Question 1 (1 point) After a long day of studying their favorite subject, a student realizes that a muscle in
their back is quite strained. To fix the problem, they apply a hot water bottle. The
water bottle contains 575 grams of water at 80°C. The water eventually cools to
40°C. How many calories of heat could be transferred to the student's back?

Why are pipes bursting in the in extremely cold weather?

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added

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?