Chemistry, 07.03.2020 06:59 Sariyahhall1

Periodic table, chemistry questions
who discovered lanthanides. how did they discover it, when did they discover it.

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The element that has the greatest electronegativity is

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Chemistry, 22.06.2019 16:10, sierram298

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.

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Periodic table, chemistry questions
who discovered lanthanides. how did they discover it, when...