a sample of gas isolated from unrefined petroleum contains 90.0% methane, 8.90% ethane, and 1.10% propane at a total pressure of 307.2 kpa. what is the partial pressure of ethane? (the percentages given indicate the percent of the total pressure that is due to each component.)

James needs to move this box. he has already checked it and knows it is not too heavy for him to lift. he also has a clear path and a place to safely set down the box. tell james what to do next to safely lift this box by placing the steps in the correct order. place the options on the left in the correct sequence by dragging them to the appropriate answer box to check your answer.

If inflation is 6% and nominal gdp grew by 4%, then during the same period real gdp changed by a) -2% b) 2% c) 4% d) 5%

It takes longer to fly an airplane against a with it