Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 13

HARD

11th CBSE

IMPORTANT

Earn 100

Explain what is meant by Gibbs' free energy change. "The sign of the free energy is very important.' Justify the statement.

Important Questions on Thermodynamics

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 14

Briefly explain the effect of temperature on the spontaneity of an endothermic reaction.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 14

Briefly explain the effect of temperature on the spontaneity of an exothermic reaction.

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 15

Define 'standard free energy of formation'. Taking a suitable example, explain the spontaneity of a reversible reaction.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>ADDITIONAL QUESTIONS>Q 16

State and explain the 'third law of thermodynamics.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>Competition Focus>Q 1

Which one of the following sets of units represents the smallest and the largest amount of energy respectively?

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>Competition Focus>Q 2

A gas expands from a volume of

1 m^{3}

to a volume of

2 m^{3}

against an external pressure of

10^{5} N m^{- 2}

. The work done by the gas will be

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>Competition Focus>Q 3

Calculate the work done (in joules) when

0 \cdot 2 mole

of an ideal gas at

300 K

expands isothermally and reversibly from initial volume of

2 \cdot 5 litres

to the final volume of

25 litres

.

MEDIUM

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>Competition Focus>Q 4

Calculate the work done when

1 mole

of an ideal gas is compressed reversibly from

1 \cdot 0 bar

to

4.00 bar

at constant temperature of

300 K

.