If I have an unknown quantity of Xenon gas at a pressure of 0.687atm, a volume of 18.1 liters, and a temperature of 35°C, how many moles of gas do I
have? Write your answer to 3 significant figures.

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added