Why is graphite used instead of gold or copper wires to conduct electricity in very hot situations such as an industrial kiln?

One of the cell membrane's functions is to protect the cell keep wastes in the cell create new cells keep light out of the cell

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

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