** Note that there are TWO questions here (part 1 and part 2, typed out below it...)
2) Be careful when you heat your gasoline up... if you get it up to 230 degrees C, it won't just be a gas, it will actually ignite. And when it ignites, that is a chemical reaction -- not just a physical change. If you make it hot enough to ignite, then you can't keep telling a story about a sample of gasoline... why not? (Explain, using at least 2 complete sentences)
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