
Calorimetry and Heat of Reaction
Interactive Video
•
Chemistry
•
11th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary difference between heat of reaction and heat of formation?
Heat of formation involves only gases, while heat of reaction involves liquids.
Heat of reaction is measured directly, while heat of formation is calculated.
Heat of formation is always positive, while heat of reaction is always negative.
Heat of reaction applies to any amount of substance, while heat of formation applies to one mole.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a calorimetry experiment, what do we actually measure to determine the heat of reaction?
The temperature change of the reactants.
The volume change of the solution.
The heat absorbed or released by the water.
The pressure change in the calorimeter.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to calculate the heat absorbed or released by water in a calorimeter?
q = mCΔT
q = mcΔT
q = cΔT
q = mΔT
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example, what is the total mass of the solution used for the calculation?
130 grams
120 grams
110 grams
100 grams
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the specific heat of the resulting solution assumed in the example?
It is assumed to be the same as pure water.
It is assumed to be half that of pure water.
It is assumed to be zero.
It is assumed to be twice that of pure water.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the calorimeter constant in the example?
It is used to determine the specific heat.
It is used to calculate the mass of the solution.
It is ignored as it does not exist for this problem.
It is used to adjust the final temperature.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the calculated value of ΔH in joules per mole in the example?
-45,980 J/mol
-22,990 J/mol
-46,000 J/mol
-23,000 J/mol
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