What types of atoms and bonds are in the molecule shown below? A. Carbon, and only single bonds
B. Carbon, hydrogen, and only double bonds
C. Carbon, hydrogen, single bonds, and double bonds
D. Carbon, hydrogen, oxygen, and only single bonds​

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.