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Unit 10 - Thermodynamics

Authored by Heidi Cuticchia

Chemistry

10th Grade

Used 2+ times

Unit 10 - Thermodynamics
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21 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What  is the formula to calculate heat energy required to raise the temperature of any substance?

Q = m Cp ∆T
Q = m Cp
Q =  ½ m v
m = Q Cp

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If the specific heat of water is 4,186 J/kg∙°C, how much heat is required to increase the temperature of 1.2 kg of water from 23 °C to 39 °C? 

-80,371.2 J
44,938.6 J
80,371.2 J
112,575.9 K

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What would be the effect on the particles if more heat is supplied to the system?

They would slow down
They would stop moving
They would speed up
There would be no effect

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A sample of iron receives 50.J of heat energy that raises the temperature of the iron 25.0°C. If iron has a specific heat of  0.10 J/g°C, what is the mass of the iron sample?

25 g
30 g
20 g
50 g

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The specific heat is the amount of energy needed to raise the temperature one degree Celsius of 1 gram of a substance.

True
False

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the symbol for Thermal Energy?

Q
T
m
Cp

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What unit do you use to measure Thermal Energy?

J/Kg ºC
Kg
ºC
J

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