ali 83% ppun21@ole. COR Melting Point Ranking Highest Melting Point CaCl2 2. KI PCI3 CH4 HO HN Cl2 4 VIEW SOLUTION C TRY AGAIN 06/20 2 O v Apnop 1,95
Q: 1400 Mo [D] H. [C] Pressure (in mm Hg) 1000 [A] 800 600 400 [B] E. 200 - 20 60 100 140 180 260…
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- see the graph and determine/give the ff: a. 1 eutectic point (temp and composition) b. 1 peritectic point (temp and composition) c. melting point of Mg2SiO4Melting point (Tm): -94.9C Boiling point (Tb): 110.7C a.) Using the data, find the vapor pressure of toluene at 20C in units of mol/L b.) What is the enthalpy of vaporization (∆?vap ) for toluene in kJ/mol?Consider the data in the table. Compound Melting point (°C) ????? (??/???)ΔHfus (kJ/mol) Boiling point (°C) ????? (??/???)ΔHvap (kJ/mol) HFHF −83.11 4.577 19.54 25.18 HClHCl −114.3 1.991 −84.9 17.53 HBrHBr −86.96 2.406 −67.0 19.27 HIHI −50.91 2.871 −35.38 21.16 Using the data in the table, calculate Δ?fus and Δ?vap for HF. Δ?fus= J/(K⋅mol) Δ?vap= J/(K⋅mol) Determine the entropy change when 8.70 mol HF(g) condenses at atmospheric pressure. Δ?= J/K
- Barium titanate (BaTiO3) is an ionic solid with a density of 6.02 g/cm3. Its structure is described by orthogonal basis vectors (i.e. at 90 degrees to each other) with lattice parameters of a = b = 0.3992 nm and c = 0.4036 nm.a) What crystal system does barium titanate belong to, based on the above information?Explain your answer. b) Find the number of Ba, O, and Ti atoms per cubic centimeter in barium titanate (i.e.provide a value for each element). c) Sketch and label the (111) plane of BaTiO3 with its atoms and dimensions.1.At -185°C and 1 atm ethane (MW = 30.07 g/mol) exists as a solid with a FCC structure. Using the data provided below: E/k=194.1K, bo=0.1794 m3/kmol Determine the diameter of one molecule of ethane (in angstroms). 2. What is the void fraction? 3. Find the density of the solid etahne. 4. Calculate the distance of separation (in m) between two ethane molecules when the potential energy is at a minimum. 5. At the separation distance calculated in part (4), determine the minimum value of the potential energy between two molecules (in J).At 25 C, how high will water rise in a glass capillary tube with an inner diameter of 0.63 mm? Refer to Example 10.4 for the required information.
- The vapor pressure of 1-chlorotetradecane at several temperatures are tabulated below. T (ºC) P∗ mm Hg 98.5 1 131.8 5 148.2 10 166.2 20 199.8 60 215.5 100 Use the calculated values for ln(P∗)ln(P∗) to estimate the vapor pressure at 185°C.The sublimation pressures of solid Cl2 are 352 Pa at -112oC and 35 Pa at -126.5oC. The vapor pressures of liquid Cl2 are 1590 at -100oC and 7830 at -80oC. Calculate (a) △subH, (b) △vapH, (c) △fusH, and (d) the triple point. Answer: [31.4 kJ mol-1 ; 22.1 kJ mol-1 ; 9.1 kJ mol-1 ; -102oC]A liquid rises to a height of 1.50 cm in a capillary tube. What is the radius of the tube if the density and surface tension of the liquid are 1.80×10³ kg/m³ and 0.135 N/m respectively?
- #55. Distinguish between isotonic and isometriccontractions.??.a. How much methylcellulose 1500 should be weighed? viscosity for a suspension is 750 cps. Note 25-50% of the Rx volume comes fro cherry syrup : the remainder of the volume come from the methylcellolose. b. what volume of water should be added to hydrate the methylcellulose?Properties of ABE Materials 1.) prediction methods in determining density
