Chemistry, 08.11.2020 16:10 breannaratliff23
The electronic configuration of five elements represented by the letters P, Q,R, S and T are indicated as : P = 1S2 2S2 2P3 , Q = 1S2 2S2 2P3 , R = 1S2 2S2 2P6 , S = 1S2 2S2 2P6 3S2 , T = 1S2 2S2 2P6 3S2 3P5 Without identifying the elements represented by the letters P, Q,R, S,T state which of them belongs to group VI in the periodic table , readily ionize by gaining electron , contains two unpaired electrons in the group state , does not participate readily in chemical reaction
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Chemistry, 21.06.2019 17:50
Which statement is a reason to support population regulation? a) it is unethical for us to control birth control rates b) humans have the freedom to produce as many children as desired c) the gap between the rich and poor has been narrowing since 1960 d) billions more people on the earth will intensify many environmental and social problems
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At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k
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Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?
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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
The electronic configuration of five elements represented by the letters P, Q,R, S and T are indicat...
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