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The heat of vaporization of water =40.66 kJ/mol at 100 °C. Compute the quantity of heat that is absorbed/released when 9.00 grams of steam condenses to liquid water at the temperature of100 degree celsius.

The oxidation of 25.0 mL of a solution containing Fe2 requires 26.0 mL of 0.0250 M K2Cr2O7 inacidic solution. compute the molar concentration of Fe2?

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