Question
The combustion of coal with oxygen forms CO2 and releases 94. kcal of energy.
C(s) + 02(g) -+ CO2 (g) kcal/mol AH =- 94.
How much energy is released when 6.7 mol of O2 reacts? Be sure your answer has the correct number of significant figures.
kcal of energy released
C(s) + 02(g) -+ CO2 (g) kcal/mol AH =- 94.
How much energy is released when 6.7 mol of O2 reacts? Be sure your answer has the correct number of significant figures.
kcal of energy released
Answers
GPT 3.5
To find the amount of energy released when 6.7 mol of O2 reacts, we need to use the given enthalpy change value:
1 mol of O2 produces -94 kcal of energy
6.7 mol of O2 will produce: -94 kcal/mol x 6.7 mol = -630.8 kcal
Therefore, when 6.7 mol of O2 reacts, 630.8 kcal of energy is released. So, the energy released is -630.8 kcal. The answer is rounded to 4 significant figures.
1 mol of O2 produces -94 kcal of energy
6.7 mol of O2 will produce: -94 kcal/mol x 6.7 mol = -630.8 kcal
Therefore, when 6.7 mol of O2 reacts, 630.8 kcal of energy is released. So, the energy released is -630.8 kcal. The answer is rounded to 4 significant figures.