A plane takes 230 passengers from New York to Chicago in 3 hours. New York and Chicago are 789 miles away from each other. What is the
average speed of the flight in mph?

What is the most important factor in determining climates.

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.