WorksheetsHeat Capacity
Total questions: 12
Worksheet time: 14mins
Which will heat up faster?
copper
granite
iron
basalt
How much energy is needed to raise the temperature of 5.0 grams of lead from 25°C to 35°C? [specific heat (c) = 0.129 J/(g•°C)]
6.45 J/(g•°C)
6.45 J
16.1 J/(g•°C)
d.16.1 J
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
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.
What is the formula to calculate heat energy required to raise the temperature of any substance?
Q=mc∆t
Q=mH
Q= ½mv
m=QC
The heat absorbed by melting a solid is known as
heat of fusion
heat of solid
heat of liquid
heat of vaporization
The amount of heat required to change the phase of a substance depends on two factors which are (choose all that apply).
surrounding temperature
temperature change
material
the mass
What does "ΔT" stand for?
A change in time
A change in temperature in degrees C
A change in mass
Addition of temperature in degrees F
What is specific heat capacity (C)?
The amount of energy it takes for a substance to start a combustion reaction
The amount of heat it takes to raise the temperature of an amount of something by a certain temperature
The specific way to heat something in capacity
The amount of heat it takes to raise the temperature of one gram by at least one degree C or K
If you sweated 35 grams of water yesterday, how much energy is released in your sweat?
79,100 Joules
35 calories
2260 Joules
540 calories
