A sample of an ideal gas is in a sealed rectangular container that has sides of different sizes. Side A has an area of 80cm² and side B has an area of 100cm².

Give an expression that correctly compares the pressure P exerted on sides A and B of the container and explains the relationship in terms of net force and molecular collisions with the sides.

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !