If a reaction has a ΔH of -120.0 kJ/mol and is spontaneous for all temperatures equal to or less than 200.0 K, what is its ΔS?

need help asap

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.

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element