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Hess' Law

From the abov...

Question

From the above diagram which part describe the $Δ$ H of the reaction to form $C O_{2}$ from $C + O_{2}$ ?

A

A

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B

B

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C

C

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D

D

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E

E

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Solution

The correct option is A A
From the above diagram part $A$ describe the $Δ H$ of the reaction to form $C O_{2}$ from $C + O_{2}$
The reaction is $C (s) + \frac{1}{2} O_{2} (g) \to C O_{2} (g)$
$Δ H = - 393.5 k J$

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