Chemical Reactions and Equations 19
(c) Hydrogen(g) + Chlorine(g) → Hydrogen
chloride(g)
(d) Magnesium(s) + Hydrochloric acid(aq) →
Magnesium chloride(aq) + Hydrogen(g)
9. What does one mean by exothermic and
endothermic reactions? Give examples.
10. Why respiration is considered an exothermic
reaction? Explain.
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Explanation:
the reaction which absorbs heat is called endothermic reaction
the reaction which release heat is called exothermic reaction
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