Show how to work it out 1. 32.5grams of NaOH (sodium hydroxide) reacts an excess of CO2 (carbon dioxide). 2NaOH(s) + CO2(g) → Na2CO3(s) + H2O(1)

a. What is the theoretical yield of Na2CO3 in grams? 43.1g Na2CO3

b. If 16.45 g of Na2CO3 is formed, what is the percent yield? 38.2%

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Is powdered sports drink ionic or covalent ? 10pts !

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