the substance neon has the following properties: normal melting point: 24.5 k normal boiling point: 27.1 k triple point: 0.425 atm, 24.4 k critical point: 26.2 atm, 44.4 k a sample of neon at a pressure of 1.00 atm and a temperature of 75.6 k is cooled at constant pressure to a temperature of 18.3 k. which of the following are true? choose all that apply a. one or more phase changes will occur. b. the sample is initially a gas. c. the final state of the substance is a liquid. d. the liquid initially present will vaporize. e. the final state of the substance is a solid.