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Considering the process Rb(l) → Rb(g), at 1 atm and 686°C, in this process it is given that Rubidium has a heat of vaporization =69.0 kJ/mol at its boiling pt= (686°C). Compute ΔS for this process?

Determine the current(in ampere) is required to deposit 0.500 grams of Cr metal from a solution of Cr3+ in a period of one hour?

 

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