Chemistry, 30.04.2021 03:00, aryanaengel44
25) In a certain area where there are many farms, the groundwater levels have dropped by as much as 10 m over a period of 30 years. The main cause behind this is MOST LIKELY
A) the evaporation of water from aquifers.
B) the excessive pumping of water through wells.
C) the leakage of fertilizers from the farms into the aquifer.
D) the construction of a dam to divert water into a reservoir.
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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, 22.06.2019 18:30, lattimorekeonna1
How many moles of bromine are needed to produce 3.23 moles of potassium bromide
Answers: 1
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