1) 2Fe + 3H2SO4 → Fe2(SO4)3 + 3H2 How many grams of iron (Fe) are reacted to produce 274.50L of hydrogen gas (Hz) at STP?

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Can someone me with 3 and 4 plz. this is for masteries test.

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