The team performed a bomb calorimetry experiment on a sample of the liquid. A 1.0740 g sample of jojane was put into the bomb calorimeter with a high pressure of O2 gas. Upon combustion, the temperature of the calorime was seen to rise from 24.7109 to 28.5557 °C. The heat capacity of the calorimeter was previously determined to be 10.044 kJ °C-1 and in a separate experiment the molar mass of the substance was determined to be 74.1216 mol1. Determine AcombU for the substance. O 2670.0 kJ mol1 O 2670.0 kJ mol1 O 2665.2 kJ mol-1 O 2665.2 kJ mol-1

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Constants Periodic Table
A sample of a liquid substance called jojane-
named after the narcissitic scientist
Dr. Joey Negdirf who discovered the substance-
was brought back to Earth following a five year
mission exploring the Andromeda galaxy. In their
lab on earth, Dr. Negdirf's team conducted a
number of experiments to determine the physical
properties of the substance.
Part B
The team performed a bomb calorimetry experiment on a sample of the liquid. A 1.0740 g sample of jojane was
put into the bomb calorimeter with a high pressure of O, gas. Upon combustion, the temperature of the calorimeter
was seen to rise from 24.7109 to 28.5557 °C. The heat capacity of the calorimeter was previously determined to
be 10.044 kJ °c-1 and in a separate experiment the molar mass of the substance was determined to be 74.1216 g
mol-1. Determine AcombU for the substance.
O 2670.0 kJ mol-1
O -2670.0 kJ mol-1
O -2665.2 kJ mol-1
O 2665.2 kJ mol-1
Transcribed Image Text:Constants Periodic Table A sample of a liquid substance called jojane- named after the narcissitic scientist Dr. Joey Negdirf who discovered the substance- was brought back to Earth following a five year mission exploring the Andromeda galaxy. In their lab on earth, Dr. Negdirf's team conducted a number of experiments to determine the physical properties of the substance. Part B The team performed a bomb calorimetry experiment on a sample of the liquid. A 1.0740 g sample of jojane was put into the bomb calorimeter with a high pressure of O, gas. Upon combustion, the temperature of the calorimeter was seen to rise from 24.7109 to 28.5557 °C. The heat capacity of the calorimeter was previously determined to be 10.044 kJ °c-1 and in a separate experiment the molar mass of the substance was determined to be 74.1216 g mol-1. Determine AcombU for the substance. O 2670.0 kJ mol-1 O -2670.0 kJ mol-1 O -2665.2 kJ mol-1 O 2665.2 kJ mol-1
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