According to the equation below, if 2.00 g of PCl5 react completely, how many grams of HCl will be produced? PCl5+4H2O→H3PO4+5HCl

If you want to create an electrical current, which situation would produce a solution capable of this

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

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