The specific heat of water is 4.18 j/g•°c. how much heat does 225.0 g of water release when it cools from 85.5°c to 50.0°c?

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.