If 0.25 mol of br2 and 0.55mol of cl2 are introduced into a 3.0-l container at 400 k, what will be the equilibrium concentration of brcl ? ? br2(g)+cl2(g) 2brcl at 400 k, kc= 7.0

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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