2.4 ~g coal is burnt in a bomb calorimeter in excess of oxygen at 298 ~K and 1 ~atm pressure. The temperature of the calorimeter rises from 298 ~K to 300 ~K. The enthalpy change during the combustion of coal is -x ~kJ ~mol⁻¹. The value of x is _ _ _ _ _ _. (Nearest Integer) (Given: Heat capacity of bomb calorimeter 20.0 ~kJ ~K⁻¹. Assume coal to be pure carbon)

Chemical Thermodynamics: JEE Main 2022 Chemistry question

JEE Main 2022 · 26 Jul, Morning shift · Q21

JEE Main 202226 Jul, Morning shiftChemistryHardChemical Thermodynamics84× since 2002

2.4 \mathrm{~g}

coal is burnt in a bomb calorimeter in excess of oxygen at

298 \mathrm{~K}

and

1 \mathrm{~atm}

pressure. The temperature of the calorimeter rises from

298 \mathrm{~K}

300 \mathrm{~K}

. The enthalpy change during the combustion of coal is

-x \mathrm{~kJ} \mathrm{~mol}^{-1}

. The value of

x

is ___________. (Nearest Integer) (Given : Heat capacity of bomb calorimeter

20.0 \mathrm{~kJ} \mathrm{~K}^{-1}

. Assume coal to be pure carbon)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Chemical Thermodynamics Question with Answer (26 Jul Morning shift, Q21) | JEE Arc