Thermodynamics Test

Result

Thermodynamics Test - 10

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Weekly Quiz Competition

Question 1
4 / -1

The heat of combustion of carbon to CO₂ is –393.5 kJ/mol. The heat released upon formation of 35.2 g of CO₂ from carbon and oxygen gas is

A
–315 kJ

B
+315kJ

C
–630 kJ

D
–3.15 kJ
Question 2
4 / -1

A
32

B
38

C
317

D
477
Question 3
4 / -1

A gas undergoes a thermodynamical process but the volume of the gas does not change. What is the nature of this process ?

A
Isothermal

B
Adiabatic

C
Isobaric

D
Isochoric
Question 4
4 / -1

An adiabatic process occurs in

A
open system

B
closed system

C
isolated system

D
in all the given system
Question 5
4 / -1

An ideal gas expands in volume from 1 × 10^{- 3} m³ to 1 × 10^-2 m³ at 300 K against a constant pressure of 1 × 10⁵ Nm^{- 2} . The work done is

A
- 900 J

B
- 900 kJ

C
270 kJ

D
900 kJ
Question 6
4 / -1

Which one of the following is not a state function ?

A
Enthalpy

B
Entropy

C
Work

D
Free energy
Question 7
4 / -1

Which of the following is correct option for free expansion of an ideal gas under adiabatic condition ?

A

B

C

D

Solution
Question 8
4 / -1

Which of the following is a path function?

A
Internal energy

B
Enthalpy

C
Work

D
Entropy
Question 9
4 / -1

Which of the following is an intensive property ?

A
Temperature

B
Viscosity

C
Surface tension

D
All of these
Question 10
4 / -1

Three moles of an ideal gas expanded spontaneously into vacuum. The work done will be :

A
Zero

B
Infinite

C
3 Joules

D
9 Joules