Question

The heat evolved on combustion of 1g starch (C 6 H 10 O 5 ) n ] into CO 2 and H 2 O is 20 KJ / g . Compute the enthalpy of formation of 1g starch. Given ( Delta Hf) CO 2 =-300KJ/mol; ( Delta H f ) H 2 O =-300KJ/mol​

Answer 1

Explanation:

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1 answer

The heat evolved on combustion of 1 g starch (C6H10O5)n into CO2 and H2O(l) is 17.49 kJ g^-1 . Then the enthalpy of formation of 1 g starch is: [Given ...

Top answer · 4 votes

Given, H2 + 12O2⟶ H2O(l); Δ H = - 285.85 kJ mol^-1 ...(i) C + O2⟶ CO2(g); Δ H = - 293.7 kJ mol^-1 ..(ii) 1g starch on combustion gives 17.49 kJ

Answer 2

Answer:

I don't know sorry bro

Explanation:

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