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Using Equilibrium:

Using Equilibrium:
Explain why a syringe containing NO2 gas will first get darker and then lighter in color when compressed
N2O4(g) + heat -><- 2NO2(g)
colorless brown

Explain why a flask containing N)2 will get lighter in color when put into ice water
N2O4(g) +heat -><- 2NO2(g)
colorless brown

Explain why nitric oxide (NO) does not generally form in teh atmospher but is formed in the internal combustion engine of an automobile or during a lightning storm
N2(g) + O2(g) + heat -><- 2NO(g)

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