Water is a liquid at room temperature (22°C) while methane is a gas.?
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What BEST explains the difference in their states of matter at room temperature? a) The temperature remains constant even though energy is added during a phase change from liquid to gas. b) Compounds with decreasing molecular weights tend to have lower phase change temperatures. c) The kinetic energy of particles is higher in gases than in liquids. d) Stronger intermolecular forces require more energy to break apart.
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Answer:
(d)
dujeshjain at Yahoo! Answers Visit the source
Other answers
(d)
Answer correct is A. The intermolecular forces are mainly hydrogen bonds which are specially stong in water. In methane you have London forces which are less strong
jeanna
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