Chemistry, 28.08.2019 11:20 BigGirlsTheBest
Which reaction will occur?
2nabr + i2 mc023-1.jpg 2nai + br2
2fe + al2o3 mc023-2.jpg 2al + fe2o3
2agno3 + ni mc023-3.jpg ni(no3)2 + 2ag
pb + zn(c2h3o2)2 mc023-4.jpg zn + pb(c2h3o2)2
Answers: 2
Chemistry, 22.06.2019 01:30
If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)
Answers: 3
Chemistry, 22.06.2019 17:40
Areaction in which products can react to re-form reactants is
Answers: 1
Chemistry, 22.06.2019 18:30
Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o sncl2•4h2o sncl2•6h2o
Answers: 2
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Which reaction will occur?
2nabr + i2 mc023-1.jpg 2nai + br2
2fe + al2o3 mc023-2.jpg 2a...
2nabr + i2 mc023-1.jpg 2nai + br2
2fe + al2o3 mc023-2.jpg 2a...
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