The Triple Point of H₂O Is at 4

question 11

Multiple Choice

The triple point of H₂O is at 4.58 mmHg and +0.01 °C.Some H₂O at -50 °C is heated to 120 °C at a constant pressure of 0.5 atm.The changes of state occurring in this process are:

• A)solid to gas
• B)solid to liquid to gas
• C)liquid to gas
• D)solid to liquid
• E)gas to liquid to solid

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