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WorksheetsHeating/Cooling Curves
Total questions: 16
Worksheet time: 31mins
In which region(s) does temperature increase?
Region C only
Regions B and D
Regions A, C, and E
Regions A and B
Between which points is the temperature of the substance remaining constant?
A-B only
A-B, C-D, and E-F
B-C only
B-C and D-E
In which region(s) of the heating curve would water be a liquid and a gas at the same time?
A
B
C
D
E
Which letter indicates where water is in both the solid and liquid phase at the same time?
A
B
C
D
E
How many states of matter are present during line segment BC?
One
Two
Three
Depends on the temperature
In a heating curve, diagonal lines indicate temperature is __________, while flat lines indicate temperature is __________.
Constant, changing
Changing, constant
At which letter is the substance changing its state of matter?
A only
A, C, and E
D and E
B and D
Given the heating curve for water, during which line segment could I find water in both the solid and liquid phase at the same time?
AB
BC
CD
DE
EF
In which region(s) of the heating curve would water be a liquid and a gas at the same time?
A
B
C
D
E
The melting point of the sample is
-60 ºC
20 ºC
60 ºC
100 ºC
Describe the substance at letter A.
Solid
Liquid
Melting
Evaporating
NaCl was heated starting at an initial temperature of 0°C. The heating curve is shown in the picture. What is the melting point of this substance?
0°C
801°C
1000°C
1465°C
How many states of matter are present during line segment BC?
One
Two
Three
Depends on the temperature
Describe the substance at letters D.
Gas
Liquid
Melting
Evaporating
Anika, Samuel, and Henry were conducting an experiment in their chemistry class. They recorded the heating curve of a substance as shown in the graph. Based on their observations, what is the boiling point of the substance?
100 C
60 C
80 C
20 C
