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13. For a gas to become a liquid, large numbers of particles must clump

together. Particles clump together when the attraction between them
overcomes their

User Vlad Stryapko
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1 Answer

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Answer: For a gas to become a liquid, large numbers of particles must clump together. Particles will clump together when the attraction between them overcomes their motion. For this to happen, energy must be removed from the gas to slow the particles down. So, condensation is an exothermic change.

User CommonMan
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