1. (2 points) Explain why gasoline specifications change with geography and season in the US. Be sure to refer to the property-function, C.e. what product specifications change and why? 2. (2 point) Energy integration is a major goal in many chemical engineering processes, particularly in a crude refining plant. Explain why, for a given distillation column, it is not possible to use the heat removed at the condenser to supply it to the reboiler