0.3 ~g of ethane undergoes combustion at 27^(°) C in a bomb calorimeter. The temperature of calorimeter system (including the water) is found to rise by 0.5^(°) C. The heat evolved during combustion of ethane at constant pressure is _ _ _ _ _ _ kJ ~mol ⁻¹. (Nearest integer) [Given: The heat capacity of the calorimeter system is 20 ~kJ ~K⁻¹, R=8.3 ~JK⁻¹ ~mol⁻¹. Assume ideal gas behaviour. Atomic mass of C and H are 12 and 1 ~g ~mol⁻¹ respectively]

Chemical Thermodynamics: JEE Main 2023 Chemistry question

JEE Main 2023 · 1 Feb, Evening shift · Q19

JEE Main 20231 Feb, Evening shiftChemistryHardChemical Thermodynamics84× since 2002

0.3 \mathrm{~g}

of ethane undergoes combustion at

27^{\circ} \mathrm{C}

in a bomb calorimeter. The temperature of calorimeter system (including the water) is found to rise by

0.5^{\circ} \mathrm{C}

. The heat evolved during combustion of ethane at constant pressure is ____________

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

. (Nearest integer) [Given : The heat capacity of the calorimeter system is

20 \mathrm{~kJ} \mathrm{~K}^{-1}, \mathrm{R}=8.3 ~\mathrm{JK}^{-1} \mathrm{~mol}^{-1}

. Assume ideal gas behaviour. Atomic mass of

\mathrm{C}

and

\mathrm{H}

are 12 and

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

respectively]

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2023 Chemical Thermodynamics Question with Answer (1 Feb Evening shift, Q19) | JEE Arc