Na2S2O3(aq) + 2HCl(aq) → 2NaCl(aq) + H2O(l) Which of the following would introduce the greatest increase in the rate of the chemical reaction above?
A. An increase in temperature and decrease in the concentration of the reactant B. A decrease in the volume and increase in the pressure of the reactant C. A decrease in the temperature and an incease in the concentration of the reactant D. An increase in temperature and an increase in the concentration of the reactant