If four moles of So2 are oxidised to SO3, how many moles of oxygen molecules are required
(a) 0.5 (b) 1.0 (C) 1.5
(d) 2.0

All living organisms are composed of a. at least three cells. b. one or more cells. c. only one cell. d. at least 100 cells.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?