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Chemistry

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Why does a heating curve platuea upon reaching the boiling point of a substance?

a- intermolecular forces must be broken to vaporize the substance, using the heat instead of warming the substance

b- new intermolecular forces must be formed to vaporize the substance, using the heat instead of warming the substance

c- bonds within the molecules themselves are being broken, using the heat instead of warming the substance

d- new bonds within the molecules themselves are being formed, using the heat instead of warming the substance

Answer :

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