Answered

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How would you describe the following chemical reaction?

2CO(g)+O2(g) --> 2CO2(g) + energy

(a)exothermic
(b) endothermic

Sagot :

Jcherry99idn

Answer:

B

Explanation:

The normal way to express an energy reaction is to put the energy on the left. Then you can make a rule.

  • If the energy on the left is plus then the reactants require energy. The reaction is endothermic -- energy is taken from the environment.
  • If the energy is minus when it is on the left. then the reactants give up energy. The reaction is exothermic and energy is given to the environment.

2CO(g)+O2(g) - energy --> 2CO2(g)

Exothermic

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