Using the above data, the experimental molar enthalpy of combustion of sucrose is calculated to be: Select one: -6.2 MJ/mol -4.4 MJ/mol -2.1 MJ/mol -2.2 MJ/mol
Using the above data, the experimental molar enthalpy of combustion of sucrose is calculated to be: Select one: -6.2 MJ/mol -4.4 MJ/mol -2.1 MJ/mol -2.2 MJ/mol
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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Using the above data, the experimental molar enthalpy of combustion of sucrose is calculated to be:
Select one:
-6.2 MJ/mol
-4.4 MJ/mol
-2.1 MJ/mol
-2.2 MJ/mol
![A student designed the following calorimeter to determine the enthalpy of combustion of a sugar cube.
Assume that the sugar cube is composed solely of sucrose (342 g/mol) and also assume that the heat
absorbed by the calorimeter is negligible. The following data were collected.
Initial mass of sugar cube 1.25 g
Final mass of sugar cube
Volume of water
0.65 g
200 mL
Initial temperature of water 21.5 °C
Final temperature of water 30.7 °C
smaller metal
can
glass rod
coffee can
Water
sucrose
cork](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7f5b3358-3f5b-45fb-b34f-c1a3ca1f57bb%2Fd64b417a-1283-40f4-acaa-77ac155ab27a%2F449ajn_processed.png&w=3840&q=75)
Transcribed Image Text:A student designed the following calorimeter to determine the enthalpy of combustion of a sugar cube.
Assume that the sugar cube is composed solely of sucrose (342 g/mol) and also assume that the heat
absorbed by the calorimeter is negligible. The following data were collected.
Initial mass of sugar cube 1.25 g
Final mass of sugar cube
Volume of water
0.65 g
200 mL
Initial temperature of water 21.5 °C
Final temperature of water 30.7 °C
smaller metal
can
glass rod
coffee can
Water
sucrose
cork
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