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Calculate the enthalpy of formation of a...

Calculate the enthalpy of formation of acetic acid from the following data.
`CH_3COOH(I) +202 (g) — 2C02 (g) +2H20(I), " " Delta H= -207.9` kcal
`C(s) +O_2 (g) —C0_2 (g) . ..(ii) Delta H= -94.48` kcal
`H_(2)(g)+(1)/(2)O_(2)(g)to H_(2)O(l), " " Delta H =-68.4` k cal

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To calculate the enthalpy of formation of acetic acid (CH₃COOH) from the given data, we can follow these steps: ### Step 1: Write the Reaction The formation of acetic acid from its elements can be represented as: \[ \text{C(s)} + \text{H}_2(g) + \frac{1}{2}\text{O}_2(g) \rightarrow \text{CH}_3\text{COOH}(l) \] ### Step 2: Identify the Given Reactions and Their Enthalpy Changes 1. The reaction for the combustion of acetic acid: ...
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