Question

1. Calculate the amount of energy released in the formation of one mole of BeS bonds...

1. Calculate the amount of energy released in the formation of one mole of BeS bonds (not lattice energy). The radius of the beryllium ion is 0.31 Å, and the radius of the sulfide ion is 1.84 Å. Note that 1Å=10−10m.

2. Arrange the following ionic compounds in order of decreasing amount of energy released in lattice formation: LiF, CaS, GaN, and RbBr.

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Answer #1

1. The ennergy releasedin theformati on of onemole of BeScan be calculatedby using Coloumbs law 28 where, kis constant 2.31x

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