Asolution of baking soda and water has a ph of 8.40. what type of solution is this? 1. acidic 2. neutral 3. basic

List four observations that indicate that a chemical reaction may be taking place

What are transitions between a liquid and a solid called? identify which way they are transitioning

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