TMA2 CHM301: PHYSICAL CHEMISTRY

1. The maximum useful work that can be obtained from the system at constant temperature and pressure can be symbolised as___
2. #NAME?
3. du
4. du
5. ds

The answer is A. #NAME

2. For an isolated system?
3. dq=0
4. dq>0
5. dq=-ve
6. none of the above

The answer is A. dq=0

3. A state function depends on the history of the system or how that state has been achieved?
4. Initial stage of the system
5. Final stage of the system
6. Initial and final stage of the system
7. Intermediate state of the system

The answer is C. Initial and final stage of the system

4. The maximum amount of work that can be obtained from the system () during the given change is known as_____?
5. Gibbis free energy
6. Helm holt free energy
7. Entropy of reaction
8. Internal energy

The answer is B. Helm Holt free energy

5. The variation of drH and drU with temperature is described by_____?
6. Gibber equation
7. Helm holt equation
8. Kirchapps equation
9. Boyles equation

The answer is C. Kirchapps equation

6. It is essential to bring the gas temperature below its inversion temperature in order to _____
7. Vaporize the gas
8. Purify the gas
9. Liquefy the gas
10. Distil the gas

The answer is C. Liquefy the gas

7. For an ideal gas, cp is always less than cv
8. True
9. False
10. Unsure
11. None of the option

The answer is A. True

8. The phenomenon of rise in temperature when a gas is made to expand adiabatically from a high pressure to a low pressure region is known as____?
9. Temperature rise
10. Endothermic process
11. Joule-Grahams effect
12. Joule-Thomson effect

The answer is D. Joule-Thomson effect

9. The following are example state function and extensive variable except____
10. U
11. H
12. S
13. E

The answer is D. E

10. The dependence of Gibb free energy on temperature is expressed by
11. Maxwell relation
12. Gibbs-Hemholtz equation
13. Unsure
14. None of the option

The answer is B. Gibbs-Hemholtz equation