The free-energy change for the oxidation of glucose to co2 and water is -686 kcal/mol, and the free-energy change for the reduction of nad+ to nadh is +53 kcal/mol. why are only two molecules of nadh formed during glycolysis when it appears that as many as a dozen could be formed?

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

In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?

Determine the length of the object shown. 97.8 mm 97.80 mm 97 mm 98 mm