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3A) Steam was heated within a set of pipes at a pressure of 88.6 psi. The...


3A) Steam was heated within a set of pipes at a pressure of 88.6 psi. The enthalpy of vaporization, Hv, for water is 44.01 KJ/mole. According to the Claussius-Clapeyron model, the boiling point for water at this pressure is:
(a) 309 oC​ (b) 154 oC​ (c) 100 oC​ (d) 144 oC


3B) A 155.0 mL portion of aqueous phosphoric acid solution was completely neutralized by 45.38 grams of Lithium hydroxide. The chemical equation is:
3 LiOH (s) + H3PO4 (aq) à Li3PO4 (s) + 3 H2O (l)
The concentration of the phosphoric acid, in molarity, is:
(a) 4.075 M​ (b) 1.611 M​ (c) 11.40 M​ (d) 3.942 M



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