# Thermodynamics - Definition, Equations, Laws

This is an MCQ-based quiz on the topic of Thermodynamics - Definition, Equations, Laws.

This includes What is Thermodynamics?, Distinction Between Mechanics and Thermodynamics, Thermodynamics Timeline, Different Branches of Thermodynamics, and many more.

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ΔH for the reaction N2 + 3H2 ⇋ 2NH3

ΔE – 2RT ΔE + 2RT ΔE – RT ΔH = RT

An ideal gas is expanded isothermally at 300 K from 1 litre to 10 litres. Find the ΔE for this process (R = 2 cal mol-1 K-1)

9 L atm 1381.1 cal zero 163.7 cal

For all the reactions what is the nature of the chemical dissociation?

Exothermic Reversible Endothermic Reversible and endothermic

If the work is done on an adiabatic wall, then which of the following is true?

ΔU = -W ΔU = W ΔU + W = 0 ΔU = -W

Energy transfer brought about by moving the piston of a cylinder containing the gas is known as

Work

Heat

Pressure

Temperature

An open system allows the transfer of ________

Only mass

Only energy

Both mass and energy

Neither mass nor energy

Heat cannot by itself flow from a body at lower temperature to a body at higher temperature is a statement as a conseqence of

Conservation of mass

Conservation of momentum

First law of thermodynamics

Second law of thermodynamics

Which of the following parameters dose not characterize the thermodynamic state of matter?

Work

Volume

Pressure

Temperature

Select the factor that affects the heat of reaction which is based on Kirchoff’s equation

Molecularity

Temperature

Pressure

Volume

A gas is compressed to half of its initial volume isothermally. The same gas is compressed again until the volume reduces to half through an adiabatic process. Then

Work done during isothermal compression is more

Work done is independent of the processes used for compression

Work done is more during the adiabatic process

Work done is dependent on the atomicity of the gas

Quiz/Test Summary
Title: Thermodynamics - Definition, Equations, Laws
Questions: 10
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