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Which of the following would happen, in terms of bond strength, to the bonds on the nitrogen atoms in a sample of pure ammonia gas when pressure is decreased, causing the decomposition of ammonia in a closed system, according to the balanced equation below?

$$2NH_3→ N_2+ 3H_2$$

A

The bond strength would increase due to the formation of a triple bond on the nitrogen.

B

The bond strength would decrease due to the decrease in pressure of the system.

C

The bond strength would remain unchanged because the nitrogen bonds would be the same in either form.

D

Pressure changes would not decompose ammonia, so no change in the system is seen.

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