Colorless N2O4 gas decomposes to from red-brown colored NO2 gas.?
Describe how the concentrations of N2O4 and NO2 would change (increase or decrease) as equilibrium was established in a sealed container that was initially filled with N2O4. What observation would indicate that equilibrium has been established?
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N2O4 <-----> 2NO2
NO2 will form until Kc = [NO2]^2/[NO4] is reached
color (density) will not change art equilibrium