Answer to Question #227199 in General Chemistry for gwen

Question

1.In what phase is the substance at 50 °C and 1 atm pressure?

2.At what pressure and temperature conditions will all three phases of the substance be present?

3.What is the normal melting point of the substance?

4.What phase(s) will exist at 1 atm and 70 °C?

5.Label parts A, B, and C.

Answer 1

1.) Liquid

2.) The triple point for water occurs at a pressure of 4.6 torr and 0.01^oC.

3.) If both its normal melting point and its normal boiling point are below room temperature (20°C), the substance is a gas under normal conditions. 

4.) Solid

5 . Solid, liquid, gas