If the triple point pressure of a substance is greater than 1 atm, which two of
ID: 764734 • Letter: I
Question
If the triple point pressure of a substance is greater than 1 atm, which two of the following conclusions are valid? 1) The liquid state of the substance cannot exist. 2) The gaseous state at 1 atm pressure cannot be condensed to the solid at the triple point temperature. 3) The melting point of the solid must be greater than 0 C. 4) The liquid state cannot be maintained in a beaker open to air at 1 atm pressure. 5) The melting point and boiling point of the substance are identical. 6) The solid and liquid states of the substance cannot coexist at equilibrium.Explanation / Answer
2 and 4