Changes of State Answers
2 verified answers
1
Free Preview
How much heat is released when 25.0 grams of liquid copper at its freezing point of 1,085°C changes to solid? The latent heat of fusion of copper is 205.0 J/g.
A
–27,130 JB
–5,130 JC
5,130 JD
27,130 J2
Free Preview
Latent heat of fusion refers to which changes of state?
A
liquid to solid or solid to gasB
solid to gas or gas to liquidC
solid to liquid or liquid to solidD
gas to liquid or liquid to gas3
The diagram shows a heating curve for water.
A
V-WB
W-VC
W-XD
X-W4
Latent heat of vaporization refers to which changes of state?
A
liquid to gas or gas to liquidB
solid to gas or gas to solidC
solid to liquid or gas to liquidD
gas to liquid or liquid to solid5
Sunidhi made a study chart about changes in states of matter.
A
X: Solid Directly to LiquidY: Liquid Directly to SolidB
X: Liquid Directly to SolidY: Solid Directly to LiquidC
X: Heat Is ReleasedY: Heat Is AbsorbedD
X: Heat Is AbsorbedY: Heat Is Released6
Study the heating curve shown.
A
At segment T-U, the substance changes from a liquid to a gas and does not change temperature.B
At segment T-U, the substance changes from a gas to a liquid and changes temperature.C
At segment Q-R, the substance releases heat and increases in temperature.D
At segment Q-R, the substance absorbs heat and decreases in temperature.7
Which best compares freezing and condensation?
A
Both involve changes between liquids and gases.B
Both involve changes between gases and solids.C
Both involve the release of heat.D
Both involve the absorption of heat.8
Sara places a cold bottle of water in the sun. After several minutes, she notices that water droplets are collecting on the outside of the bottle.
A
sublimationB
vaporizationC
condensationD
deposition9
[BLANK]
A
heat and densityB
mass and temperatureC
temperature and heatD
mass and density10
Which changes of state occur between solids and gases? Check all that apply.
A
vaporizationB
depositionC
freezingD
meltingE
sublimationDid you find these answers helpful?
Verified answers available
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this