Chemistry, 19.09.2019 20:30 maustin5323
The density of potassium is 0.862g cm-3 at room temperature, with atomic weight of 39.1g/mol. use only these two parameters together with avogadro’s number calculate: a) how many atoms are there in one cubic centimeter of solid potassium at room temperature? b) potassium has body-centered cubic (bcc) crystal structures. use this fact, together with your answer from part (a) determine the lattice parameter
Answers: 3
Chemistry, 22.06.2019 09:50
Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore
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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+2b⇌c 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 17:00
Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness
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The density of potassium is 0.862g cm-3 at room temperature, with atomic weight of 39.1g/mol. use on...
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