Chemistry, 10.07.2019 05:00 desscraft30
Agraduated cylinder with just water has a volume of 20.0 ml. when a 25.0 g piece of zinc alloy is added, the new volume is 23.2 ml. what is the density of the zinc alloy? (write your answer to 2 sig figs)
Answers: 1
Chemistry, 21.06.2019 21:10
Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?
Answers: 2
Chemistry, 22.06.2019 00:40
During which time interval does the object travel approximately 10 meters
Answers: 3
Chemistry, 22.06.2019 16:10
Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2bâc at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
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
Agraduated cylinder with just water has a volume of 20.0 ml. when a 25.0 g piece of zinc alloy is ad...
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