CameraIcon

SearchIcon

MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Enthalpy

For the react...

Question

For the reaction,
$N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g), △ H$ is equal to :
( $△ U$ = change in internal energy)

A

△ U + 2 R T

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

△ U - 2 R T

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

△ U + R T

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

△ U - R T

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $△ U - 2 R T$
We know that,
$△ H = △ U + △ n_{g} R T$
For the reaction:
$N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g)$
$△ n_{g} = 2 - 4 = - 2$
$△ H = △ U + △ n_{g} R T$
$△ H = △ U + (- 2) R T$
$△ H = △ U - 2 △ R T$

Suggest Corrections

thumbs-up

0

Similar questions

N_{2} (g) + 2 H_{2} (g) ⇌ 2 N H_{3} (g)

Δ H

2 S O_{2} (g) + O_{2} (g) \to 2 S O_{3} (g)

Δ H

Q. For the reaction,

N_{2} (g) + 3 H_{2} (g) ⇌ 2 N H_{3} (g), △ H

is equal to :
(

△ U

= change in internal energy)

f^{2} (x) + 2 g^{2} (x) + 3 h^{2} (x) \leq 1

u (x) = 2 f (x) - 2 g (x) + 3 h (x),

then the maximum value of

u^{2} (x)

For the reaction, N₂ + 3H₂ ⇌ 2NH₃, ∆H= …………….

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon