Chemistry, 02.09.2021 01:30 iiMxlissaii
Which question can be used to form a hypothesis?
A: How many different kinds of germs are on my hand?
B: Why is the sky blue?
C: Do cats or dogs sleep more?
D: All of the above.
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What happened to the amount of carbon dioxide in the atmosphere from 2010β2017?
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Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββpb(s)fe3+(aq)+3eββ½βββfe(=6.2Γ108=4.0Γ10β5=9.3Γ10β3 cu + ( aq ) + e β β½ β β β cu ( s ) k =6.2Γ 10 8 pb 2 + ( aq ) +2 e β β½ β β β pb ( s ) k =4.0Γ 10 β 5 fe 3 + ( aq ) +3 e β β½ β β β fe ( s ) k =9.3Γ 10 β 3 arrange these ions from strongest to weakest oxidizing agent.
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How does the attraction between particles affect the ability of a solvent to dissolve in a substance
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Which question can be used to form a hypothesis?
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