The substance methane has the following properties: normal melting point: 90.7 k normal boiling point: 109.1 k triple point: 9.2×10-2 atm, 90.6 k critical point: 45.7 atm, 190.7 k a sample of methane is initially at a pressure of 50.9 atm and a temperature of 86.1 k. the pressure on the sample is reduced to 9.20×10-2 atm at a constant temperature of 86.1 k. which of the following are true? choose all that apply

(a) no phase change will occur.
(b) the liquid initially present will solidify.
(c) the sample is initially a solid.
(d)the final state of the substance is a solid.
(e) the final state of the substance is a gas.