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Chemistry
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13 Dec 2019

Bonding type – general rule is like dissolves like:

Polar dissolves in polar

Non-polar dissolve in non-polar

Ionic solutes dissolves in polar

explain what is ionic solute , explain how to identify a polar or non polar bonding (for example KrF2 how I know if it's polar or non polar)?

Determine whether the following will dissolve in water or carbon tetrachloride

with explanation:

a. KrF2

b. MgF2

c. SO2

3. Between NH3 and PH3, which is more soluble in water? Why?

4.Between Vitamin A and C, which would more likely dissolve in oil? Why?

*could type it instead of writing on paper

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Keith Leannon
Keith LeannonLv2
17 Dec 2019

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Related questions

Results:

Result (observation)

Solute

Prediction

Water

Cyclohexane

polar or nonpolar

A. Table Salt

ionic

O

ionic

B. KMnO4 (take 1 or 2 particles)

polar

O

polar

C. Rubbing Alcohol

polar

O

polar

D. Baking Soda (NaHCO3)

polar

O

nonpolar

E. I2 (take only 1 or 2 particles)

nonpolar

O

nonpolar

F. Oil

nonpolar

O

nonpolar


A)

Conclusion Questions (Answer on your own paper)

1. Do polar solutes dissolve in polar solvents?

2. Do nonpolar solutes dissolve in nonpolar solvents?

3. Do polar solvents dissolve nonpolar liquids?

4. Which solutes were more soluble in water than turpentine?

5. Which solutes were more soluble in turpentine than water?

6. Did any solutes produce unexpected results? If so, describe these results. Can you suggest reasons for this behavior?

7. Explain the phrase, "Like dissolves like."

1)Which of the following compounds will be more soluble in pentane (C5H12)? Why?
A) pentanol (CH3CH2CH2CH2CH2OH)
B) benzene (C6H6)
C) acetic acid (CH3CO2H)
D) ethyl methyl ketone (CH3CH2COCH3)
2) The phrase "equal dissolves equal" is used to predict the formation of solutions. This implies that: Why?
A) polar solvents tend to dissolve ionic or polar solutes
B) non-polar solvents tend to dissolve ionic or polar solutes
C) non-polar solvents tend to dissolve non-polar solutes
D) Alternatives a and c are correct.
3) In which of the following steps is the ΔHmix <0? Why?
A) when the solute is separated into its constituent particles
B) when the solvent particles are separated to make room for solute molecules
C) when the particles of solute through intermolecular forces with solvent particles D) None of the above is correct.
4) When the sugar dissolves in water, when the temperature increases: Why?
A) the sugar will dissolve faster
B) not much sugar will dissolve
C) the sugar will dissolve slowly
D) the temperature will not affect the speed with which the sugar dissolves.
5) What happens when a can of soda opens? A) The solubility of CO2 increases. Why?
B) The solubility of CO2 decreases.
C) The solubility of CO2 is not affected.
D) None of the above is correct.
Organic Chemistry Help Please

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