how much energy was transferred during the phase change shown on the heating curve of water shown above

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.