-180 Temp (°C) -160 -140 b d -120 100 -80 .60 a с -40 -20 -0 0 20 40 60 80 100 80 60 40 20 Composition (mole%) 100 % mol A 0 % mol B Figure 1. Melting Characteristics of a Mixture

HSS Website X urse Home 5158&HEPID=6b9f9 b2f... 2 010 8 of 21 Review I Constants I Periodic Table actions. Part A 2AuCls (aq) 3Ni(s)3NIC!2 (aq) + 2Au(s) Express your answer as a chemical equation. Identify all of the phases in your answer. ΑΣφ ? Submit Request Answer Part B 2KI (aq) Br2 (1)-2KBr(aq) + I2 (s) Express your answer as a chemical equation. Identify all of the phases in your answer. ΑΣ P Pearson 019 Pearson Education Inc. All rights reserved. | Terms of Use | Privacy PolicyI Permissions Contact Us II F8 F5 F6 F7 F9 F10 F11 F12 & ) 6 7 8 9 0 delete Y U O P II +

P. The normal boiling point of a certain liquid X is 142.70 °C, but when 0.13 kg of barium hydroxide (Ba(OH),) are dissolved in 750. g of X the solution boils at 144.4°C instead. Use this information to calculate the molal boiling point elevation constant K, of X. Round your answer to 2 significant digits. °C-kg OLX = 'x Continue Submit Assignment O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Privacy Center Accessibility EPIC MacBook Pro F3 F8 F10 #3 3. $ 8 R. T. A H と alt pubuwo command option

10-44 Determine the liquidus temperature, soli- dus temperature, and freezing range for the following NiO-MgO ceramic compositions: (a) NiO-30 mol% MgO; (b) NiO-45 mol% MgO; (c) NiO-60 mol% MgO; and (d) NiO-85 mol% MgO. [See Figure 10-8(b).] 2800 2600 2400 L+S 2200 (Ni, Mg)O 2000, 'NiO 20 40 60 80 MgO Mole percent Mg0 (b) Figure 10-8(b) The equilibrium phase diagram for the NiO-MgO system. (Repeated for Problems 10-44, 10-50, 10-53, 10-57, and 10-71.) Temperature (°C)

Practile Problers Table H Vapor Pressure of Four Liquids 200. propanone ethanol 150. water ethanoic acíd 101.3 kPa 100. 50. 50. 75 100. 125 Whet Temperature (°C) Vapor Pressure (kPa) 25

Based on the following data, determine the molecular weight of the unknown solute.  Note the "initial freezing point" refers to the freezing point of the solvent as a pure substance while the "final freezing point" refers to the freezing point of the mixture.  Mass Solvent: 15.000 g FPD Constant of Solvent: 4.9  Mass Solute  2.350 g Initial Freezing Point: 85.3oC Final Freezing Point: 82.4oC Your answer should follow the format: a) ΔT b) Molality of the Solution c) mols of solute  d) Molecular weight of Solute

graph of melting temperature (°C) versus percent stearic acid by mass

A certain substance X has a normal boiling point of 141.7 °C and a molal boiling point elevation constant K,=1.58 °C-kgmol . Calculate the boiling point of a -1 %3D solution made of 1.0 x 10 g of urea ((NH.),CO) dissolved in 950. g of X. Round your answer to 4 significant digits. °C x10 Continue Submit Assignme 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibil MacBook Air 80 DII DD F3 F4 F5 F6 F7 F8 F9 &

II. Freezing point of a pure solid. Data Table. 1. mass of pure naphthalene o la Seode roc 9.571g * 2. Freezing (melting ) point of naphthalene 10.4% III. Molecular weight by freezing point depression. Data Table 1. mass ofunknown * 2. Freezing (melting ) point of solution 12.3°0 Calculation (Carry out to proper number of significant digits.) 1. aT (difference in freezing points of pure naphthalene and solution) AT= on aworpinuU 2. molecular weight of unknown solute AF=Kf•m/ Kf Naph 7.0°%/molal 146

When pure furfural (solvent) is added to a mixture containing 0.2 mass fraction diphenylhexane and 0.8 mass fraction docosane, two separate layers can be obtained. If the composition of the two layers are as shown in the table, how much solvent was added to 500 kg of solution of docosane and diphenylhexane?