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18 June, 05:36

What can you conclude about these two reactions based on the chemical equations?

Reaction A: 6CO2 (g) + 6H2O (l) + sunlight → C6H12O6 (aq) + 6O2 (g)

Reaction B: 2H2 (g) + O2 (g) → 2H2O (g) + energy

A.

Reactions A and B are both exothermic.

B.

Reaction A is endothermic, and reaction B is exothermic.

C.

Reactions A and B are both endothermic.

D.

Reaction A is exothermic, and reaction B is endothermic

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Answers (1)
  1. 18 June, 06:03
    0
    reaction A : 6 CO2 (g) + 6 H2O (l) + sunlight→ C6H12O6 (aq) + 6O2 (g)

    reaction B: 2H2 (g) + O2 (g) → 2H2O (g) + energy

    What we can conclude about the above chemical reaction is that

    reaction A is endothermic, and reaction B is exothermic (answer B)

    Explanation

    Endothermic reaction is a reaction that absorb energy from its surrounding.

    Exothermic reaction is a reaction that releases energy to the surrounding.

    Reaction A : is endothermic since it absorb energy in form of sunlight from its surrounding.

    Reaction B is a exothermic reaction since it releases energy to the surrounding.
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