Chemistry, 18.11.2019 23:31 Cheyenneross366
Zinc has three major and two minor isotopes. for this problem, assume that the only isotopes of zinc are the major ones, zinc-64, zinc-66, and zinc-68. the atomic mass of zinc-64 is 63.9291 da, that of zinc-66 is 65.9260 da, and that of zinc-68 is 67.9248 da. calculate the atomic mass of zinc from the relative peak intensities in the following spectrum. peak intensity for zinc 64 = 100 peak intensity for zinc 66 = 57.4 peak intensity for zinc 68 = 38.6
Answers: 3
Chemistry, 21.06.2019 13:20
Determine which intermolecular forces are the dominant (strongest) forces for a pure sample of each of the following molecules by placing the molecules into the correct bins. drag the appropriate molecular formula to their respective bins.
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Chemistry, 22.06.2019 00:20
Use the gizmo to find the concentration of the mystery ch3cooh. use the titrant and indicator shown below perform the titration. what is the titrant volume? titrant analyte indicator titrant volume analyte concentration naoh ch3cooh phenophthalein select one: a. 20.0 ml b. 27.0 ml c. 30.0 ml d. 24.0 ml
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Chemistry, 22.06.2019 08:30
Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution
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Chemistry, 23.06.2019 17:10
Two changes are described below. a green banana turns yellow and ripens. a layer of rust forms on an iron nail. which statement is true about the two changes? a) both are chemical changes because new substances are formed. b) both are physical changes because only the physical state of the substances change. c) a is a physical change due to a change of state, but b is a chemical change because new molecules are formed. d) a is a chemical change due to a change of state, but b is a physical change because new molecules are formed.
Answers: 3
Zinc has three major and two minor isotopes. for this problem, assume that the only isotopes of zinc...
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