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Worksheetsspecific heat capacity
Total questions: 20
Worksheet time: 18mins
Which material heats up quickest?
Aluminium
Concrete
Diamond
Glass
Water
Which material heats up slowest?
Aluminium
Concrete
Diamond
Glass
Water
Some 1kg of water and 1kg of diamond are heated to the same temperature. Which is true?
They both require the same amount of energy
The diamond needs around 8 times more energy
The water needs about 8 times more energy
The diamond heats up slower than the water
The water ends up colder
10 kg of aluminium is heated from 120C to 220C. How much energy is needed?
8 970 000 J
897 J
8970 J
89 700 J
897 000J
2kg of water and 4 kg of water are heated to the same temperature. Which is true
They both require the same amount of energy
2kg needs twice as much energy than the 4kg
4kg needs twice the energy the 2kg needs
4kg needs 4 times the energy the 2kg needs
The 2kg is hotter
What is the equation for specific heat capacity?
Q=mcΔT
Q=ΔTmc
Q=mcΔT
Q=mcΔT
Q=mΔcT
What are the units for specific heat capacity?
J kg / °C
J / kg / °C
J / °C
J / kg
kg °C / J
What is happening between D and E?
Melting
Boiling
Condensing
Freezing
Sublimation
What is happening between B and C?
Melting
Boiling
Condensing
Freezing
Sublimation
What does a steep line show?
High specific heat capacity
Low specific heat capacity
Nothing to do with specific heat capacity
What does section B show?
Melting
Boiling
Condensing
Freezing
None of these options
2 kg of glass at a temperature of 20°C is given 84 000 J. What is the final temperature?
+50°C
-50°C
-30°C
70°C
20°C
2 kg of glass is given 84 000 J. What is the change in temperature?
+50°C
-50°C
0°C
+100°C
-100°C
5 kg of water at a temperature of 60°C gives out 210 kJ of energy. What is the final temperature?
50°C
70 °C
60.01 °C
59.99 °C
60 °C
6200 J of heat is used to increase the temperature of a 1.2 kg metal block. The specific heat capacity of metal block is 450 J kg−1°C−1 . What is the rise in temperature of the metal block ?
9.6 ° C
11.5 ° C
15.0 ° C
360.0 ° C
Graphite has a specific heat capacity of 0.709 J/g⁰C. If a 20 g piece of graphite is cooled from 38⁰C to 18⁰C, how much energy was lost by the graphite?
283.6 J
183.6 J
203 J
109 J
What letter is used to represent specific heat capacity?
H
P
C
T
20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?
418 J
209 J
83 J
4.18 J
