What is the primary equation used to calculate the heat required to change the temperature of a substance?

Heat Transfer and Temperature Change

Interactive Video
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Physics
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9th - 10th Grade
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Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
P = IV
Q = mcΔT
E = mc^2
F = ma
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When considering a temperature change from 25°C to 80°C, what phase is water in?
Solid
Liquid
Gas
Plasma
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the specific heat capacity of water used in the example problem?
3.18 J/g°C
4.18 J/g°C
2.18 J/g°C
1.00 J/g°C
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the change in temperature (ΔT) in the equation Q = mcΔT?
Average of initial and final temperatures
Sum of initial and final temperatures
Final temperature minus initial temperature
Initial temperature minus final temperature
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the heat required to raise 100 grams of water from 25°C to 80°C?
229.9 J
2,299 J
22.99 J
22,990 J
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of the video, what does 'plug and chug' refer to?
Heating a substance to observe phase changes
Mixing substances to observe reactions
Substituting known values into an equation
Using a calculator to solve equations
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the problem asked for the heat in kilojoules, what would be the answer?
229.9 kJ
22.99 kJ
2.299 kJ
0.2299 kJ
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