A chemist found a 60.00 gram sample containing copper and oxygen. Given the following percent composition, what is the mass of copper in the sample? Copper- 57.08 %
Oxygen- 42.9296

choose an
O 0.5708 g Cu
o 25.02 g Cu
34.25 g cu
63.5 g Cu

Here’s one way to follow the scientific method. place the missing steps in the correct position in the process

How can carbon move from "land" to bodies of water? describe the way human impact has lead to increased levels of co2 in the atmosphere.

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