List all the possible types of bonding for oxygen

Using a method known as water displacement, gases created during laboratory experiments are frequently collected. To obtain the accurate value of the gas's pressure .

The vapor pressure caused by water in a sample can be compensated for. The gas is not pure since it is combined with water vapor from evaporating water because it is gathered above water. By deducting the contribution of the water vapor, one may apply Dalton's law to determine how much of the desired gas is present: P total equals Pg plus PH 2O. The required gas's pressure is P g. Pg = P Total + P H 2 O List the known quantities and make a plan for the issue. pressure in the atmosphere. A water pan is filled with a bottle that has been turned upside down and filled with water. Rubber tubing that is attached to the reaction flask and supplied underneath the water bottle.

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Frida wants to find the volume of a stone by measuring the change in water volume before and after the stone is added.  the volume of the stone is 26 cm³.

Frida wants to find the volume of a stone by measuring the change in water volume before and after the stone is added. She fills a measuring cup with 473 mL of water and drops the stone in, causing the water level to rise to 499 mL. Using the conversion factor that 1 mL = 1 cm³, the initial volume of water is 473 cm³ and the final volume of water is 499 cm³. By applying the equation [Volume of stone] + [Initial water volume] = [Final water volume],

substituting the values

⇒ xcm3 +473cm3 = 499cm3

xcm3 =499cm3 −473cm3

xcm3 =26cm cube

the volume of the stone can be determined to be 26 cm³.

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Based on the pressure information in the data table, the pressure of light and heavy particle related to the pressure of the mixed particle having same pressure and same volume.

The lighter H₂ molecules will hit the walls more frequently and with less force because they move faster and collide with them more frequently. Because both light and heavy molecules hit the walls with roughly the same average kinetic energy at the same T, their pressure and consequent volume will be equal.

As the temperature increases, the particles gain energy and accelerate their motion. The movement of heavier particles is slower than that of lighter ones at the same temperature. Both the environment and the particles' mass affect their actual average speed.

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Complete question is" Based on the pressure information in the data table, how are the pressure of light and heavy particle related to the pressure of the mixed particle?".

Answer:

a. 2H2 + O2--> 2H2O

b. 2ZnS +3O2-->2ZnO +2SO2

Explanation:

a.

note:

(when you put coefficients before the elements or the compounds you should multiply it by each element and the number that's on its right...

so if it's 2H2O

that is 2xH2 which is 4 hydrogen atoms

and 2 x O which is 2 oxygen atoms )

......

on the left side of the equation

there are two atoms of oxygen

but on the right side there's only one atom

so in order to balance them you have to put 2 as a coefficient for H2O

H2+O2 ->2H2O

so now you have 2 hydrogen atoms on the left side and 4 on the right side

you put 2 as a coefficient for H2

and now

there's 4 hydrogen atoms on both sides

and 2 oxygen atoms on both sides

b.

you do the same here

ZnS + O2 -> ZnO + SO2

2 oxygen atoms ---> 3 oxygen atoms

ZnS + 2O2 -> ZnO + SO2

4 oxygen atoms ---> 3 oxygen atoms

ZnS + 2O2 -> 2ZnO + SO2

4 oxygen atoms ---> 4 oxygen atoms

but

1 Zn ---> 2Zn

2ZnS + 2O2 -> 2ZnO + SO2

2S --> 1S

2ZnS + 2O2 -> 2ZnO + 2SO2

2S--> 2S

but

4O---> 6O

2ZnS + 3O2 -> 2ZnO + 2SO2

To solve this we must be knowing each and every concept related to isomer. Therefore, two  geometric isomers are possible for the complex [CrF[tex]_3[/tex]Br[tex]_3[/tex]]₃⁻.

An isomer is a chemical substance that has the same number and kinds of atoms like another chemical species that differs from it in terms of attributes due to the way the atoms are organized.

Stereoisomerism includes geometric isomerism. It is sometimes referred to as E-Z isomerism or cis-trans isomerism. Geometric isomerism is caused by cyclic compounds' constrained rotation around carbon-carbon double or single bonds.  The complex [CrF[tex]_3[/tex]Br[tex]_3[/tex]]₃⁻ has two  geometric isomers, one is facial and other is meridional.

Therefore, two  geometric isomers are possible for the complex [CrF[tex]_3[/tex]Br[tex]_3[/tex]]₃⁻.

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A solute is a species that dissolves within a liquid solvent to form a solution—a single, uniform mixture. The total volume of the solution can be expressed in liters.

The total amount of solute contained within can be expressed as a number of moles. The solute concentration in molarity is calculated by combining these two values. The molarity is expressed in "mol/L" according to the required calculation, though it is frequently written in "M" units.

The amount of a substance in a certain volume of solution is known as its molarity (M). Molarity is the ratio of a solute's moles to liters of solution. The molar concentration of a solution is another name for molarity.

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Answer:

D. it is an oxidizing agent

Explanation:

(C) moved faster and spread farther apart

An increase in temperature indicates the molecules in the liquid move faster and spread farther apart. The mercury thermometer was named after physicist Daniel Gabriel Fahrenheit in Amsterdam. Mercury thermometers are useful in many ways such as measuring body, liquid, and vapor temperature. The movement of the liquid in a thermometer shows changes in temperature. With an increase in temperature shows the molecules in the liquid are moving faster and the temperature is rising in the thermometer. The mercury expands to indicate a higher temperature up the tube which is marked in order to recognize a measurement of temperature. Mercury thermometers are rare today as most of them are toxic nowadays. A Mercury thermometer consists of a bulb containing mercury attached to a glass tube; the volume of mercury in the tube is much less than the volume in the bulb.

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The water solution gets hotter when an ionic solid dissolves in it. Entropy increases and there is a decrease in enthalpy change.

The spread of the solute molecules (and the thermal energy they carry) through the larger volume of the solvent during the dissolution of a solute typically results in a rise in entropy. When a liquid or solid dissolves in a solvent, entropy typically rises. Less negative entropy change is occurring (or perhaps even at this stage, positive). The chemicals will likely become more soluble as a result. The total result is a delicate balancing act between how the solution's enthalpy changes and how its entropy changes. When a substance is divided into several pieces, entropy rises. Entropy is raised via the disintegration process.

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0.0450 moles of calcium chloride are contained in this sample

A mole of every substance weighs the same as its molecular mass and contains the same number of particles, according to Avogadro's law.

Utilizing the equation, we can determine the moles.

Number of moles=  Given Mass/ Molar Mass

Number of Moles = [tex]5.00 mg / 110.98 g/mol = 0.0450 moles[/tex]

Thus there are 0.0450 moles of [tex]Cacl2[/tex]

The mole is the volume of a substance that contains exactly as many molecules, atoms, radicals, ions, or electrons as there are in 12 grams of 12C.

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The three types of elements are metals, non-metals as well as metalloids, there are placed in a periodic table.

In a periodic table, metals are placed in s-block and d-block. While non-metals as well as metalloids are placed in p-block. Metals are generally lustrous, malleable as well ductile in nature and are usually hard in nature while non-metals lack these properties. Metalloids are the elements whose chemical as well as physical properties lies between both metals and non-metals. Examples of metals are sodium and potassium. Examples of non-metals are carbon and phosphorus while examples of metalloids are silicon and germanium.

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Answer:

D

Explanation:

there is no new substance formed

The unnamed material has a molar mass of 32 grammes per mole, and it exhales 2.278 x 10-4 molecules of an unknown gas through a minute hole in 95.70 seconds.

It takes 81.60 s for 1.738 x 10 -4 mol of argon gas to effuse under the same circumstances. The definition of molar mass is the mass in grammes of a mole of a specific chemical. The term "mole" refers to any material or compound that includes the Na number of atoms, molecules, or ions, where Na is the Avogadros number and Na = 6.023 1023. A molecule's total atomic mass expressed in grammes per mole is known as its molar mass. to figure out a molecule's molar mass

R1/R2 equals (M2/M1)1/2 2.38*10-6/2.1299*10-6 = sqrt(40/M1).

40 M1/M1 = 1.25 M2/M2 = 32 gm/mole

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The limiting reactant is O2.

To determine the limiting reactant, we need to compare the number of moles of each reactant present.

First, we convert the given masses of phosphorus and oxygen to moles:

25.0 g of P4 = 25.0 g / (123.8 g/mol) = 0.202 mol

50.0 g of O2 = 50.0 g / (32.00 g/mol) = 1.5625 mol

Next, we use the balanced equation for the reaction to determine the stoichiometry of each reactant:

P4 + 5O2 → P4O10

From the equation, we can see that for every one mole of P4, 5 moles of O2 are required.

We can then compare the number of moles of each reactant present:

0.202 mol P4 / 1 mol P4 = 0.202

1.5625 mol O2 / 5 mol O2 = 0.3125

We can see that the number of moles of O2 is less than the number of moles of P4 required by the reaction, so the limiting reactant is O2.

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NO2(OH) dissolved in water is an example of an acidic salt.

Acidic salts are formed when a strong acid and a weak base react together. They are acidic in solution because they dissociate to form H+ ions and an anion. In this case, the acidic salt is NO2(OH), which when dissolved in water, dissociates to form H+ ions and OH- ions, resulting in an acidic solution.

Ni(OH)2 dissolved only in an acidic solution is an example of a basic salt.

Basic salts are formed when a strong base and a weak acid react together. They are basic in solution because they dissociate to form hydroxide ions (OH-). In this case, the basic salt is Ni(OH)2, which when dissolved only in an acidic solution will dissociate to form Ni2+ ions and OH- ions resulting in a basic solution.

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0.002 liters of 225 M Na2S solution is required to completely react with 81.8 g Fe(C2H3O2)3

Starting from the balanced equation of the reaction and the molar mass of iron (III) acetate (Fe(C2H3O2)3, first the reacting moles of this compound are determined, then the amount of reacting moles of sodium sulfide (Na2S) is determined and finally the amount of solution that contains said amount of moles.

3Na2S + 2Fe(C2H3O2)3 → 6NaC2H3O2 + Fe2S3

This determination is made in three steps:

If 233.00 g of Fe(C2H3O2)3 is equivalent to 1 mol of Fe(C2H3O2)3

So 81. 8 g Fe(C2H3O2)3 equals x mol of Fe(C2H3O2)3

X mol of Fe(C2H3O2)3 = 81. 8 g Fe(C2H3O2)3 x 1 mol of Fe(C2H3O2)3 / 233.00 g of Fe(C2H3O2)3

X mol of Fe(C2H3O2)3 = 0.351 mol

If 2 moles of Fe(C2H3O2)3 react with 3 moles of Na2S

Then 0.351 mol of Fe(C2H3O2)3 reacts with x mol of Na2S

X mol of Na2S = 0.351 mol Fe(C2H3O2)3 x 3 mol of Na2S / 2 mol of Fe(C2H3O2)3 = 0.526 mol

If there are 225 moles of Na2S in 1 liter of solution

So there are 0.526 moles of Na2S in x liter of solution.

X liter of solution = 0.526 mol of Na2S x 1 liter of solution / 225 mol of Na2S = 0.0023 liters, that is, 2.3 ml

Therefore, 0.0023 liters of 225M Na2S solution is required.

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Li2O > K2O > Rb2S is the order of given compounds lattice energy in the increasing order

Lattice energy is a measure of the strength of the electrostatic attraction between the positively charged cations and negatively charged anions in an ionic compound. The greater the lattice energy, the stronger the electrostatic attraction and the more stable the compound.The most common method for determining lattice energy is the Born-Haber cycle. This method uses thermochemical data of the individual steps in the formation of an ionic compound to calculate the lattice energy. However, it is often impractical to use this method in a test environment, so a more practical method that is used to compare lattice energies of different compounds is the use of the Coulomb's law which relates the lattice energy to the charge product of the cations and anions and the distance between them.

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[tex]NH_{4} Br[/tex](aq ) is expected to have a Ph less than 7 as on dissociation the following constituents will separate

[tex]NH_{4} Br[/tex]    +  [tex]H_{2}O[/tex]    → [tex]NH_{4} OH[/tex](weak base)    +   [tex]HBr[/tex] (strong acid)

A weak base is a strong acid hence B is  correct

[tex]LiNO_{3}[/tex] It is a salt of a strong base and weak acid hence basic  and a PH greater than 7

[tex]MgCl_{2}[/tex]it is a salt of a strong base and strong acid hence a neutral solution of PH 7

[tex]RbCH_{2} H_{3} O_{2}[/tex] It is a salt of a strong base and weak acid hence basic  and a PH greater than 7

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The following elements can be isolated by electrolysis of the aqueous salt :  Phosphorus from K3PO4 (aq).

Electrolysis is the method used to divide water into hydrogen and oxygen. An electrolyzer is a device where this process takes place.

In chemistry and production, the electrolysis method can be used to speed up a typically non-spontaneous chemical reaction. Electrolysis is significant from a business perspective as a phase in the electrolytic cell-based separation of elements from naturally existent sources like ores.

By introducing an electric current into a substance, electrolysis alters its chemical makeup. Depending on the substance, one electron is either lost or acquired during the chemical reaction (oxidation or reduction).

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a. Acetylacetone(acacH) can form up to 4 bonds with a metal ion.

b. Dirthylenetriamine can form up to 4 bonds with a metal ion.

c. Salen can form up to 6 bonds with a metal ion.

d. Porphine can form up to 8 bonds with a metal ion.

Answer:

You have not shown the liquid which is to be shown, please show us

Answer:

it is option no B using mole concept

Answer:

The correct answer is 77.0 g.

The molar mass of H2SO4 is 98.08 g/mol. It is a combination of hydrogen with molecular weight of 1g, sulfur with 32g and oxygen with 16g and the total combination is 2x1+1x32+4x16 = 98g.

Humanity has been aware of oil of vitriol for thousands of years. The chemical name for this material is sulfuric acid, and its molecular formula is H2SO4. It is made up of sulfur, oxygen, and hydrogen molecules. Strong and hygroscopic sulfuric acid (H2SO4) has oxidizing and hygroscopic characteristics. Because it was made by roasting "green vitriol" (iron(II) sulfate) in an iron retort, sulfuric acid was known as "oil of vitriol" by medieval European alchemists. Due to its oily appearance and occurrence in vitreous or glassy substances like ferrous sulphate and alum, it is also known as the "oil of vitriol."

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Answer:

B.  Mg3N2

Explanation:

There are 20.0 grams total material (14.4g Mg and 5.6 g N).  We can convert grams into moles of each element by dividing by that element's molar mass (g/mole) to yield the number of moles of each element.  To find the empirical formula, we need to convert the moles of each to a whole number by using a fracor that provides a whole number for each element.  5 works well, and we get 0.6x5 = 3 Mg atoms and 0.4x5 = 2 N atoms.

Mass % g/mole grams moles       Factor of 5

Mg 72.00% 24.305 14.4         0.6             2.962 or 3

N 28.00% 14.007 5.6         0.4             1.999  or 2  

100.0%          20          1.0      

There are 3 Mg and 2 N atoms per molecule.  The empirical formula is Mg3N2.

The periodic chart has many different types of elements. Some elements are metals, some are nonmetals, and yet others are metalloids. Therefore, ductility is the property of metals that explains the given phenomenon.

Metals are hard, conduct electricity, are ductile, lustrous, and malleable materials. Since metals have free electrons that's why they can conduct electricity. Since atoms in metals are very closely packed in a definite crystal solid. It is not brittle that is it can not be broken down easily.

If a strong force acts on the metal towers of the suspension bridge, the towers will not break into pieces, like glass would, but will bend instead. Ductility is the property of metals that explains the given phenomenon.

Therefore, ductility is the property of metals that explains the given phenomenon.

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The element that has a number of electrons 14 is silicon.

Any material that is totally composed of the same kinds of atoms is said to be an element. For instance, the element carbon is made up entirely of carbon atoms. The number of protons in an atom is indicated by the element's atomic number. The quantity of protons and electrons inside a neutral atom must match.

An element's position on the periodic table is also indicated by its atomic number.

An element possesses 14 electrons, as stated in the question. Since this suggests that it must contain 14 protons, its atomic number must be 14.

In order to locate the element, we must first put down any potential electronic configurations for the element:

1s²2s²2p⁶3s²3p²

In the outermost shell, there are four electrons. The element therefore has 4 electrons in its valence shell. Therefore, this element's period number is 4.

Additionally, the element's group number will be equivalent to:

(Valence electrons + 10) or (4 + 10) equals the 14th group

The element is a p-block element as a result. And silicon is the element that corresponds to the 14th group and 4th period of the periodic table.

Thus, silicon, which possesses 14 electrons, is the correct answer.

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the product (s) formed by heating the following compounds in basic ethanol: EtOH and NaOEt is shown in the image.The reaction product is simpler because it is determined by the condition of the reagent and the catalyst or solvent.

there are many factors that determine the product as given. When alcoholic beverages (beer, wine, and spirits) are diluted, ethanol is present. It is used topically to prevent skin infections, in pharmaceutical preparations (such as rubbing compounds, lotions, tonics, and colognes), cosmetics, and perfumes. Ethanol, also referred to as ethyl alcohol, is a colourless, flammable liquid with a strong odour. It is the alcohol found in alcoholic beverages and employed as a solvent that is generated by fermentation. Alcohols are organic molecules made up of carbon, oxygen, and hydrogen atoms. When two carbons are present, the alcohol is referred to as ethanol (also known as ethyl alcohol).

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The percent yield for the reaction in this example is 100%, which is equal to the theoretical yield of NaBr from 2.36 mol FeBr3 of 7.08 mol NaBr.

The lesser amount, or 13.7 g NaBr, represents the potential yield. 15.45 grams of NaBr can never be produced because after 13.7 grams of NaBr are created, the reaction runs out of NaI and stops generating NaBr product. As the limiting reactant, NaI is well-known.

The final answer is expressed in percent by dividing the experimental yield by the theoretical yield and multiplying the result by 100. In general, the percent yield value is less than 100%,

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Answer: 87%.

Explanation: