Heat is given off by a substance when that substance ________.
A) evaporates
B) freezes
C) melts
D) boils
E) C and D
Correct Answer:
Verified
Q9: Water is most dense at _.
A)-4°C
B)0°C
C)+4°C
D)+100°C
Q10: Which of the following statements best describes
Q11: What happens when pressure is applied to
Q12: At the molecular level, when a piece
Q13: Which of the following statements does not
Q15: For an ice/water mixture at 0°C, which
Q16: What is found within the extra volume
Q17: Ice is slippery because _.
A)air molecules have
Q18: It is important to protect water pipes
Q19: Why do ice skates work?
A)The pressure of
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