Use the following data to sketch a P-T phase diagram of sulfur dioxide (SO2): Tc = = 0.0167 bar = 430.3K, Pc = 78.8 bar, Triple pt 197.6K, Ptriple pt kJ normal Tmelt = 200.8K, normal Tpoil = 263. K, AfusşH = 8.619 mol

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(3A) Calculate the Gibbs free energy of mixing for 50.0 g water and 50.0 g ethanol at constant 298 K and1.00 bar. What is it about your answer that tells vou that this mixing is spontaneous?AmixG = NRT (x1 In x1 + x2 In x2)

Suppose that for a certain phase transition of a solid AransV = +1.0 cm3 mol-1 is independent of pressure. By how much does the Gibbs energy of transition change when the pressure is increased from 1 bar to 3.0 Mbar?

Calculate the change in H when one mole of water is heated from 263 to 283 K given the molar capacities inJ.K-1 , Cp(ice) = 2.09 + 0.126T, Cp(water)=75.3, and change in enthalpy at formation is 6000Jmol-1. P=101.32 kPa

A 0.5530-kilogram ice cube at −12.40∘C is placed inside a chamber of steam at 365.0∘C. Later, you notice that the ice cube has completely melted into a puddle of water. If the chamber initially contained 5.950 moles of steam (water) molecules before the ice is added, calculate the final temperature of the puddle once it settled to equilibrium. Assume the chamber walls are sufficiently flexible to allow the system to remain isobaric and consider thermal losses/gains from the chamber walls as negligible.

What is w when 1.83 kg of H20(1), initially at 25.0 °C, is converted into water vapour at 185 °C against a constant external pressure of 1.00 atm? Assume that the vapour behaves ideally and that the density of liquid water is 1.00 g/ml (Remember to include a+or-sign as appropriate.) Enter your answer in acceptable SI units, accurate to 3. significant figures. Use an acceptable Sl symbol for units.

The enthalpy of vaporization of a certain liquid is found to be 14.4 kJ mol−1 at 180 K, its normal boiling point. The molar volumes of the liquid and the vapour at the boiling point are 115 cm3 mol−1 and 14.5 dm3 mol−1, respectively. (a) Use the Clapeyron equation to estimate dp/dT at the normal boiling point. (b) If the Clausius–Clapeyron equation is used instead to estimate dp/dT, what is the percentage error in the resulting value of dp/dT?

Parameters to use for the problems that follow: K = 1.38 × 10-23 J/K q= 1.6 × 10-¹9 coulombs For Silicon at room temperature(T = 300°K): EG = 1.12eV N₁ = = 1 × 10¹0 cm-3 ESi = Ksito (11.8) (8.85 × 10-¹4)F/cm = Hp = 384.62cm²/V - sec, Dp = 10cm²/sec Dn = 32cm²/sec 1230.77cm²/V – sec, flin = Tn = 2.0 × 10-¹sec, Tp = 9.0 x 10-5 sec En = 8.0 × 10-2cm, Ep = 3.0 × 10-²cm 1) A sample of silicon at room temperature and in thermal equilibrium is doped with donor atoms such that ND = 4 x 10¹5 cm-³. Determine the concentration of electrons and holes. ND

What is AG for the decomposition of CaCO3 at 298 K and a partial pressure of CO2 of 4.00x10-4 bar? CaCO3(s) → CaO(s) + CO2(g) AGrxn (298 K, Pco2 = 0.400 mbar) = ??? CO2(g) Compound AG°; (kJ mol·1) CACO3(s) СаО(s) -1129 -604 -394