When ' {\X} ' g of graphite is completely burnt in a bomb calorimeter in excess of {\O}_2 at 298 {\K} and 1 {\atm} pressure as given in the equation {\C} \text{ (graphite })+ {\O}_2( {\g}) \to {\CO}_2( {\g}) \text{. } The temperature of calorimeter raised from 298 {\K} to 302 {\K}. If the heat capacity of the calorimeter and molar enthalpy change for the reaction at 1 atm and 298 {\K} are 20.7 {\kJ} {\K}^{-1} and -248.4 {\kJ} {\mol}^{-1}, ' {\X} ' in {\g} is

AP EAPCET 16th May 2023 Shift 1 Solved Paper

Section: Chemistry

Question : 131 of 160

Marks: +1, -0

When ' X ' g of graphite is completely burnt in a bomb calorimeter in excess of O2 at 298K and 1‌atm pressure as given in the equation
C‌ (graphite ‌)+O2(g)→CO2(g)‌. ‌
The temperature of calorimeter raised from 298K to 302K. If the heat capacity of the calorimeter and molar enthalpy change for the reaction at 1 atm and 298K are 20.7‌kJ‌K−1 and −248.4‌kJ‌mol−1, ' X ' in g is

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