3. A 30.0 g sample of water releases -600.0 T of heat energy as it is cooled from 100.0°C. If the specific heat of water is 4.184 J/g°C, what is the final temperature of the sample?

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

Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction

Which statement best summarizes the importance of ernest rutherford’s gold foil experiment? it proved that all of john dalton’s postulates were true. it verified j. j. thomson’s work on the atomic structure. it showed that an electron circles a nucleus in a fixed-energy orbit. it showed that a nucleus occupies a small part of the whole atom.