Chemistry, 13.03.2020 06:03 keeks11

. The following liquids, all at atmospheric pressure and 300 K, are mixed: 25 kg of pure water, 40 kg of pure sulfuric acid, and 75 kg of 25-wt-% sulfuric acid. (a) How much heat is liberated if mixing is isothermal at 300 K? (b) The mixing process is carried out in two steps: First, the pure sulfuric acid and the 25-wt-% solution are mixed, and the total heat of part (a) is extracted; second, the pure water is added adiabatically. What is the temperature of the intermediate solution formed in the first step?

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. The following liquids, all at atmospheric pressure and 300 K, are mixed: 25 kg of pure water, 40 k...