Answer:Any change that occurs without altering the chemical composition of a substance is a physical change. Physical changes can include changing the color, shape, state of matter, or volume of a substance. It is crucial to remember that physical changes never alter the chemical makeup.
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i hope that helps u try to figure it out a little bit sorry i couldn't find your answer i didn't have much to go off of
Precipitation :)
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To calculate the percentage of a specific number, you first convert the percentage number to a decimal. This process is the reverse of what you did earlier. You divide your percentage by 100. So, 40% would be 40 divided by 100.
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Answer:The final pressure is 1200 mmHg
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