Chem 210 Module 5 Exam| 2025 Updated| Portage Learning, Questions and Answers| Guaranteed to Pass| 100% Accuracy

Chem 210 Module 5 Exam_Portage Learning



1. What will decrease the solubility of gaseous solutes

Ans: increasing temperature and decreasing the pressure

2. Colligative properties depend on...

Ans: the number of particles dissolved

3. Delta S univ < 0 at 25*C... is it spontaneous or nonspontaneous

Ans: it is nonspontaneous at room temp.

4. stronger intermolecular forces effect boiling point by...

Ans: increasing the boiling point

5. hydrogen bonding

Ans: gives rise to hydration shells in an aqueous solution of hydrofluoric acid

6. entropy

Ans: measures the amount of disorder

7. enthalpy

Ans: measures the total heat content of a system

8. equilibrium constant

Ans: -ratio of forward and reverse rate constants

-ratio of the concentrations of products and reactants

-dependent upon temperature

9. Kc>Qc what direction will the reaction go to establish equilibrium?

Ans: reaction will proceed to the right to establish equilibrium

10. What affects the rate of a reaction?

Ans: -temperature of the reactants

-concentrations of reactants

-presence of a catalyst