Log in
Sign up for FREE
arrow_back
Library

Specific Heat Problems

star
star
star
star
star
Last updated over 1 year ago
10 questions
5
5
5
5
5
5
5
5
5
5
Question 1
1.

For q= mcΔT : identify each variables by name.

Draggable itemarrow_right_altCorresponding Item
c
arrow_right_alt
heat
ΔT
arrow_right_alt
mass
q
arrow_right_alt
specific heat
m
arrow_right_alt
change in temperature
Question 2
2.

For q= mcΔT : identify the units associated with each variable.

Draggable itemarrow_right_altCorresponding Item
q
arrow_right_alt
J
ΔT
arrow_right_alt
g
m
arrow_right_alt
J/(g°C)
c
arrow_right_alt
°C
Question 3
3.

Heat is not the same as temperature, yet they are related. Explain how they differ from each other.

Solve the following problems. Make sure to include the proper units in the answer. Round as indicated in each problem. You must show your work.
Question 4
4.

Gold has a specific heat of 0.129 J/(g×°C). How many joules of heat energy are required to raise the temperature of 15 grams of gold from 22 °C to 85°C? Round to the nearest whole number

Question 5
5.

An unknown substance with a mass of 100 grams absorbs 1000 J while undergoing a temperature increase of 15 °C. What is the specific heat of the substance? Round to the nearest hundrendth

Question 6
6.

If the temperature of 34.4 g of ethanol increases from 25 °C to 78.8 °C, how much heat has been absorbed by the ethanol? The specific heat of ethanol is 2.44 J/(g×°C). Round to the nearest whole number.

Question 7
7.

Graphite has a specific heat of 0.709 J/(g×°C). If a 25 gram piece of graphite is cooled from 35 °C to 18 °C, how much energy was lost by the graphite?. Round to the nearest whole number

Question 8
8.

Copper has a specific heat of 0.385 J/(g×°C). A piece of copper absorbs 5000 J of energy and undergoes a temperature change from 100 °C to 200 °C. What is the mass of the piece of copper? Round to the nearest tenth.

Question 9
9.

45 grams of an unknown substance undergoes a temperature increase of 38 °C after absorbing 4172.4 Joules. What is the specific heat of the substance? Round to the nearest hundredth

Question 10
10.

A 40 g sample of water absorbs 500 Joules of energy. How much did the water temperature change? The
specific heat of water (liquid) is 4.18 J/(g×°C). Round to the nearest whole whole number