Phase Changes Answers

The diagram below shows the different phase transitions that occur in matter. Which arrow would most likely represent the phase change that occurs when silver is poured into a mold and cools to become a solid bar?

Consider the temperature versus time graph below.At what temperature is the boiling point of this substance?

Consider the statement below.“When nitrogen is liquefied, heat is released.”Is this statement true or false?

Jean has a sample of a liquid. If she changes the liquid’s phase by

is initially present in a state where its molecules are far apart. During a change of state, its molecules slow down. Which change of state has most likely taken place?

Which example involves a phase change in which heat energy is released by the substance?

The diagram below shows the different phase transitions that occur in matter.Which statement best describes the process that arrow 1 represents?

In which phase transition do molecules move directly from a state involving vibration of particles in a fixed position to a state involving random movement of high-speed particles?

Which best describes the energy change that takes place during deposition?

Consider the temperature versus time graph below.In which region is the substance in both the solid phase and the liquid phase?