The piston of an internal combustion engine compresses 450 ml of gas. the final pressure is 15 times greater than the initial pressure. what is the final volume of the gas, assuming constant temperature? (treat “15 times” as a pure number, with unlimited significant figures.)

What are the percent by mass of copper in penny lab

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

What do electromagnetic waves carry? how are they produced through which media can they move? where do they transfer energy? what do they not transfer? what do mechanical waves carry? how are they produced? through which media can they move? where do they transfer energy? what do they not transfer?