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Heat change

Authored by Richard Auka

Chemistry

9th - 12th Grade

NGSS covered

Used 46+ times

Heat change
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40 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How much energy is required to heat up 12kg of copper from 10 °C to 120 °C. The specific heat capacity is 390 J/kg °C.

46800 J
561600 J
514800 J

Tags

NGSS.HS-PS3-1

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How many Joules of energy are required to make 100 grams of ice at 0 οC completely melt? The specific latent heat of fusion of ice is 334000 J/kg

200 J
400 J
33,400 J
2,000,000 J

Tags

NGSS.HS-PS3-1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the amount of energy required to melt 35.0 grams of ice.
(not in sig figs)  Hf = 80.0 cal/g,  Hv = 560.0 cal/g, SH = 1.00 cal/g ºC

19,600 cal
35.0 cal
2,800 cal 
1,568,000 cal 

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

NGSS.HS-PS3-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many calories are required to boil 75 grams of water?
(not in sig figs)  Hf = 80.0 cal/g,  Hv = 560.0 cal/g, SH = 1.00 cal/g ºC

6,000 cal
3,360,000 cal
42,000 cal
7.46 cal

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

NGSS.HS-PS3-2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a 8.50g ice cube at -10o C sits out on the counter, completely melts, and then warms to room temperature (25o C) how much energy did the ice cube absorb? Use C = 2.108 J/goC for ice, C = 4.184 J/goC for water, and Hf = 334 J/g.

179.18 J
2839 J
889.1 J
3907.3 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much energy is required to completely boil away 150g of 10o C water? Use C = 4.184 J/goC for water, and Hv = 2260 J/g.

56,484 J
339,000 J
395,484 J
385,484 J

Tags

NGSS.HS-PS3-1

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How many Joules of energy are required to make 100 grams of ice at 0 οC completely melt?

200 J

400 J

33,400 J

2,000,000 J

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