Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 1

EASY

Chemistry

IMPORTANT

Earn 100

When $1$ mole of a gas is heated at constant volume, the temperature is raised from $298$ to $308 K$ . If the heat supplied to the gas is $500 J$ , which statement is correct?

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Important Questions on Thermodynamics

EASY

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 2

Which one of the following is the correct relation of the First Law of thermodynamics?

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 3

An engine absorbs heat

Q_{1}

at temperature

T_{1}

and releases heat

Q_{2}

at temperature

T_{2}

. The work done by the engine is

(- Q_{1} + Q_{2}) J

.This data

EASY

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 4

The work done in

ergs

for the reversible expansion of one

mole

of an ideal gas from a volume of

10 litres

to

20 litres

at

25 ° C

is

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 5

The maximum work obtained from an isothermal reversible expansion of $1 mole$ of an ideal gas from $2.24 L to 22.4 L is$

$(R = 2 cal K^{- 1} {mol}^{- 1}, T = 27^{\circ} C)$

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 6

10

moles of an ideal gas expands isothermally and reversibly from a pressure of

10 atm

to

1 atm

, at

300 K

. What is the largest mass which can be lifted through a height of

100 meters

?

MEDIUM

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 7

Which of the following is not a correct representation for the first law of thermodynamics?

EASY

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 8

The heat content of a system is the same as

EASY

Chemistry

IMPORTANT

Chemistry Crash Course BITSAT>Chapter 6 - Thermodynamics>Exercise 1>Q 9

The enthalpy change of a reaction is independent of