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What is the Kc equilibrium-constant expression for the following equilibrium? NiO(s) + H2(g) Ni(s) + H2O(g)

For the equilibrium PCl5(g) PCl3(g) + Cl2(g), Kc = 4.0 at 228°C. If pure PCl5 is placed in a 1.00-L container and allowed to come to equilibrium, and the equilibrium concentration of PCl5(g) is 0.19 M, what is the equilibrium concentration of PCl3?

The judge would have sent him to prison if he _______ (catch- passive)

You _______________ smoke inside the school.

At 7pm yesterday, we _______ (listen) to music.

I _______________ do my washing, because my mother does it for me.

 Did she ____ go to school last week?

You  _______ (to have) no trouble at school if you had done your homework.

When her train _______ (get) to the station, we _______ (wait) on the platform.

He _______ (live) in Russia when the Revolution _______ (start).