Solve for V2 when P1 = 1.0 atm V1 = 22.4 L and P2 = 4.0 atm
This is a Boyle’s law gas problem

What substance has a mass of 9.5g and volume of 2.1cm^3

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

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