Chemistry, 14.09.2021 05:00 iamsecond235p318rq
What do these two changes have in common?
dust settling out of the air
sewing an apron
Select all that apply.
Both are only physical changes.
Both are chemical changes:
Both are caused by heating,
Both are caused by cooling.
Answers: 1
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Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
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Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together
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Nthis lab, you will do experiments to identify types of changes. using the question format you learned (shown above), write an investigative question that you can answer by doing these experiments
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If the solubility of a gas in water is 1.22 g/l at 2.75 atm, what is its solubility (in g/l) at 1.0 atm?
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What do these two changes have in common?
dust settling out of the air
sewing an apron
...
sewing an apron
...
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