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Deltaf H^@ of CO2(g), CO(g) , N2O(g) and...

`Delta_f H^@ of CO_2(g), CO(g) , N_2O(g) and NO_2(g)` in KJ/ mol are respectively -393 -110,81 and 34.Calculate the `Delta H` in kj of the following reaction:
`2NO_2(g)+3CO(g) rarr N_2O(g) +3CO_2(g)`

A

836

B

1460

C

`-836`

D

`-1460`

Text Solution

Verified by Experts

The correct Answer is:
C
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Delta_f H^@ of CO_2(g), CO(g) , N_2O(g) and NO_2(g) in KJ/ mol are respectively -393 -110,81 and 34.Calculate the Delta H in kj of the following reaction: 2NO_2(g)+3CO(g) rarrr N_2O(g) +3CO_2(g)

The Delta H_(0)(f) (KJ mol^(-1))" for "CO_(2(g)), N_(2)O_((g)), CO_((g)) and NO_(2(g)) are -393, -10,81 and 34 respectively. What is the value of Delta H (KJ mol^(-1)) , for the reaction ? 2NO_(2(g))+3CO_((g)) rarr N_(2)O_((g))+3CO_(2(g))

Enthalpies of formation of CO(g), CO_(2)(g),N_(2)O(g) and N_(2)O_(4)(g) are -110, -393, 81 and 9.7 kJ mol^(-1) respectively. Calculate Delta_(r)H for the reaction: N_(2)O_(4)(g) + 3CO(g) to N_(2)O(g) + 3CO_(2)(g) .

Enthalpies of formation of CO(g), CO_(2)(g),N_(2)O(g) and N_(2)O_(4)(g) are -110, -393, 81 and 9.7 kJ mol^(-1) respectively. Calculate Delta_(r)H for the reaction: N_(2)O_(4)(g) + 3CO(g) to N_(2)O(g) + 3CO_(2)(g) .

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