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Questions and Answers
What is the purpose of the coffee cup calorimeter?
What is the purpose of the coffee cup calorimeter?
- To measure the enthalpy change of a reaction.
- To measure the heat of combustion of a substance.
- To measure the heat transfer in a process open to the atmosphere. (correct)
- To measure the heat capacity of a substance.
What is the primary difference between constant-pressure and constant-volume calorimetry?
What is the primary difference between constant-pressure and constant-volume calorimetry?
- One measures heat transfer, while the other measures heat capacity.
- One is used for reactions at constant temperature, while the other is used for reactions at constant pressure.
- One is used for open systems, while the other is used for closed systems. (correct)
- One measures the heat of combustion, while the other measures the heat of reaction.
What is the formula for the heat transfer in a coffee cup calorimeter?
What is the formula for the heat transfer in a coffee cup calorimeter?
- QH2O = Qsolid + msolidCsolid (Tfinal-Tinitial)solid
- Qsolid = QH2O + msolidCsolid (Tfinal-Tinitial)solid (correct)
- QH2O = Qsolid - msolidCsolid (Tfinal-Tinitial)solid
- Qsolid = QH2O - msolidCsolid (Tfinal-Tinitial)solid
What is the specific heat of water in J/g°C?
What is the specific heat of water in J/g°C?
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What is the purpose of a bomb calorimeter?
What is the purpose of a bomb calorimeter?
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What is the formula for the heat of reaction in a bomb calorimeter?
What is the formula for the heat of reaction in a bomb calorimeter?
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What is the heat capacity of the calorimeter in J/°C in the example problem?
What is the heat capacity of the calorimeter in J/°C in the example problem?
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What is the temperature increase of the water in the example problem?
What is the temperature increase of the water in the example problem?
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What is the purpose of the heat of reaction?
What is the purpose of the heat of reaction?
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What is the unit of the heat of combustion in the example problem?
What is the unit of the heat of combustion in the example problem?
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