Determine the number of moles of potassium in 7.5 x 10^25atoms of Potassium (K).

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Which of the following statements is false regarding aromaticity? a. the compound must be cyclic b. the compound must be fully conjugated c. the compound must be planar d. the number of electrons in the pi system must satisfy the hückel 4n+2 rule e. the compound must have a neutral charge

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin