6. Based on the nature of the reactants in each of the equations below, which reaction at 25°C will occur at the fastest rate?
C(s) + O2(g) → CO2(g)
NaOH(aq) + HCl(aq) →
NaCl(aq) + H2O(C)
CaCO3(s) → CaO(s) + CO2(g)
CH, OH(C) + CH_COOH(C) →
CH, COOCH3(aq) + H2O(l)

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.