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At constant TandP,Which of the following...

At constant `T`and`P`,Which of the following statements is correct for the reaction,
`CO(G)+(1)/(2)O_(2)(g)rarrCO_(2)(g)`,

A

`DeltaH=DeltaU`

B

`DeltaH lt DeltaU`

C

`DeltaH gt DeltaU`

D

none of these

Text Solution

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The correct Answer is:
B
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OP TANDON-Chemical Thermodynamics and Thermochemistry-Objective Question Level-A
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  9. For the reactions, (i) H(2)(g)+Cl(2)(g)=2HCl(g)+xkJ (ii) 2HCl(g)=H...

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  11. If DeltaH(f)(X), DeltaH(f)(Y), DeltaH(f)(R ) and DeltaH(f)(S) denote t...

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  12. The enthalpy change for the reaction, C(2)H(4)(g)+3O(2)(g)to2CO(2)(g...

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  13. The enthalpy change for the reaction 2C("graphite")+3H(2)(g)rarrC(2)H(...

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  14. The enthalpy of formation of organic compounds are conveniently determ...

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  15. The enthalpies of formation of organic substances are conveniently det...

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  17. The enthalpy of neutralization of oxalic acid by strong acid is - 25.4...

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  18. The amount of heat liberated when one mole of NH(4)OH reacts with one ...

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  19. Heat of neutralisation for the reaction: NaOH+HCl to NaCl+H(2)O is...

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