The first ionization energies (kl/mol) of hydrogen (h), nitrogen (n), fluroine (f), and oxygen (o) are 1,312, 1,402, 1,742, and 1,314, respectively. from which electrically neutral atom does it take the least energy to remove the first electron? • hydrogen • fluorine • nitrogen • oxygen

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

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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