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Standard IX

Chemistry

Nitrogen

66 Enthalpies...

Question

66 Enthalpies of formation of co(g),CO2(g),N2O(g)and N2O4(g) are -110, -398, 81, 97 KJ/lol respectively. Find value of H for the reaction. N2O4(g) +3CO(g) ---->N20(g)+3CO2(g)

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Q. Enthalpies of formation of CO(g),

C O_{2} (g)

N_{2} O (g)

and

N_{2} O_{4} (g)

are

- 110, - 393.81

and

9.7 k J

m o l^{- 1}

respectively. Find the value of

△_{r} H

for the reaction :

N_{2} O_{4} (g) + 3 C O (g) \to N_{2} O (g) + 3 C O_{2} (g)

Q. Enthalpies of formation

C O (g), C O_{2} (g), N_{2} O (g)

and

N_{2} O_{4} (g)

are

- 110, - 393, 81

and

9.7

KJ/mol respectively. Find the value of

Δ

H for the reaction.

N_{2} O_{4} (g) + 3 C O \to N_{2} O (g) + 3 C O_{2} (g)

Q. The enthalpy of formation of

C O_{(g)}, C O_{2 (g)}, N_{2} O_{(g)}

and

N_{2} O_{4 (g)}

- 110, - 393, + 811

and

10 k J / m o l

respectively. For the reaction,

N_{2} O_{4 (g)} + 3 C O_{(g)} \to N_{2} O_{(g)} + 3 C O_{2 (g)} \cdot △ H_{r} (k J / m o l)

Enthalpies of formation of CO₍_g_),CO₂₍_g_),N₂O₍_g₎and N₂O₄₍_g₎are –110 kJ mol^–1, – 393 kJ mol^–1, 81 kJ mol^–1 and 9.7 kJ mol^–1 respectively. Find the value of Δ_rH for the reaction:

N₂O₄₍_g₎ + 3CO₍_g₎ N₂O₍_g₎ + 3CO₂₍_g₎

Enthalpies of formation of $C O_{(g)}, C O_{2 (g)}, N_{2} O_{(g)}$ and $N_{2} O_{4 (g)} a r e - 110 k J m o l^{- 1}, - 393 k J m o l^{- 1}, 81 k J m o l^{- 1}$ and $9.7 k J m o l^{- 1}$ respectively. Find the value of $Δ_{r} H$ for the reaction:
$N_{2} O_{4 (g)} + 3 C O_{(g)} \to N_{2} O_{(g)} + 3 C O_{2 (g)}$

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