Question

1. Gases are generally expressed interms of [ ]

a) molecules b) ions c) moles d) atom

2. The amount of heat required to raise the temperature of one mole of gas through 1 unit is

a) Molar specific heat b) Specific heat

c) Molecular specific heat d) Specific heat

3. The expression for molar specific heat is [ ]

a) C Q nt  . b)

n

c

Qt

 c)

Qn

c

t

 d)

Q

c

nt



4. Dimensional formula molar specific heat [ ]

a) [M L T–2 mol–1 K–1] b) [M L2

T–2 mol–1 K–1]

c) [M2

L2

T–2 mol–1 K–1] d) [ML2

T–2 mol–1 K–2]

5. Value of universal gas constant [ ]

a) 8.314 J mol–1 K–1 b) 0.0821 J mol–1 K–1 c) 2 J mol–1 K–1 d) 8.423 J mol–1 K–1

6. The difference between molar specific heats at constant pressure and constant volume is equal to

[ ]

a) C b) R c)  d) Q

7.  for gas is always [ ]

a) negative b) zero c) between 0 and 1 d) more than 1

8. For ideal gas [ ]

a) CP

= CV

b) CP

> Cv

c) CP

< Cv

d) None of these

9. SI unit of for molar specific heat [ ]

a) J Kg–1 K–1 b) J mol–1 K–1 c) Cal mol–1 K–1 d) J mol–1

10. Molar specific heat and change in temperature are related as [ ]

a) Directly proportional b) Inversely proportional

c) Equal d)​

Answer 1

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