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Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425

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BuyFindarrow_forward

Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
ISBN: 9781337399425
Textbook Problem
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Which of the following processes is (are) exothermic?

ol type='a'>

  • combustion of methane (e.g., fingernail burner)
  • melting of ice
  • evaporation of acetone (e.g., fingernail polish remover)
  • steam condensing on a cold surface
  • Interpretation Introduction

    Interpretation:

    Which among the given processes is (are) exothermic should be explained.

    Concept Introduction:

    An exothermic process is the one in which heat energy is produced whereas endothermic is process in which heat energy is absorbed.

    Explanation

    Reason for correct option:

    In an exothermic process heat must be produced. Combustion of methane is a process in which methane gas is burnt in presence of oxygen. This reaction produces carbon dioxide and water along with heat energy...

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