Embibe Experts Solutions for Chapter: Thermodynamics, Exercise 1: CG PET 2018

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Embibe Experts Chemistry Solutions for Exercise - Embibe Experts Solutions for Chapter: Thermodynamics, Exercise 1: CG PET 2018

Attempt the practice questions on Chapter 3: Thermodynamics, Exercise 1: CG PET 2018 with hints and solutions to strengthen your understanding. EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY solutions are prepared by Experienced Embibe Experts.

Questions from Embibe Experts Solutions for Chapter: Thermodynamics, Exercise 1: CG PET 2018 with Hints & Solutions

MEDIUM
CG PET
IMPORTANT

The standard enthalpy of vaporisation Δvap H°, for water at 100°C is 40.66 kJ mol-1. The internal energy of vaporisation of water at 100°C (in kJmol-1 ) is (assume water vapour to behave like an ideal gas)

EASY
CG PET
IMPORTANT

Consider the following reaction: CaOs+CO2gCaCO3s. The reaction is spontaneous at low temperature because

EASY
CG PET
IMPORTANT

Which is the most thermodynamically stable form of carbon?

EASY
CG PET
IMPORTANT

The heat of neutralisation of hydrogen cyanide HCN is 2.9 kcal mol1. This shows that heat of dissociation of HCN is

MEDIUM
CG PET
IMPORTANT

Equal volume of 1 M HCl and 1 M H2SO4 are neutralised by dil. NaOH solution separately. If X Kcal and Y Kcal of heat are liberated respectively, then which of the following relation is correct?

EASY
CG PET
IMPORTANT

Which expression has no physical significance?

EASY
CG PET
IMPORTANT

For a chemical reaction, G is always less than zero ΔG<0 if