When 228 G of Octane (Molar Mass = 114 $\degree$ CThe Heat Capacity of the Calorimeter Is 5

question 80

Multiple Choice

When 2.28 g of octane (molar mass = 114.23 g/mol) reacts with excess oxygen in a constant volume calorimeter, the temperature of the calorimeter increases by 20.0 $\degree$ C.The heat capacity of the calorimeter is 5.09 kJ/ $\degree$ C.Determine the energy flow, q_rxn, per mole of octane.

• A)(-2 kJ)
• B)(+5090 kJ)
• C)(-102 kJ)
• D)(-5090 kJ)
• E)(-2.03 kJ)

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