When 114 G of Octane (Molar Mass = 114 G/mol) Reacts

question 33

Multiple Choice

When 1.14 g of octane (molar mass = 114 g/mol) reacts with excess oxygen in a constant volume calorimeter, the temperature of the calorimeter increases by 10.0°C. The heat capacity of the calorimeter is 6.97 kJ/°C. Determine the energy flow, q (reaction) .

• A) +69.7 kJ
• B) +6,970 kJ
• C) -69.7 kJ
• D) -6,970 kJ
• E) +6.97 kJ

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