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Classify each chemical reaction as endothermic or exothermic.
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Endothermic reactions
Exothermic reactions
Answer Bank
2H2(g)+O2(g)⟶2H2O(l)+heat2C2H2(g)+5O2(g)⟶4CO2(g)+2H2O(l)+heatCH4O(l)+heat⟶CO(g)+2H2(g)
2CO2(g)+heat⟶2CO(g)+O2(g)

Sagot :

Exothermic reactions are

1) 2H2+O2 ⇒2H20+Heat

2) 2C2H2+5O2⇒4CO2+2H20+Heat

Endothermic reactions are

3) CH4+Heat ⇒CO+2H2

4) 2CO2+Heat⇒2CO+O2

What are exothermic and endothermic reactions?

Exothermic reactions are those reactions in which energy is released and in endothermic reactions energy is required to proceed the reaction.

1) & 2) are exothermic because energy is released in reaction 3) & 4) are endothermic because energy is required so called endothermic reaction.

For more information about exothermic & endothermic please visit:

https://brainly.com/question/2782285

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