Enthalpy change for the reaction `2N_((g))+6H_((g))to2NH_(3(g))is-900 KJ` The dissociation energy of N - H bond is

Question

Enthalpy change for the reaction `2N_((g))+6H_((g))to2NH_(3(g))is-900 KJ` The dissociation energy of N - H bond is

Enthalpy change for the reaction
`2N_((g))+6H_((g))to2NH_(3(g))is-900 KJ`
The dissociation energy of N - H bond is
A. `+450 KJ`
B. `-450 KJ`
C. `+150KJ`
D. `-150 KJ`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

The following data were obtained during the first thermal decompoistion of `N_(2)O_(5) (g)` at constant volume. `2N_(2)O_(5) (g) rarr 2N_(2)O_(4) (g)+

2 Answers 4 Views

In a reaction `N_(2(g))+3H_(2(g))to2NH_(3(g))` rate of appearance of `NH_(3)` is `2.5xx10^(-4)molL^(-1)sec^(-1)` then rate of reaction and rate of dis

2 Answers 4 Views

अभिक्रिया `2N_(2)O to 2N_(2) + O_(2)` का प्रयोग से प्राप्त वेग नियम निम्न है- Rate =`k[N_(2)O]` अभिक्रिया की प्रगति अवधि में एक माध्यिका स्पीशीज O के

2 Answers 4 Views

निम्नलिखित उप-सहसंयोजक यागिकों के लिए उपयुक्त सूत्र लिखिए - (a) `CrCl_(3)*6H_(2)O` ( बैंगनी, 3 क्लोराइड आयनों/इकाई सूत्र के साथ) (b) `CrCl_(3)*6H_(2)O

2 Answers 4 Views

The half- life of a first order reaction is 900 min at 820 k Estimate its half- life at 720 k if the energy of activation of the reaction is 250 kJ `"

2 Answers 6 Views

Consider the reaction, `2N_(2) O_(5) to 4NO_(2) + O_(2)` In the reaction `NO_(2)` is being formed at the rate of 0.0125 mol `L^(-1) s^(-1)`. What is t

2 Answers 4 Views

Enthalpy change for the reaction, `4H(g)to2H_(2)(g)` is -869.5 kJ. The dissociation energy of H-H bonds is

2 Answers 4 Views

The H-H bond energy is 430 kJ `mol^(-1)` and Cl-Cl bond energy is 240 kJ `mol^(-1)`, `DeltaH and HCl` is -90kJ. The H-Cl bond energy is about

2 Answers 7 Views

For the reaction, `2H_(2)+O_(2) to 2H_(2)O,DeltaH=571.` bond energy of H-H=435, O=O=498, then calculate the average bond energy of O-H bond using the

2 Answers 4 Views

Bond energy of hydrogen gas is -433 kJ. How much is the bond dissociation energy of 0.5 mole of hydrogen gas?

2 Answers 6 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
`DeltaH_(rxn)=-900=-6BE.(N-H)`
B.E(N-H)=150kg

4 views Answered 2023-02-05 15:29