Phase Changes

Question 1

Which statements describe phase changes? Check all that apply.

Revolt · Accepted Answer

A: Particles in a liquid need to move more slowly in order to freeze.; C: Attractive forces between the particles in a liquid are broken when a liquid boils.

Question 2

Energy is released during which phase changes? Check all that apply.

Revolt · Accepted Answer

B: condensing; C: depositing; D: freezing

Question 3

Question 3

Revolt · Accepted Answer

: 1; : 2; : 4

Question 4

Use the table to answer the questions below.When the temperature in a room increases from 25°C to 33°C, ✔ galliumgold methanenitrogen changes from a solid to a liquid.

Revolt · Accepted Answer

A: ✔ gallium

Question 5

Which statement describes how phase changes can be diagrammed as a substance is heated?

Revolt · Accepted Answer

D: The temperature is on the y-axis and the time is on the x-axis.

Question 6

Use the information in the table to describe the temperature-vs.-time diagrams.Which number on the graph represents a solid? ✔ 1234

Revolt · Accepted Answer

A: ✔ 1

Question 7

Considering the chart shown, at what temperature does the substance boil?

Revolt · Accepted Answer

C: 2,200ºC

Question 8

In a lab, methane and nitrogen are cooled from -170°C to -200°C. The methane freezes and the nitrogen boils✔ condensesmeltssublimates

Revolt · Accepted Answer

B: ✔ condenses

Question 9

Which statement describes the appearance of a temperature-vs.-time graph?

Revolt · Accepted Answer

C: Horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases.

Question 10

Which number on the graph represents the phase change melting? 1✔ 234

Revolt · Accepted Answer

B: ✔ 2

Phase Changes Answers

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