On our campus, there are approximately 30.000 students who use 2.5 x 10° kJ of energy per day. Suppose all of that energy comes from the combustion of a carbon- hydrogen-oxygen compound in the presence of excess O2(g). 2.647 g sample of this gaseous carbon-hydrogen-oxygen compound that occupies a volume of 580 mL at 918,6 Torr and 24.00 °C. The products of the combustion of the given amount are 5.059 g CO2(g), 3.106 g H2O(1), and enough heat to raise the temperature of the calorimeter assembly from 24.00 to 38.33 °C. What is the molecular formula of this unknown compound and how many kilograms of this compound are needed to provide enough daily energy to all students on campus? (The heat capacity of the calorimeter is 4.915 kJ/°C.)

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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On our campus, there are approximately 30.000 students who use 2.5 x 10° kJ of
energy per day. Suppose all of that energy comes from the combustion of a carbon-
hydrogen-oxygen compound in the presence of excess O2(g). 2.647 g sample of this
gaseous carbon-hydrogen-oxygen compound that occupies a volume of 580 mL at
918,6 Torr and 24.00 °C. The products of the combustion of the given amount are
5.059 g CO2(g), 3.106 g H2O(1), and enough heat to raise the temperature of the
calorimeter assembly from 24.00 to 38.33 °C. What is the molecular formula of this
unknown compound and how many kilograms of this compound are needed to
provide enough daily energy to all students on campus? (The heat capacity of the
calorimeter is 4.915 kJ/°C.)
Transcribed Image Text:On our campus, there are approximately 30.000 students who use 2.5 x 10° kJ of energy per day. Suppose all of that energy comes from the combustion of a carbon- hydrogen-oxygen compound in the presence of excess O2(g). 2.647 g sample of this gaseous carbon-hydrogen-oxygen compound that occupies a volume of 580 mL at 918,6 Torr and 24.00 °C. The products of the combustion of the given amount are 5.059 g CO2(g), 3.106 g H2O(1), and enough heat to raise the temperature of the calorimeter assembly from 24.00 to 38.33 °C. What is the molecular formula of this unknown compound and how many kilograms of this compound are needed to provide enough daily energy to all students on campus? (The heat capacity of the calorimeter is 4.915 kJ/°C.)
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