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In an experiment, a 0.5021 g sample of heptadecanoic acid (C,H0,) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.246x103 g of water. During the combustion the temperature increases from 21.91 to 25.07 °C. The heat capacity of water is 4.184 Jgl°C1. The heat capacity of the calorimeter was determined in a previous experiment to be 822.9 J/°C. annic acid hased on these data.

In an experiment, a 0.5021 g sample of heptadecanoic acid (C,H0,) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.246x103 g of water. During the combustion the temperature increases from 21.91 to 25.07 °C. The heat capacity of water is 4.184 Jgl°C1. The heat capacity of the calorimeter was determined in a previous experiment to be 822.9 J/°C. annic acid hased on these data.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A east.cengagenow.com/ilrn/takeAssignment/takeCXPCompliantActivity.do?locator=Dassignment-take References Use the References to access Important values If needed for this question. A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. In an experiment, a 0.5021 g sample of heptadecanoic acid (C,,H,0,) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.246x10 g of water. During the combustion the temperature increases from 21.91 to 25.07 °C. The heat capacity of water is 4.184 Jg1°C1. tin The heat capacity of the calorimeter was determined in a previous experiment to be 822.9 J/°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of heptadecanoic acid based on these data. Cmbe te car C,,H3402(s) + (49/2) O2(g) → 17 H2O(1) + 17 CO2(g) + Energy kJ/mol Molar Heat of Combustion = Save and Exit Cengage Learning | Cengage Technical Support C8PWGO MacBook Pro
Transcribed Image Text:A east.cengagenow.com/ilrn/takeAssignment/takeCXPCompliantActivity.do?locator=Dassignment-take References Use the References to access Important values If needed for this question. A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat of combustion of fuels and the energy content of foods. In an experiment, a 0.5021 g sample of heptadecanoic acid (C,,H,0,) is burned completely in a bomb calorimeter. The calorimeter is surrounded by 1.246x10 g of water. During the combustion the temperature increases from 21.91 to 25.07 °C. The heat capacity of water is 4.184 Jg1°C1. tin The heat capacity of the calorimeter was determined in a previous experiment to be 822.9 J/°C. Assuming that no energy is lost to the surroundings, calculate the molar heat of combustion of heptadecanoic acid based on these data. Cmbe te car C,,H3402(s) + (49/2) O2(g) → 17 H2O(1) + 17 CO2(g) + Energy kJ/mol Molar Heat of Combustion = Save and Exit Cengage Learning | Cengage Technical Support C8PWGO MacBook Pro
Expert Solution
Step 1

Bomb calorimeter: It is a devices which is used for finding Heat content of reaction at fixed volume with the help of heat capacity of substance. 

From the data:

Mass of sample of heptadecanoic acid: 0.5021g

Mass of water taken for experiment: 1.246×103g

Change in temperature during experiment: 25.07-21.91= 3.16g

Heat capacity of water: 4.184 Jg-1C-1

Heat capacity of Sample: 822.9 J/C

 

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