Freezing is a physical change. Assume the same amount of heat energy is added to each. Multiple Choice Place an X across the letter that corresponds to your answer to each question. Molecules are far apart and free to move past one another independently. Molecules are far apart and in a set pattern.
Molecules are close together and in a set pattern.
Molecules are close together and free to move past one another. If you consider a very small portion of a sample that is the same throughout, the density of the small sample will be compared to the original sample. The object weighed 24.8 g. Use dimensional analysis to set-up and solve the following problem. You are given three samples of material, each labeled with its identity.