We’re being asked to determine whether each change is physical or chemical.
Physical change → there is a change in a matter as it goes from one physical state to another.
Chemical change → atoms rearrange themselves to create a new substance.
Classify each of the following changes as physical or chemical.
a. Natural gas burns in a stove.
b. The liquid propane in a gas grill evaporates because the valve was left open.
c. The liquid propane in a gas grill burns in a flame.
d. A bicycle frame rusts on repeated exposure to air and water.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Physical & Chemical Changes concept. You can view video lessons to learn Physical & Chemical Changes. Or if you need more Physical & Chemical Changes practice, you can also practice Physical & Chemical Changes practice problems.
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Based on our data, we think this problem is relevant for Professor Thota's class at GSU.