both BaF[tex]_2[/tex] and LiF are ionic compounds. Therefore, the presence of LiF in the solution can cause an increase in the solubility of BaF[tex]_2[/tex].

H[tex]_2[/tex]SO[tex]_4[/tex] (b) - Sulfuric acid (H[tex]_2[/tex]SO[tex]_4[/tex]) is a strong acid. When it dissociates in water, it produces [tex]H^+[/tex] ions. The presence of [tex]H^+[/tex] ions in the solution can decrease the solubility of BaF[tex]_2[/tex].

NaOH (c) - Sodium hydroxide (NaOH) is a strong base. When it dissociates in water, it produces [tex]OH^-[/tex] ions. The presence of [tex]OH^-[/tex] ions in the solution can increase the solubility of BaF[tex]_2[/tex].

BaCl[tex]_2[/tex] (d) - BaCl[tex]_2[/tex] is another ionic compound that can dissociate into [tex]Ba^{2+}[/tex] and [tex]Cl^-[/tex] ions in aqueous solution. The presence of [tex]Ba^{2+}[/tex] ions can have a significant impact on the solubility of BaF[tex]_2[/tex] as it can cause a decrease in its solubility.

KNO[tex]_3[/tex] (e) - Potassium nitrate (KNO[tex]_3[/tex]) is a neutral compound that is not expected to have any significant effect on the solubility of BaF[tex]_2[/tex].

Therefore, the correct answer is a. LiF, b. H[tex]_2[/tex]SO[tex]_4[/tex], c. NaOH, and d. BaCl[tex]_2[/tex].

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Oxygen is produced at the positive electrode
Write a balanced half equation for the process at the positive electrode ​

Answers

Answer:

See Explanation

Explanation:

In electrolysis, a solution called the electrolyte is decomposed by the passage of direct current through it.

The points through which current enters and leaves the electrolyte are called electrodes. In electrolysis, oxidation occurs at the anode and reduction occurs at the cathode.

In the electrolysis of water; at the anode oxygen is produced as follows;

4OH^-(aq) -----> 2H2O(l) + O2(g) + 4e

Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?

Answers

Answer:

The density is 7 g/cm^3

Explanation:

The formula for density is p=m/V. Where p is the density, m is mass, and V is the volume. 14/2=7.

How many moles is 80.0 g of calcium?

Answers

Answer:

Here we were given the weight of Ca as 80g

and the atomic mass of carbon is 40u(molar mass)

using the formula

n=W/M

where w is weight and m is molar mass

80/40

=2

therefore, there are 2 moles in 80g of calcium

In Wittig Reaction, the reaction will be run using _____ as solvent. _______ is added to the residue to leach out your product. Your crude product is recrystallized from _______

Answers

In Wittig reaction, will be run using diethyl ether or THF as solvent. Water is used for leaching the product from the residue. Your crude product is recrystallized from ethanol.

In the Wittig reaction, the reaction is typically run using an inert solvent such as diethyl ether or tetrahydrofuran (THF). Water is added to the residue to leach out the product, as the product is often water-soluble while the residue contains the byproducts and unreacted reagents.

The crude product is then recrystallized from a suitable solvent such as ethanol or methanol to obtain purified crystals. The choice of solvent for recrystallization depends on the solubility of the product and impurities.

Recrystallization is performed using solvents like ethanol or methanol to obtain purified crystals of the desired product. The choice of solvent in each step is crucial for achieving a successful and purified reaction outcome.

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The complete question is:

In Wittig Reaction, the reaction will be run using A. (hexane/methanol/no solvent) as solvent: B (Hexane/methanol/no solvent) is added to the residue to leach out your product: Your crude product is recrystallized from C (hexane/methanol/no solvent)

Determination of Avogadro’s number using electrolysis.
Report your observations on the general changes of the electrodes with each electrolysis.
a. anode
b. cathode

Answers

The electrolysis of sodium chloride (NaCl) solution, chlorine gas is produced at the anode because the chloride ion (Cl-) has a greater tendency to pick up electrons than the hydroxide ion (OH-) in the water.2Cl- - 2e- → Cl2b. Cathode:During electrolysis, the cathode will gain electrons to form a negatively charged ion that is discharged. For example, in the electrolysis of sodium chloride (NaCl) solution, hydrogen gas is produced at the cathode because the hydrogen ion (H+) has a greater tendency to pick up electrons than the sodium ion (Na+) in the water.2H+ + 2e- → H2.

Avogadro’s number (NA) can be determined by electrolysis using the Faraday’s laws of electrolysis. Electrolysis is the process of separating or breaking down a compound by the action of an electric current into its constituent parts. Faraday's first law states that the amount of substance deposited or liberated during electrolysis is proportional to the quantity of electricity passed.Faraday's second law of electrolysis states that the weights of different substances that are liberated at the electrodes, on passing the same quantity of electricity through an electrolytic cell are proportional to their equivalent weight.Given below is the calculation for the determination of Avogadro’s number using electrolysis:Let's assume the current passed, I = 2 ATime taken, t = 1800 seconds (30 minutes)Atomic weight of copper, W = 63.5 g/molThe electrochemical equivalent of copper is given by Faraday’s first law asThe amount of copper deposited on cathode = itM / zFWhere,M = atomic mass or molar mass of copperz = number of electrons involved in the reaction (z = 2 in the case of copper)F = Faraday’s constant, i.e. 96500 C mol-1Thus, the number of moles of copper deposited is given byMoles of copper deposited = (itM / zF) = (2 × 1800 × 63.5) / (2 × 96500)= 0.117 gramsNumber of moles of copper atoms in 0.117 grams is given byMoles of copper atoms = (0.117 / 63.5) = 1.84 × 10-3 molesGiven that 1 mole of copper contains 6.02 × 1023 copper atoms or ions, the number of copper atoms or ions in 1.84 × 10-3 moles is given byNA = number of copper atoms or ions = (1.84 × 10-3 × 6.02 × 1023) / 1= 1.11 × 1021 atoms or ionsReport on the general changes of the electrodes with each electrolysisa. Anode:During electrolysis, the anode will gradually dissolve because it loses electrons to form a positively charged ion that goes into solution, allowing the reaction to occur. For example, in the electrolysis of sodium chloride (NaCl) solution, chlorine gas is produced at the anode because the chloride ion (Cl-) has a greater tendency to pick up electrons than the hydroxide ion (OH-) in the water.2Cl- - 2e- → Cl2b. Cathode:During electrolysis, the cathode will gain electrons to form a negatively charged ion that is discharged. For example, in the electrolysis of sodium chloride (NaCl) solution, hydrogen gas is produced at the cathode because the hydrogen ion (H+) has a greater tendency to pick up electrons than the sodium ion (Na+) in the water.2H+ + 2e- → H2.

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TRUE OR FALSE?

It is not possible for wind can push an air parcel even higher in the troposphere, causing the parcel to cool and lose more energy, which will lead to more rainfall.

Answers

Answer:

The more water vapor in the air parcel, the more condensation can occur, and therefore, more rain. ... The air parcel then loses more energy, causing more rainfall. Wind pushes air parcels even higher in the troposphere, where it is colder. The air parcels will then lose more energy and more rain can happen.

I think is FALSE, is that right?

Will give brainliest!!!!

Answers

Answer:

Its B :)

Hope this helps

Image B will shows the butter particles before and after thermal energy will be transferred to the solid butter by heating. So, the correct option is B.

What is Thermal energy?

The energy present in a system that determines its temperature is referred to as thermal energy. Thermal energy flows as heat. Thermodynamics is a whole field of physics that studies how heat is transmitted across various systems and how work is performed in the process.

The butter particles in Picture B are shown both before and after the solid butter has been heated to transmit thermal energy to it. This image shows a solid butter particle with tightly packed molecules, however when the butter is heated, it melts into a liquid form with loosely packed molecules.

Thus, the correct option is B.

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Joseph wants to take out the color of the background wall from an image what can Joseph do to achieve this Find all solutions to the equation 34 38 = 3 where a, are positive integers (or show there are none). (6) Find all solutions where x and y are integers to the diophantine equation 1/x + 1/y =1/5 5) Is this dilation an enlargement or reduction A) EnglargementB) Reduction6) What is the scale factor for this dilation? Hint: First identity if its an enlargement or reduction A) 2B) 1/2C) 3D) 1/3 In a local, recreational soccer league there are 252 men and 90 women signed up to play. The organizers need to make sure that everyone is on a team, the teams are the same size, each team has the same number of males; and each team has the same number of females. a. What is the largest possible number of teams? b. How many people will be on each team? a bowl contains 5 red chips, 7 blue chips, 6 yellow chips, and 10 green chips. One chip is randomly drawn. Write the answer as a fraction in simplest form. Find the probability of choosing a red OR yellow chip. If the rate of decomposition of ammonia, NH3, at 1150 K is 2.10 x 10-6 mol/L/s, what is therate of production of nitrogen and hydrogen? Given 2NH3 3H2 + N2 *WILL GIVE BRAINLIEST FOR THE BEST ANSWER PLEASE HELP AND IF YOU DONT KNOW THE ANSWER DONT ANSWER!*How many people participated in the survey given the data in the histogram below?Question 1 options:7 people12-15 people20 people0 people please help 20 points links will be deleted and will give crown to right answers Complete the following sentence._______ disease is a common type of dementia that causes problems with short-term memory and daily living. Rank the following fatty acids a coording to their melting point, from highest melting point to lowest melting point. Rank from highest melting point to lowest melting point. To rank items as equivalent, overlap them. 3. A system of functions is given. SelectALL values where f(x) = g(x). Round allanswers to the nearest tenthf(x) = - x - 2x + 6g(x) = 2x2 + 5x + 3a) -2.7b) -1.8c) -0.6d) 0.4e) 4.1f) 5.1g)7.0 Read this excerpt from a works cited page for an informative essay.Works CitedFerry, Christopher. Racial Change in Civil War America. New York: Sunspot Press, 2011. Print.Underground Railroad. World Book Online. 2012. Web. 20 December 2012. .Which best describes the two citations?The two citations indicate possible plagiarism by the essay writer.The two citations make it difficult to know where to find the sources.The two citations provide information on how to locate the sources.The two citations change the information in the writers essay. A stock just paid $1.9 dividend yesterday. The dividend is expected to grow at 1.8% per year thereafter. If the required rate of return of the stock is 8%, then using the dividend discount model, the stock price should be ------ What is the equation of the graph below?y = sec(x 4)y = sec(x) 4y = sec(x + 4) + 4y = sec(x + 4) 4 Someone solve this please if you wish to observe features that are around the size of atoms, say 6.5 10-10 m, with electromagnetic radiation, the radiation must have a wavelength of about the size of the atom itself. (a) What is its frequency? (b) What type of electromagnetic radiation might this be? KR Inc.s main facility is located in Wellington. Suppose that Genentech would experience a direct loss of $700 million in the event of a major earthquake that disrupted its operations. The chance of such an earthquake is 2.2% per year, with a beta of -0.7.a) If the risk-free interest rate is 3.5% and the expected return of the market is 9%, what is the actuarially fair insurance premium required to cover KR Inc.s loss? (2 marks) What is BMI? What are its classifications? PLS HURRY! ANSWER FOR BRAINLY.question: Which statement best describes the equation x = 3? A. The equation can not be graphed. B. The equation represents a function, but not a linear function. C. The equation represents a linear function. D. The equation represents a line, but not a linear function. What is %6 tax added to $26?