AnswersNY-Chemistry Term 1 HillcrestSolids and Plasmas

Phase Changes Answers

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Use the information in the table to describe the temperature-vs.-time diagrams.Which number on the graph represents a solid? Which number on the graph represents the phase change melting? Which number on the graph represents the phase change boiling?

A
1
B
2
C
3
D
4
2
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Which statement describes the appearance of a temperature-vs.-time graph?

A
A horizontal line shows that the temperature increases at a constant rate over time.
B
A vertical line shows that the temperature decreases at a constant rate over time.
C
Horizontal lines where the temperature is constant during phase changes connect upward-sloping lines where the temperature increases.
D
Horizontal lines where the temperature increases are connected by upward-sloping lines where the temperature is constant for each phase.

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Phase Changes Answers — NY-Chemistry Term 1…