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Classifying the Boiling of Water: Physical or Chemical Change? Justify
Chapter 3, Problem 3(choose chapter or problem)
The boiling of water is a
a. physical change because the water disappears.
b. physical change because the gaseous water is chemically the same as the liquid.
c. chemical change because heat is needed for the process to occur.
d. chemical change because hydrogen and oxygen gases are formed from water.
e. chemical and physical change.
Explain your answer
Questions & Answers
QUESTION:
The boiling of water is a
a. physical change because the water disappears.
b. physical change because the gaseous water is chemically the same as the liquid.
c. chemical change because heat is needed for the process to occur.
d. chemical change because hydrogen and oxygen gases are formed from water.
e. chemical and physical change.
Explain your answer
ANSWER:Step 1 of 2
Option A suggests that boiling is a physical change because water disappears. This is incorrect. In boiling, water doesn't disappear; it changes from a liquid to a gas state, which is still water, just in a different state.
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Classifying the Boiling of Water: Physical or Chemical Change? Justify
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This video tackles the classification of boiling water as either a physical or chemical change, examining the provided options. We conclude that boiling is a physical change, as the water's chemical composition remains the same during the transition from liquid to gas.