Which statement is true about the concentration of the reactants and products in chemical equilibrium? 1.)There is more reactant than product over time
2.)They are constant over time
3.)There is more product than reactant over time
4.)They are become equal over time

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The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?