Chemistry, 15.10.2019 11:20 ryanmorse01
If you make an electromagnet using a battery circuit and a steel nail, how can you increase its magnetic strength? a. replace the nail with a copper rod b. wrap more coils of wire around the nail c. use a longer nail d. remove the plastic insulation from the wire coil
Answers: 3
Chemistry, 22.06.2019 14:30
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.
Answers: 3
Chemistry, 22.06.2019 14:50
Which of the following is most likely true about water in chemical solutions?
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What type of context clue you understand the meaning of quandary?
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Chemistry, 23.06.2019 01:30
Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity
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If you make an electromagnet using a battery circuit and a steel nail, how can you increase its magn...
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