What mass of ag2cr2o7 is formed when 500 ml of 0.17 m k2cr2o7 are mixed with 250 ml of 0.57 m agno3

How many molecules of sucrose c12h22o11 are there in 454 grams of sucrose

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j