Chemistry, 15.12.2020 18:10 StephenCurry34
A water molecule is made up of one oxygen and two hydrogen atoms. Why is water considered a pure substance?
- Water can be combined with other substances by physical means.
- Water molecules are made up of different types of atoms.
- Water can not be broken down by physical means.
- Each water molecule has an identical composition and properties.
Answers: 1
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Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.
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How might this scientific phenomena be explained? a paper clip floats on water.
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For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.
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A water molecule is made up of one oxygen and two hydrogen atoms. Why is water considered a pure sub...
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