Chemistry, 26.08.2021 18:30, jazionaemontgomery
Which of these are PHYSICAL changes?
Π.
cutting, tearing, freezing, thawing, folding.
mixing without chemical changes
B.
burning, rusting, forming a new substance from
two different substances, exploding, cooking
Answers: 3
Chemistry, 22.06.2019 02:30, rileyeddins1010
List four observations that indicate that a chemical reaction may be taking place
Answers: 1
Chemistry, 22.06.2019 14:30, joejoefofana
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββ pb(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.
Answers: 3
Chemistry, 23.06.2019 03:30, elijahjacksonrp6z2o7
In general metals get as you move from left to right across the periodic table.
Answers: 1
Which of these are PHYSICAL changes?
Π.
cutting, tearing, freezing, thawing, folding.
...
cutting, tearing, freezing, thawing, folding.
...
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