A 5.000 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb calorimeter containing 4.000 x 103 g of water. The temperature of the water increased from 24.00 °C to 29.76°C. The heat capacity of the calorimeter was 2657 JiC. The specific heat of water is 4.184 J/g°C. How much heat, in kJ, was produced by the combustion of the methanol sample? (Requires at least 4 steps of calculations.) -489 kJ -112 kJ -716 kJ -314 kJ

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Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.113QP: A 10.00-g sample of acetic acid, HC2H3O2, was burned in a bomb calorimeter in an excess of oxygen....
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A 5.000 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb calorimeter
containing 4.000 x 103 g of water. The temperature of the water increased from 24.00 °C to 29.76°C. The heat capacity of
the calorimeter was 2657 JiC. The specific heat of water is 4.184 J/g°C. How much heat, in kJ, was produced by the
combustion of the methanol sample? (Requires at least 4 steps of calculations.)
-489 kJ
-112 kJ
-716 kJ
-314 kJ
Transcribed Image Text:A 5.000 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb calorimeter containing 4.000 x 103 g of water. The temperature of the water increased from 24.00 °C to 29.76°C. The heat capacity of the calorimeter was 2657 JiC. The specific heat of water is 4.184 J/g°C. How much heat, in kJ, was produced by the combustion of the methanol sample? (Requires at least 4 steps of calculations.) -489 kJ -112 kJ -716 kJ -314 kJ
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