Write the K. expression for the following reaction that occurs at 25.0° C. 2 N₂O5 (9) 4 NO₂ (g) + O₂ (g) What is the Kp expression. Also give an expression that relates Kc and Kp.

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A: Given : at stp , molar volume = 22.4 L       And NO2 produced = 49.1 L

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