subject
Chemistry, 31.08.2019 07:30 eri85

Steve, sarah, richard, and kate each run paper chromatography on unknown liquids. steve gets a red band, sarah gets a yellow band, richard gets a green band, and kate gets a yellow band and a blue band. which student might have had a mixture?
steve
sarah
richard
kate

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 21:50
H2so4(aq) + mg(s)—> mgso4(aq) +h2(g) which substance is the acid in the reaction?
Answers: 3
question
Chemistry, 22.06.2019 10:50
How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)
Answers: 2
question
Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
Answers: 1
question
Chemistry, 22.06.2019 16:10
Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
Answers: 2
You know the right answer?
Steve, sarah, richard, and kate each run paper chromatography on unknown liquids. steve gets a red b...
Questions
question
Mathematics, 05.03.2021 20:00
question
Chemistry, 05.03.2021 20:00
question
Mathematics, 05.03.2021 20:00
question
Mathematics, 05.03.2021 20:00
question
Mathematics, 05.03.2021 20:00