WorksheetsSpecific Heat
Total questions: 24
Worksheet time: 2hrs 0mins
Using the chart, rank the following materials from slowest (5) to fastest (1) to warm and cool.
copper
granite
dry air
water vapor
liquid water
Water has a specific heat of 4.184 J/gºC. Wood has a specific heat of 1.760 J/gºC. What material needs more energy to raise the temperature 1ºC
Which of the following best explains why the sand at the beach is hotter than the water?
Sand has a higher specific heat than water.
Sand has a lower specific heat than water.
There is more water than sand at the beach.
There is more sand than water at the beach.
If I heat up 2 pans of water, one with 100g and the other 1000g, which heats up the fastest?
100g
1000g
Which is the correct formula to calculate heat energy required to raise the temperature of any substance?
Q=m∆Tc
Q= ½mv2
c=mQ/∆T
Match each variable of the specific heat formula to its representative term.
specific heat
heat energy
mass
ΔT
temperature difference
Match each unit to its representative term.
J/g°C
specific heat
J
heat energy
g
mass
°C
temperature difference
Match each definition to its correct term
ability to retain heat energy
specific heat
a type of energy
heat energy
weight
mass
a measurement of the change in heat energy
temperature difference
Match the correct setup of the specific heat formula to solve for the correct variable.
heat energy
Q=mΔTc
mass
m=Q/(ΔTc)
change in temperature
ΔT=Q/(mc)
specific heat
c=Q/(mΔT)
-50°
50°
A material was warmed from 40ºC to 100ºC. What is the temperature change?
140ºC
The specific heat of aluminum is 0.21 J/g°C. How much heat (Q) is released when a 10 g piece of aluminum foil is taken out of the oven and cools from 100°C to 50°C?
20 g of water is cooled from 25° C to 20° C. The specific heat of water is 4.18 J/g°C. How much heat energy (Q) moves from the water to the surroundings?
418 J
The specific heat (c) of copper is 0.39 J/g°C. How much is the temperature change (∆T) when 100 Joules of heat (Q) is added to 20 grams of Cu?
24.12 °C
Calculate the heat energy needed to raise the temperature of 250 g of aluminum 7°C. (c=0.9 J/g°C)
A pot of 2400 g of water at a temperature of 25˚C is heated on a stove until the water boils (100˚C). The specific heat of water is 4.18 J/g˚C.
Determine the heat energy needed to heat the water in the pot to boiling.
How many Joules of energy are required to heat 10 grams of water from 20 °C to 90 °C?
The temperature of a 6.0 g sample of glass changed from 20.0°C to 45.0°C when it absorbed 550 J of heat. What is the specific heat of this glass?
0.27 J/g°C
3.7 J/g°C
130 J/g°C
12 J/g°C
You have equal masses of four of the substances listed. All are at the same initial temperature. If you place them in a warmer room, which of the substance's temperature will increase most rapidly?
Iron
Aluminum
Lead
Zinc
