

Heating Curve and Phase Changes
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
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 initial temperature of the ice block used in the heating curve experiment?
-10 degrees Celsius
0 degrees Celsius
-20 degrees Celsius
20 degrees Celsius
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
During the first part of the heating curve, what happens to the particles of the solid ice?
They start to melt immediately.
They vibrate more as energy is added.
They remain stationary.
They turn into gas.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the state of matter during the plateau section of a heating curve?
Only gas
Two states are present
Only liquid
Only solid
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a cooling curve, what happens to gas molecules as they encounter the condensing coil?
They remain at the same speed.
They speed up.
They turn into solid immediately.
They slow down and transfer kinetic energy.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the power supplied to the heating coil in the experiment with substance X?
150 watts
50 watts
105 watts
200 watts
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the specific heat capacity of a substance determined from a heating curve?
By measuring the time taken to reach boiling point.
By observing the color change.
By using the formula C = Q / (m * ΔT).
By measuring the slope of the plateau.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the latent heat of fusion for substance X as calculated from the heating curve?
72,000 J/kg
18,000 J/kg
54,000 J/kg
27,000 J/kg
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