A gas (Molar mass = 280 ~g ~mol⁻¹) was burnt in excess O₂ in a constant volume calorimeter and during combustion the temperature of calorimeter increased from 298.0 ~K to 298.45 K. If the heat capacity of calorimeter is 2.5 ~kJ ~K⁻¹ and enthalpy of combustion of gas is 9 ~kJ ~mol⁻¹ then amount of gas burnt is _ _ _ _ _ _ g. (Nearest Integer)

Chemical Thermodynamics: JEE Main 2022 Chemistry question

JEE Main 2022 · 27 Jul, Evening shift · Q22

JEE Main 202227 Jul, Evening shiftChemistryHardChemical Thermodynamics84× since 2002

A gas (Molar mass = 280

\mathrm{~g} \mathrm{~mol}^{-1}

) was burnt in excess

\mathrm{O}_{2}

in a constant volume calorimeter and during combustion the temperature of calorimeter increased from

298.0 \mathrm{~K}

298.45

\mathrm{K}

. If the heat capacity of calorimeter is

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

and enthalpy of combustion of gas is

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

then amount of gas burnt is _____________ g. (Nearest Integer)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2022 Chemical Thermodynamics Question with Answer (27 Jul Evening shift, Q22) | JEE Arc