1.

The diagram below shows four beakers of water, P, Q, R and S, at different temperature and volume.   Which one of the following statements is true?   

A. Beaker P has the most heat energy.
B. Beaker R has more heat energy than beaker Q.
C.  Beaker S has more heat energy than beaker R.
D. Beaker P and beaker S have the same amount of heat energy.
Answer» C.  Beaker S has more heat energy than beaker R.


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