The average rate of appearance of O2 is 1/2 the rate of disappearance of N2O5. What is the average rate of appearance of O2 from t = 0 to 141 min?Rate of disappearance of N2O5 = 1.18×10-3 M/min.

Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.

What is the percent by mass of magnesium sulfate in mgso4.7h2o

What is the reaction between an acid and a base