Chemical Thermodynamics-State Functions (NEET Chemistry): Questions 8 - 11 of 11

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1145 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 8

» Chemical Thermodynamics » State Functions » Entropy

MCQ▾

Question

The enthalpy change, for the transition of liquid water to steam, ∆ H vapour is 40.8 KJ/mol at 373K. Calculate the entropy change for process?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

109.38 J/K m o l

Question number: 9

» Chemical Thermodynamics » State Functions » Entropy

MCQ▾

Question

Calculate the enthalpy of vaporization per mole of ethanol. Given ∆ S = 109.8J/Kmol and boiling point of ethanol is 78.5°C. ?

Choices

Choice (4) Response

a.

-38.59 k J/mol

b.

3.859 k J/mol

c.

38.59 k J/mol

d.

- 3.859 k J/mol

Question number: 10

» Chemical Thermodynamics » State Functions » Internal Energy

MCQ▾

Question

Which one of the following statement is not correct regarding the internal energy?

Choices

Choice (4) Response

a.

Internal energy is a state property

b.

The change in internal energy depends on the path by which the final stage is reached.

c.

Internal energy is an extensive property.

d.

There is no change in internal energy in a cyclic process.

Question number: 11

» Chemical Thermodynamics » State Functions

Appeared in Year: 2016

MCQ▾

Question

For a sample of perfect gas when its pressure is changed isothermally from Equation to Equation , the entropy change is given by,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In