What does a principal quantum number describe?A. Orbital shape B. Electron spin C. Orbital orientation in space D. Energy level

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

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.