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

HARD

11th CBSE

IMPORTANT

Earn 100

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

Important Questions on Thermodynamics

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

.

HARD

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 7 - Thermodynamics>Competition Focus>Q 5

The difference in the work done when one mole of

{Al}_{4} C_{3} (s)

reacts with water in a closed vessel at

27 ° C

against atmospheric pressure and that in an open vessel under the same conditions is