
Heating Curves and Energy Changes Quiz

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to describe the change in heat energy when pressure is constant?
Entropy
Enthalpy
Energy
Temperature
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During which phase change does the temperature remain constant?
Both solid to liquid and liquid to gas
Gas to solid
Liquid to gas
Solid to liquid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the specific heat of water in joules required to raise the temperature of 1 gram by 1 degree Celsius?
2.1 J/g°C
4.184 J/g°C
1.0 J/g°C
3.5 J/g°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation is used to calculate energy change during a phase change?
Heat of phase change times number of moles
Mass times specific heat times temperature change
Pressure times volume change
Mass times velocity squared
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the energy during the melting phase of a substance?
It remains constant
It decreases potential energy
It increases kinetic energy
It is used to break attractive forces
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the heating curve involves using the specific heat of the liquid?
Boiling
Solid heating
Melting
Liquid heating
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example problem, what is the total enthalpy change for 10 grams of water from -20°C to +50°C?
4852 J
5852 J
6852 J
7852 J
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