Given the reaction C2H4 +3 O2 --> 2 CO2 + 2 H20, what is the mole ratio between carbon dioxide and water? 2 mol CO2: 2 mol H2O
1 mol CO2: 3 mol H2O
2 mol CO2: 3 mol H20
3 mol CO2: 2 mol H2O

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

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