2
AssignmentMultiple Choice

Solids and Plasmas

Question 2 of 3 • CHS Chemistry A

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

Answer
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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