What causes current to flow in an electrolytic cell? difference in potential between the three half-cells
a nonspontaneous redox reaction
a spontaneous redox reaction
an outside power source

Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?

How manyatoms of mercury are in 1.4214e+1 ml sample

Identify a strong intermolecular force of attraction between an alcohol