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14 March, 08:25

Given equal amounts of reactants in all cases, what change of state would require the largest input of energy?

A) melting

B) freezing

C) vaporizing

D) condensing

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Answers (2)
  1. 14 March, 09:36
    0
    Answer: Option (C) is the correct answer.

    Explanation:

    Melting is a process in which solid state of a substance changes into liquid state.

    Freezing is a process in which liquid state of a substance changes into solid state.

    Vaporization is a process in which liquid state of a substance changes into gaseous state.

    Condensation is defined as a process in which vapor state of a substance changes into liquid state.

    So, if a substance is present in solid state then to convert it into vapor state high heat energy is required. This is because in a solid substance there occurs strong forces of attraction and to break these strong bonds high energy is required.

    Thus, we can conclude that vaporizing change of state would require the largest input of energy.
  2. 14 March, 12:09
    0
    C) vapourizing is the answer
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