QUESTION 13 200g of water is heated to a temperarature
of 90C from a starting temperature of 15C. The specidic heat of water is 4.181/9C. How much heat energy was added to the water? Please give the answer without units. Equation: 4 = mx cx AT

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?