Which statement is true about this reaction 14/7n + 1/1h > 15/8o A. it is a practical source of energy on earth
B. it occurs only outside the solar system
C. its product is heavier than each of its reactants
D. it shows the critical mass of an element

Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%

How have the greenhouse gasses increased from the year 2000 to 2018

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.