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Specific Heat Problems
Test Description: Practice Answering Questions about Specific Heat
Instructions: Answer all questions to get your test result.
1) Calculate the amount of heat in joules needed to increase the temperature of 350 g of water from 20 C to 56 C.
A
52,668 J
B
12960 cal
C
126 Cal
D
0.00033 J
2) If a batch of cookies weighs 60 g, the heat was 700 J and the change in temperature was 20 C. What was the specific heat of the cookies?
A
1.714 J/gC
B
0.583 J/gC
C
0.7 J/gC
D
840000 J/gC
3) Energy is just like any other chemical or physical process, where it cannot be created or destroyed. Which Law states this fact?
A
Law of Conservation of Nature
B
Law of Conservation of Mass
C
Law of Conservation of Heat
D
Law of Conservation of Energy
4) How many Calories are in one gram of Hershey bar that started out at 6.7 g and burned down to 3.2 g. While burning it heated up 340 ml of water from 23.4 C to 25.7 C.
A
0.244 Cal/g
B
0.117 Cal/g
C
0.22 Cal/g
D
0.782 Cal/g
5) When 435 J of heat is added to 3.4 g of olive oil at 21 C, the temperature increases to 85 C. What is the specific Heat of the olive oil?
A
1.99 J/gC
B
0.5 J/gC
C
83520 J
D
395662.08 J
6) What is the specific heat of water in Joules?
A
1.0 J
B
0.01 J
C
4.18 J
D
0.1 J
7) The amount of energy transfered between two objects is considered...
A
Thermal Waste
B
Heat
C
Joules
D
Specific Heat
8) Calculate the specific heat of glass from the following. The temperature of a piece of glass with a mass of 65g increases by 26 C when it absorbs 840 J of heat.
A
0.5 J/gC
B
1419600 J/gC
C
2.01 J/gC
D
1569045 J/gC
9) How much heat is given out when 85g of lead cools from 200 C to 10 C? The specific heat of lead is 0.11 J/gC.
A
-0.0000068 J
B
-1776.5 J
C
0.0000068 J
D
1776.5 J
10) When an abject absorbs heat or energy is it considered to be...
A
Thermal Energy
B
Law of Conservation of Energy
C
Exothermic
D
Endothermic
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