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2C s 202 g H 12 0 H O 2CO g AH 787 kJ AH...

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Physics

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2C s 202 g H 12 0 H O 2CO g AH 787 kJ AH 286 kJ C H g 5 2 O2 g 2CO2 g H O l AH 1301 kJ Heat of formation of acetylene is a 1802 kJ b 1802 kJ c 800 kJ d 228 kJ

Answer & Explanation Solved by verified expert
3.7 Ratings (421 Votes)
To find the heat of formation of acetylene textC2textH2 we can use Hesss Law which states that the total enthalpy change for a reaction is the same no matter how many steps the reaction is carried out in Given reactions 1 2textCs 2textO2g rightarrow    See Answer
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Transcribed Image Text

2C s 202 g H 12 0 H O 2CO g AH 787 kJ AH 286 kJ C H g 5 2 O2 g 2CO2 g H O l AH 1301 kJ Heat of formation of acetylene is a 1802 kJ b 1802 kJ c 800 kJ d 228 kJ

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