What is the temperature in degrees Celsius if the pressure was increased to 450mmHg , and the initial pressure in the piston was measured at 325mmHg at a temperature of 278k

Which of these describes the rate of this chemical reaction? h2 + cl2 → 2 hcl a. an increase in the concentration of hcl and h2 with time b. an increase in the concentration of hcl with time c. an increase in h2 and cl2 with time d. a decrease in hcl and cl2 with time