D = 22.1 g/cm3, M = 523.1 g, V = ? mL

Answers

Answer 1

Answer:

The volume is 22.66 mL

Explanation:

D = 22.1 g/cm³, M = 523.1 g, V = ? mL

For Volume

Density = Mass ÷ Volume

Volume = Mass ÷ Density

V = M ÷ D

V = 523.1 g ÷ 22.1 g/cm³

V = 23.66 cm³

Now, 1 cm³ = 1 mL

So,

V = 22.66 mL

Thus, The volume is 22.66 mL

-TheUnknownScientist

Answer 2
Answer The volume is 22.66 ml

Related Questions

What is the fundamental different between combustion and nuclear reaction

Answers

Answer:

Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclear.

Use the periodic table below to answer the following questions.

What group of elements are contained in the p-block?
a.
1A
c.
3A
b.
2A
d.
3B

Answers

Answer:

answer is D

Explanation:

3B

How is dry ice different from ordinary ice?

Answers

Answer: Well "ordinary ice" is made from water (as we all know) and dried ice is made from carbon dioxide gas

Explanation:

•Hope this helps•


What is TRUE about the majority of explosives that forensic scientists deal with in investigations?
А.
They are made of dynamite and TNT.
B.
They are Molotov cocktails.
C. They use high explosives.
D.
They are homemade bombs.

Answers

Answer:D

Explanation:

The majority of explosives that forensic scientists deal with in investigations are homemade bombs. Therefore, option D is correct.

What are forensic scientist ?

In general, forensic scientists do the following kinds of work: They examine tangible materials gathered from crime sites. They offer forensic expert testimony both before and during court proceedings. Blood, hair, and other trace evidence are gathered by investigators and sent to crime labs for analysis.

Criminalists or crime scene investigators are generalist forensic science technicians that gather evidence at the scene of a crime and conduct scientific and technical examination in labs or offices.

A forensic scientist's key responsibilities include gathering evidence at the crime scene, documenting the findings in reports, processing the evidence at the lab, and giving testimony in court.

Thus, option D is correct.

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Which state of matter has the highest energy? *

Answers

Answer:

The correct answer is gas.

Explanation:

Gas has the highest energy in the state of matter due to how freely the molecules move. Solid matter is extremely compact, having the particles very close together and not creating a lot of movement. Without having action, there is no energy.

Hope this helps! :)

What is an ionic solid?​

Answers

Ionic solids—Made up of positive and negative ions and held together by electrostatic attractions. They're characterized by very high melting points and brittleness and are poor conductors in the solid state. An example of an ionic solid is table salt, NaCl.

Explanation:

In chemistry, an ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. The compound is neutral overall, but consists of positively charged ions called cations and negatively charged ions called anions.

What is the formal charge on the phosphorus in the PO43- polyatomic ion?

Answers

Answer:

P has a formal charge of 0

Explanation:

Essentially P is in the middle of that ion, and its valence electrons are being used with the 4 Os. Hope that makes sense or helps at least. There's good videos that talk about how this works but I can't link them in brainly

If the solubility of sodium chloride is 36 grams per 100 grams of water, which of the following solutions would be considered unsaturated? If the solubility of sodium chloride is 36 grams per 100 grams of water, which of the following solutions would be considered unsaturated? 3.25 moles of NaCl dissolved in 500 ml of water 1.85 moles of NaCl dissolved in 300 ml of water 5.8 moles of NaCl dissolved in 1 L of water none of the above

Answers

Answer: If the solubility of sodium chloride is 36 grams per 100 grams of water then 5.8 moles of NaCl dissolved in 1 L of water solution would be considered unsaturated.

Explanation:

A solution which contains the maximum amount of solute is called a saturated solution. Whereas a solution in which more amount of solute is able to dissolve is called an unsaturated solution.

Now, the number of moles present in 36 g of NaCl (molar mass = 58.4 g/mol) is as follows.

[tex]No. of moles = \frac{mass}{molar mass}\\= \frac{36 g}{58.4 g/mol}\\= 0.616 mol[/tex]

This shows that solubility of sodium chloride is 36 grams per 100 grams of water means a maximum of 0.616 mol of NaCl will dissolve in 100 mL of water.

So, a solution in which number of moles of NaCl are less than 0.616 mol per 100 mL then the solution formed will be an unsaturated solution.

As 5.8 moles of NaCl dissolved in 1 L (or 1000 mL) of water. So, moles present in 100 mL are calculated as follows.

[tex]Moles = \frac{5.8 mol}{1000 mL} \times 100 mL\\= 0.58 mol[/tex]

Moles present in 100 mL of water for 3.25 moles of NaCl dissolved in 500 ml in water are as follows.

[tex]Moles = \frac{3.25 mol}{500 mL} \times 100 mL\\0.65 mol[/tex]

Moles present in 100 mL of water for 1.85 moles of NaCl dissolved in 300 ml of water are as follows.

[tex]Moles = \frac{1.85 mol}{300 mL} \times 100 mL\\= 0.616 mol[/tex]

Thus, we can conclude that if the solubility of sodium chloride is 36 grams per 100 grams of water then 5.8 moles of NaCl dissolved in 1 L of water solution would be considered unsaturated.

R-CH2-COOH in presence of X2 / red P and H2O gives ________
Name the reaction​

Answers

[tex]\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}[/tex ]

1. Find the molarity of 25g of sodium hydroxide dissolved in 1L of water. Identify the solute and solvent in this solution.

please help me

Answers

Answer:

.6250 M

The Sodium Hydroxide is the solute, and the water is the solvent.

Explanation:

mol/volume= Molarity

(25/22.99+16+1.008)/1=.6250 M.

Addition of sugar to water will result in increase of boiling point
TRUE OR FALSE

Answers

Answer:

true

Explanation:

true. i think. :) sorry if i’m wrong, i’m not the brightest.

Does pb(no3)2 + Na3(PO4) = Pb3(PO4)2 + Na(NO3) have a precipitate?

Answers

Answer:

Yes, Pb3(PO4)2.

Explanation:

Hello there!

In this case, according to the given balanced chemical reaction, it is possible to use the attached solubility series, it is possible to see that NaNO3 is soluble for the Na^+ and NO3^- ions intercept but insoluble for the Pb^3+ and PO4^2- when intercepting these two. In such a way, we infer that such reaction forms a precipitate of Pb3(PO4)2, lead (II) phosphate.

Regards!

An alkaline earth hydroxide, M(OH)2, was taken to lab for analysis. The unknown powder was poured into a flask and swirled in room temperature DI water until a saturated solution formed. This solution was then slowly filtered to remove the undissolved solid hydroxide. 28.5 mL of this saturated solution was titrated with 0.173 M HCl (aq). Endpoint required 25.10 mL of the HCl (aq) solution. Calculate the Ksp for this alkaline earth hydroxide.

Answers

Answer:

1.77 * 10^-3

Explanation:

From the titration formula;

Let

CA = concentration of acid

CB = concentration of base

VA = volume of acid

VB = volume of base

NA = number of moles of acid

NB = number of moles of base

The equation of the reaction is;

M(OH)2(aq) + 2HCl(aq) -------> MCl2(aq) + 2H2O(l)

So;

CAVA/CBVB= NA/NB

CAVANB = CBVBNA

CB= CAVANB/VBNA

CB= 0.173 * 25.10 * 1/28.5 * 2

CB= 4.3423/57

CB= 0.0762 M

This implies that the solubility of M(OH)2 = 0.0762 M

M(OH)2(s) ----> M^+(aq) + 2OH^-(aq)

So

Ksp = x * (2x)^2

Ksp = 4x^3

x = 0.0762

Ksp= 4(0.0762)^3

Ksp = 1.77 * 10^-3

witch are the two factors decrease as the kinetic energy of the particles in an object decreases

Answers

Answer:

mass and speed are the two factor

Lithium arsenate (Li3AsO4) and iron nitrate (Fe(NO3)3) are dissolved in water. What precipitate would you expect to form? Write the name and formula. (use the solubility table to help)

Answers

Salts with nitrates as the anion are generally soluble in water. The question isn’t quite clear: Are we being asked what precipitate would form if these solutions were mixed together? If that’s the case, the reaction would be as follows:

Li3AsO4(aq)+ Fe(NO3)3(aq) → 3LiNO3(aq) + FeAsO4(s).

It is odd that we’re given lithium arsenate dissolved in water to begin with as lithium arsenate should be insoluble. But assuming that it is water-soluble, we can obtain the net ionic equation for the formation of our precipitate:

Fe3+(aq) + [AsO4]3-(aq) → FeAsO4(s).

Our precipitate would be iron(iii) arsenate, FeAsO4.

The equation H2 + O2 -> H2O is unbalanced. When balanced, what is the correct coefficient for O2?

Answers

Answer:

The balanced equation would be 2H2 + O2 -> 2H2O

Explanation:

The correct balanced equation is 2H₂ + O₂  →  2H₂O, and  the correct coefficient for O₂ is 1.

How to balance a chemical equation?

Count the atoms on each side first. Next, alter one of the compounds' coefficient. Third, count the atoms once more, and then repeat steps two and three until the equation is balanced.

In the given equation, hydrogens are already balanced. To balance oxygen, multiple water with 2. Thus, equation becomes:

H₂  + O₂  →  2 H₂O

Now, oxygen is balanced, just the hydrogens got unbalanced. To balance hydrogen, multiply the hydrogen by 2 on the left side.

2 H₂ + O₂  → 2H₂O

Now the chemical equation is balanced, in which the number of oxygen and hydrogen are equal on both sides of the arrow.

Therefore, the coefficient of O₂ is 1.

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please answer asap!

What is the molarity of a KOH solution if 200 ml of the solution contains 0.6 moles KOH?

a. 0.3 M
b. 0.6 M
c. 3.0 M
d. 6.0 M

Answers

200 ml is 1/5 of a liter, so the answer is five times the number of moles present in the solution. 0.6 moles/0.2 liter = x moles/1.0 liter. Solving for x gives 0.2 x = 0.6 or x = 3.0 M

so the answer is c

which of the following is an example of a chemical change?
cutting a log 2.
dissolving sugar
baking a cake
boiling water
Answer: Baking a Cake

Answers

Wait what you answered your own question

Answer:

Baking a cake

Explanation:

Ape-x aprroved

In another experiment, the student titrated 50.0 mL of 0.100 M HC,H,O, with
0.100 M NaOH(aq). Calculate the pH of the solution at the equivalence point

Answers

Answer:

Eqv Pt pH = 8.73

Explanation:

    HOAc                   +            NaOH            =>            NaOAc              + H₂O

50ml(0.10M HOAc)  +  50ml(0.10M NaOH) => 100ml(0.05M NaOAc) + H₂O

For neutralized system, 100ml of 0.05M NaOAc remains

NaOAc => Na⁺ + OAc⁻

Na⁺ + H₂O => No Rxn

          OAc⁻  +  H₂O  => HOAc + OH⁻

C(i)   0.05M       -----        0M      0M

ΔC        -x           -----         +x        +x

C(f)    0.05-x      

       ≅ 0.05M    -----          x          x

Kb = Kw/Ka = [HOAc][OH⁻]/[OAc⁻] = 1 X 10⁻¹⁴/1.7 X 10⁻⁵ = (x)(x)/(0.05M)

=> x = [OH⁻] = SqrRt(0.05 x 10⁻¹⁴/1.7 x 10⁻⁵) = 5.42 x 10⁻⁶M

=> pOH = -log[OH⁻] = -log(5.42 x 10⁻⁶) = 5.27

pH + pOH = 14 => pH = 14 - pOH = 14 - 5.27 = 8.73 Eqv Pt pH

A sample of aluminum foil contains 9.20 x 1023 atoms. What is the mass of the foil?​

Answers

A sample of aluminum foil contains 9.20 x 1023 atoms, then mass of foil will be 41.24 gram.

Aluminum foil serves as a barrier to air and oxygen, which could heat up food that is cold or frozen. In the end, it is beneficial since it keeps the food's temperature, irrespective of whether it's warm or cold.

Iron and silicon make up the majority of the remaining 2.5% of aluminum foil, which gives it strength as well as puncture resistance. Between big, water-cooled chilling rollers, the molten alloy has been rolled thin as well as solidified. Two layers of foil were run through the mill simultaneously even during final rolling.

It is known that 1 mol = 6.022 × [tex]10^{23}[/tex]

and, 1 mol of aluminum = 27 g.

It is given that, count of Al atoms = 9.20 × [tex]10^{23}[/tex]

So,  9.20 × [tex]10^{23}[/tex] particle has mass = 27 /  6.022 × [tex]10^{23}[/tex]  ×  9.20 × [tex]10^{23}[/tex]

Which will be equal to 41.24gram.

Therefore, the mass of foil will be 41.24 gram.

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Write balanced equations for all the reactions in the catabolism of glucose to two molecules of glyceraldehyde 3-phosphate (the preparatory phase of glycolysis), including the standard free-energy change for each reaction. Then write the overall or net equation for the preparatory phase of glycolysis, with the net standard free-energy change.

Answers

Solution :

The balanced chemical equation are

The Catabolism of the glucose takes place in five stages :

1. Glucose + [tex]$ATP$[/tex] → glucose - [tex]$6$[/tex] - phosphate [tex]$+ ADP$[/tex]  ,  [tex]$\Delta G^0=-16.7 \ kJ/mol$[/tex]

2. Glucose - [tex]$6$[/tex] - phosphate → Fructose - [tex]$6$[/tex] - phosphate ,  [tex]$\Delta G^0=1.7 \ kJ/mol$[/tex]

3. Glucose - [tex]$6$[/tex] - phosphate + [tex]$ATP$[/tex] → [tex]$ADP$[/tex] + Fructose - [tex]$1,6- \text{biophosphate}$[/tex],  [tex]$\Delta G^0=-14.2 \ kJ/mol$[/tex]

4. Fructose - [tex]$1,6- \text{biophosphate}$[/tex]  → dihydroxyacetonephosphate + glyceraldehyde  [tex]$-3 - $[/tex] phosphate,   [tex]$\Delta G^0=23.8 \ kJ/mol$[/tex]

5. Dihydroxyacetonephosphate → glyceraldehyde  [tex]$-3 - $[/tex] phosphate , [tex]$\Delta G^0=7.5 \ kJ/mol$[/tex]

Therefore, the overall net equations

Glucose + [tex]$2ATP \rightarrow$[/tex] glyceraldehyde  [tex]$-3 - $[/tex] phosphate + [tex]$2ADP$[/tex] [tex]$\Delta G^0=2.1 \ kJ/mol$[/tex]

A student is observing an image of an object that could be a comet, meteoroid or asteroid. Which of the following questions would BEST confirm that the object is a meteoroid?

A.
Was the object once part of an asteroid?

B.
Where is the object located?

C.
Does the object orbit the sun?

D.
Is the object made of rock?

Answers

Answer:

A. was the object once part of and asteroid

Explanation:

A is correct because at first asteroid's pieces fall off and burn up to enter the atmosphere and meteoroid's are small while asteroid's are big and rocky

D. Is the object made of rock? The question "Is the object made of rock?" would best confirm that the object is a meteoroid.

What are Meteoroids?

Meteoroids are small rocky or metallic objects that are in space and can potentially enter the Earth's atmosphere. By determining if the object is made of rock, it aligns with the characteristics of a meteoroid.

Option A, "Was the object once part of an asteroid?" does not necessarily confirm that the object is a meteoroid since meteoroids can come from various sources, not just asteroids.

Option B, "Where is the object located?" does not provide specific information about the nature of the object and can apply to comets and asteroids as well.

Option C, "Does the object orbit the sun?" is a characteristic shared by comets, asteroids, and meteoroids. It does not specifically confirm that the object is a meteoroid.

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please help me out I’ll give brain to u

Answers

Answer:

The answer is streak (A)

Because Streak (the colour of a mineral in its powdered form) is usually obtained by rubbing the mineral on a hard, white surface, such as a tile of unglazed porcelain, so as to yield a line, or streak, of fine powder.

Pls someone help me with this question pls

Answers

The answer should be c because of the answer

Why reaction between aqueous solutions of hydrochloric acid is commonly referred to as neutralization reaction?

Answers

Answer:

The chloride ion has no effect on the acidity of the solution since HCl is a strong acid. Chloride is a very weak base and will not accept a proton to a measurable extent. However, the ammonium ion, the conjugate acid of ammonia, reacts with water and increases the hydronium ion concentration:

Explanation:

The temperature of 100. g of water at 25.0C increases to 31.9C. How much energy was added to the water? The specific heat of water is 4.184J/gC.

Answers

Answer:

2890j

Explanation:

20. Identi
21. Name the process and explain what is occurring at D.

Answers

Answer:

At D: Soil erosion us the process taking place.

Soil erosion is the washing away of the Earth's or soil's top layer by eroding agents.

Did entropy increase or decrease?
1) 2 SO3 (g) → 2 SO2 (g)+O2 (g)
2) MgCO3 (s) + 2 H3O^+ (aq) → Mg^2+ (aq) + 3 H2 O(I) + CO2 (g)

Answers

Answer:

1) increase

2) increase

Explanation:

Entropy is the degree of disorderliness or randomness of a system. It is the measure of the unavailable energy in a system.

Entropy increases with increase in the number of particles. If the number of particles in a system increases from left to right, the entropy of the system increases accordingly.

In reaction 1, the number of particles from left to right increased from two to three hence the entropy was increased.

In reaction 2, the number of particles from left to right increased from three to five hence the entropy was increased.

What is the molecular geometry, or shape, of the molecule shown in the image?
A. bent
B. tetrahedral
C. trigonal planar
D. linear

Answers

Answer:

The correct answer to this is C. Trigonal Planner

Explanation:

I got it right..

Please help with this thanks

Answers

Answer:

7. Convection

8. Radiation

9. Conduction

Explanation:

Convection is when a fluid, such as air or a liquid, is heated and then travels away from the source, it carries the thermal energy along.

Radiation is the energy that is emitted by matter in the form of photons or electromagnetic waves. So, it is coming off the fire which makes it radiation.

Conduction is the process by which heat or electricity is directly transmitted through a substance when there is a difference of temperature or of electrical potential between adjoining regions, without movement of the material. Because the picture shows different temperatures, it leds to the conclusion that 9 is conduction.

I hope this helps!!

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