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WorksheetsCALORIMETRY
Total questions: 14
Worksheet time: 4hrs 30mins
Name
Class
Date
1.
For the formula:
Q= m c ∆T
The units for specific heat are:
Q= m c ∆T
The units for specific heat are:
a)
g /J C
b)
°C/g J
c)
kJ/g
d)
J/g°C
2.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
3.
Thermal energy ALWAYS moves from _____ to _____.
a)
solid to liquid
b)
ice to water
c)
hot to cold
d)
solid to gas
4.
LT3: If two objects have different temperatures, heat will flow from the warmer object to the cooler one UNTIL ____________
a)
one reaches a temperature of zero
b)
they both have an equal temperature
c)
one runs out of energy
5.
The movement of thermal energy from an object at a higher temperature to an object at a lower temperature is called ____________.
a)
thermal
b)
expansion
c)
temperature
d)
heat
6.
The total energy of all the particles in a substance is called:
a)
temperature
b)
thermal energy
c)
degrees
d)
mass
7.
If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C?
a)
-80,371.2
b)
44,938.6
c)
80,371.2
d)
112,575.9
8.
For a skillet, used for cooking, do you want a high or low specific heat
a)
High, so that it will need more energy to heat up
b)
Low, so that it will change temperature quickly
9.
How many Joules of energy are required to change 10 gram of ice at -2 οC to water at 20 οC?
a)
440 J
b)
880 J
c)
3,840 J
d)
66,000 J
10.
How many Joules of energy are required to change 10 gram of water from 20 οC to 90 οC?
a)
1400 J
b)
2800 J
c)
210,000 J
d)
1,400,000 J
11.
How many Joules of energy are required to make 100 grams of ice at 0 οC completely melt?
a)
200 J
b)
400 J
c)
30,000 J
d)
2,000,000 J
12.
The symbol for specific heat is .......
a)
c
b)
Q
c)
m
d)
t
13.
The unit Joules is for ___________
a)
heat energy
b)
temperature
c)
specific heat
14.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
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