5. Based on the balanced chemical equation which of the following statements is true about the relationship between magnesium (Mg) and hydrogen gas (H2) in this reaction?
Mg(s) +2HCl (aq)->H2(g)+MgCl2(aq)

What does the cell nucleus do or, how does it function?

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

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element