1. Calculate the final pressure in atm while using a sample of helium gas that was initially at 785 torr , 37.0°C, and 1.00 L was heated to 68.0°C while the volume expanded to 3.24 L. ?
2. Calculate the rate constant for the reaction when the reactant concentration in a first-order reaction is given 7.30×10-2M after 15.0s and it is also reported 4.40×10-3M after 65.0s . ?