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For the equations C("diamond") +2H(2)(...

For the equations
`C("diamond") +2H_(2)(g) rarr CH_(4)(g) DeltaH_(1)`
`C(g)+4H(g) rarr CH_(4)(g) DeltaH_(2)` Predict whther

A

`DeltaH_(1) = DeltaH_(2)`

B

`DeltaH_(1) gt DeltaH_(2)`

C

`DeltaH_(1) lt DeltaH_(2)`

D

`DeltaH_(1) = DeltaH_(2) + Delta_(vap)H(C )+ Delta_(diss)H(H_(2))`

Text Solution

Verified by Experts

`DeltaH_(1) gt DeltaH_(2)`
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CENGAGE CHEMISTRY-THERMODYNAMICS-Exercises (Single Correct)
  1. Which of the following equations corresponds to the enthalpy of combus...

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  2. For the combustion reaction at 298K 2Ag(s)+1//2O(2)(g) rarr 2Ag(2)O(...

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  3. For the equations C("diamond") +2H(2)(g) rarr CH(4)(g) DeltaH(1) C...

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  4. The expression Delta("sub"1)H^(Theta) =Delta(fus)H^(Theta) +Delta(vap)...

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  5. The word 'standard' in standard molar enthalpy change implies

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  6. For which of the following equations, will DeltaH be equal to DeltaU?

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  7. The enthalpy change for chemical reaction is denoted aas DeltaH^(Theta...

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  8. Enthalpy chane of a reaction with be equal to

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  9. The molar enthalpies of combustion of C(2)H(2)(g), C("graphite") and H...

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  10. The relationship between enthalpy and internal energy change is

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  11. The equilibrium state is attained when the reversible reaction is carr...

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  12. The relationship between the free energy change (DeltaG) and entropy c...

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  13. For the gaseous reaction involving the complete combustion of isobutan...

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  14. Entropy of system depends upon

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  15. For the gaseous reaction: N(2)O(4) rarr 2NO(2)

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  16. For the reversible process, the value of DeltaS is given by the expres...

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  17. For a process H(2)O(s) rarr H(2)O(l) at 273 K

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  18. i. At absolute zero the entropy of a perfect crystal is zero. This sta...

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  19. In which of the following process DeltaH and DeltaU are of same magnit...

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  20. Enerrgy can transfter from syetm to surroundings as work if

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