Identify the approximate color you would expect if
you were to test each household item using a
cabbage pH indicator.
coffee, pH 5
baking soda solution, pH 9
bleach, pH 13 (strong base)
toothpaste, pH 8
milk, pH 6.8
battery acid, pH 1, (strong acid)

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