JEE Main & Advanced
Chemistry
Thermodynamics / रासायनिक उष्मागतिकी
Question Bank
Numerical Value Type Question - Chemical Energetic
question_answer
Calculate the heat evolved in the formation of 2.5 litre of CO at STP from its elements. Given that \[C\,\,+\,\,{{O}_{2}}\,\,\xrightarrow{{}}\,\,C{{O}_{2}}\] \[\Delta H\,\,=\,\,-94.5\,\,kcal\] \[2CO\,\,+\,\,{{O}_{2}}\,\,\xrightarrow{{}}\,\,2C{{O}_{2}}\] \[\Delta H\,\,=\,\,-136.0\,\,kcal\]