
Thermochemistry Concepts and Calculations

Interactive Video
•
Chemistry, Science, Physics
•
10th - 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 focus of thermochemistry?
The study of energy changes in chemical reactions
The study of chemical reactions
The study of physical changes in matter
The study of atomic structures
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In thermochemistry, what is considered the 'system'?
The surroundings of the experiment
The specific part of the universe we are studying
The laboratory environment
The entire universe
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sign convention for heat in an exothermic process?
Positive
Negative
Zero
Undefined
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a state function?
Path length
Enthalpy
Work
Heat
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is internal energy represented in thermochemistry?
Q
H
U
E
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does enthalpy represent at constant pressure?
Heat
Internal energy
Total energy
Work
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the enthalpy of formation for elements in their most stable form?
Zero
Variable
Negative
Positive
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