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Heat and Enthalpy

Authored by Charles Martinez

Mathematics

11th - 12th Grade

CCSS covered

Heat and Enthalpy
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from 25°C to 175°C.  Calculate the specific heat capacity of iron.    

0.46 J/gxoC
1.654 J/gxoC
2,567,446.875 J/gxoC

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSN.Q.A.1

CCSS.HSN.Q.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 How many joules of heat are needed to raise the temperature of 10.0 g of aluminum from 22°C to 55°C, if the specific heat of aluminum is 0.90 J/gx°C?    

297 Joules
0.003 Joules
297 J/gx°C
0.003 J/gx°C

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When a  piece of aluminum foil is taken out of the oven and cools from 100° to 50°, What is the change in temperature?

50°
100°
150°

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The symbol for specific heat is .......

c
Q
m
t

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

20 g of water. specific heat of water is 4.18 J/x°C. temperature changes from 25° C to 20° C, how much heat energy moves from the water to the surroundings?

418 Joules

209 J

83 J

4.18 J

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The specific heat of copper is 0.39 J/g °C. What is the temperature change when 100 Joules of heat is added to 20 grams?

12.82 °C

24.12°C

351 °C

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.SSE.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The standard enthalpy changes of formation of carbon dioxide and of methanoic acid are −394 kJ/mol and −409 kJ/mol respectively. Calculate the enthalpy change for the reaction

H2 (g) + CO2 (g) → HCOOH (l)

−803 kJ/mol

−15 kJ/mol

+803 kJ/mol

+15 kJ/mol

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