The combustion of a 0.440 g sample of ethanol (C₂ H5 OH, molar mass = 46.07 g/mol) in a bomb calorimeter with a heat capacity of 5.278 kJ/ C causes the temperature to rise from 23.98 C to 26.45 C. What is D E for the reaction?
C₂ H5 OH (
) + 3 O₂(g) 2 CO₂ (g) + 3 H₂ O (
)
A) - 13.0 kJ
B) - 1.36×103 kJ
C) - 29.6 kJ
D) +13.0 kJ
E) none of these
Correct Answer:
Verified
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