If a hydrocarbon is 10% hydrogen by mass, what is its empirical formula?

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure

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.

How many peaks will be present in a mass spectrum for brcl?