5questions plz answer asap
science
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Answers: 1
Chemistry, 21.06.2019 17:50
Which best describes why nh4+ can form an ionic bond with cl-?
Answers: 3
Chemistry, 21.06.2019 19:30
The ph of carrots are 5.0 how it is classified a.acidic b.basic c.indicator d.neutral
Answers: 2
Chemistry, 22.06.2019 08:30
Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size
Answers: 1
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
Health, 16.10.2019 17:30
Chemistry, 16.10.2019 17:30
Mathematics, 16.10.2019 17:30
Mathematics, 16.10.2019 17:30
Mathematics, 16.10.2019 17:30
Mathematics, 16.10.2019 17:30