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The heat evolved on combustion of 1g st...

The heat evolved on combustion of `1g` starch `(C_(6)H_(10)O_(5))_(n)` into `CO_(2)` and `H_(2)O_((l))` is `17.49kJ g^(-1)`. Compute the enthalpy of formation of `1g` starch. Given, `DeltaH_(f)` of `H_(2)O_((l))=-285.85kJ mol^(-1), DeltaH_(f)` of `CO_(2)=-293.7kJ mol^(-1)`.

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The correct Answer is:
`-2.21kJ;`
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P BAHADUR-THERMOCHEMISTRY-Exercise 9 Advance numerical problems
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  2. Since their discovery in 1985 , fullerenes have received the attention...

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  3. The heat evolved on combustion of 1g starch (C(6)H(10)O(5))(n) into C...

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  4. Given the following standard heats of reactions: (a) heat of formati...

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  5. Calculate the heat of neutralisation from the following data: 200mL ...

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  6. The enthalpies of neutralisation of a string acid HA and a weaker acid...

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  7. Two solutions initially at 25^(@)C were mixed in an insulated bottle. ...

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  8. A monobasic acid is dissociated to 25% in 0.1N solution. When 100mL of...

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  9. The dissolution of 1 mol e of NaOH((s)) in 100 mol e of H(2)O((l)) giv...

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  10. The integral enthalpy of solution in kJ of one mole of H(2)SO(4) disso...

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  11. The heat of solution of NH(4)NO(3) in water was determined by measuri...

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  12. An athelet takes 20 breaths per minute at room temperature. The air in...

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  13. A slice of banana weighing 2.502 g was burnt in a bomb calorimeter pro...

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  14. A person inhales 640g of O(20 per day. If all the O(2) is used for co...

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  15. The heat of formation of carbon dioxide from graphite at 15^(@)C and c...

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  16. When 12.0g of carbon reacted with oxygen to form CO and CO(2) at 25^(@...

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  17. The heat of combustion of ethane gas is 368 kcal //mol. Assuming that ...

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  18. The commercial production of water gas utilizes the reaction under sta...

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  19. From the following data of DeltaH, of the following reaction, C((s))...

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  20. When 100 c.c. of a mixture of methane (CH(4)) and ethylene (C(2)H(4)) ...

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