For a perfect gas with Cp.m = a+ bT + c/T², where a, b, and care certain constants, find expressions for AU, AH, and AS, when n moles of this gas goes from P1, T1 to P2, T2.
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- ality al, g. on te ew led ed in X= A solution was prepared by dissolving 140.0 g of KCl in 315 g of water. Calculate the mole fraction of KC1. (The formula weight of KCl is 74.6 g/mol. The formula weight of water is 18.0 g/mol.) Express the mole fraction of KCl to two decimal places. View Available Hint(s) Submit 5 ΑΣΦ Part B - Use the definition of molality 001 mol/ka 12 of 33 ? P Pearson Review I Constants I Periodic Table A solution was prepared by dissolving 140.0 g of KCl in 315 g of water. Calculate the molality of KC1. (The formula weight of KCl is 74.6 g/mol. The formula weight of water is 18.0 g/mol.) Express the concentration of KCl in molality to two decimal places. ▸ View Available Hint(s) >When gypsum (CaSO4 2H2O) is heated to 433 K, itconverts to the hemihydrate CaSO4 12H2O, and at 463 K, it forms g-CaSO4. Calculate the % weightchanges at 433 and 463 K, and sketch what youexpect to see in a TGA curve.Calculation of the volume of 1.25 M NaOH (aq.) required to extract 1.0 gram of 2-naphthol. Use 20% mole excess of NaOH (i.e. use 1.2 mol of NaOH for every 1 mol of 2-naphthol).