AP Thermochemistry

AP Thermochemistry

9th - 12th Grade

25 Qs

quiz-placeholder

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AP Thermochemistry

AP Thermochemistry

Assessment

Quiz

Chemistry

9th - 12th Grade

Medium

NGSS
HS-PS1-4, HS-PS3-1, HS-PS3-4

+2

Standards-aligned

Created by

Joshua Stuart

Used 49+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If 238 J of heat is absorbed by a sample of metal with a mass of 40.7 g, and it raises the temperature from 20.0°C to 32.4°C, what is the specific heat capacity of the metal? (show your work)

2.34 J/g°C
0.472 J/g°C
6.13 J/g°C
0.163 J/g°C

Tags

NGSS.HS-PS3-4

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A liquid with a specific hear of 1.9 J/gC has 4750 J of energy added to it. The temperature changed from 20 degrees C to 30 degrees C, what is the mass of the liquid?

250 cal
2500cal
250 g
2500 cal

Tags

NGSS.HS-PS3-1

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

12.82 °C

24.12 °C

351 °C

4.

MULTIPLE CHOICE QUESTION

5 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

5 mins • 1 pt

When 1500J of energy is lost from a 120 gram object, the temperature decreased from 45 oC to 40 oC. What is the specific heat of the object?

2.5 J/goC

1.5 J

12.5 Cal/goC

15 J/gC-1

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculate the ∆H for the following reaction: 2H2O2 → 2H2O + 1 O2


You are given these two equations:

2H2 + O2 → 2H2O ∆H = -572 kJ

H2 + O2 → H2O2 ∆H = -188 kJ

∆H = -948 kJ

∆H = -196 kJ

∆H = -384 kJ

∆H = -188 kJ

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Refer the the following question:
2N2 + 3H2 --> 2NH3 + 46 kJ
How much energy would be produced if only 1 mol of nitrogen was reacted?

92 kJ
0.143 kJ
23 kJ
15 kJ

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

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