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Lera25 [3.4K]
3 years ago
13

La lluvia acida es un fenomeno a nivel local o Regional?

Chemistry
1 answer:
Lesechka [4]3 years ago
4 0

Answer:

Regional

Explanation:

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Explanation:

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Determine the overall energy change for the reaction between hydrogen and oxygen shown in Question 13. Use Figure 2.
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Answer:

–500KJ

Explanation:

Data obtained from the question include the following:

Heat of reactant (Hr) = 800KJ

Heat of product (Hp) = 300KJ

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The enthalphy change is simply defined as the difference between the heat of product and the heat of reactant i.e

Enthalphy change = Heat of product – Heat of reactant

ΔH = Hp – Hr

With the above formula, we can easily calculate the enthalphy change as follow

ΔH = Hp – Hr

ΔH = 300 – 800

ΔH = –500KJ.

Therefore, the overall energy change for the reaction between hydrogen and oxygen shown in the diagram above is –500KJ

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