: The heat of dissociation per mole of gaseous water at 18 °C and 1 atm is 241750 J/mol. Calculate its value at 68 °C. H,0(g) → H2(9) + 0-(9) Data given are Cp(H20) = 33.56 JK-ªmol¬1 Cp(H2) = 28.83 JK-!mol-1 С- (0) %3D 29.12 Jк--mol-1 %3D

Q: The partial pressure of CO2 gas above the liquid in a bottle of champagne at 20°C is 5.5 atm. What…

A: Given data contains, Partial pressure is 5.5 atm. Henry's law constant is 3.7×10-2 mol/L.atm.

Q: What is the heat of dissolution? Write the expression that gives the change of molar heat of…

A: Solution :     Heat gained or lost by the system is calculated by the amount of heat transfer during…

Q: At 25C, the partial molar volumes of ethanol and water in a mixture 12 per cent by mass ethanol are…

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Q: f dissolving 1.5 g of a solute into 100 mL of water caused the temperature of the solution to…

A: The formula of elevation in boiling point is:Here,  is the increase in boiling point, Kb is the…

Q: NB Assume the densities of all solutions are 1.0 g/mL and their specific heat capacities 4.184 J/g…

A: qr = -qsol qsol = m Cp ΔT where m is the mass of the solutionCp = 4.184 J/g .K ΔT = Tf - Ti Enthalpy…

Q: H3C. (k) Og Zn/CH,COOH H3C heat 1R

A: The given reaction is the example of Diels alder reaction. In the second step ozonolysis of alkene…

Q: 2.) Determine the freezing point of benzene (78.11 g/mol) at 100 atm if the normal freezing point is…

A: Given,Normal freezing point of benzene = 5.5 °CEnthalpy of fusion for benzene =9.937 KJ/molDensity…

Q: 9. How many grams of ethylene glycol (C,H,O2) must be added to 1.420 kg of water to produce a…

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Q: (b) (i) Based on the data given in TABLE 1, construct an energy cycle diagram for dissolution of…

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Q: 12. Two charged spheres 10 cm apart attract each other with a force of 3.0 x 10-6N. What force…

A:

Q: Calculate the cryoscopic and ebullioscopic constants for liquid bromine, Br2. You will need the…

A:

Q: 3. (a) The Lattice enthalpy for the solid ionic compound AgBr is +900. kJ/mole.     Write the…

A:

Q: Adding table salt to water elevates its boiling temperature and speeds up the cooking process…

A: moles of salt = 0.291 molmass of solvent i.e. water = 2 kg as the density of water is 1 g/LKb =…

Q: Lattice enthalpy for NaCl is +788 kJ mol¯¹ and AH¸ = −784 kJ mol¯¹. Enthalpy of Hyd solution of NaCl…

A:

Q: (a) Use the following data to calculate the combined heat ofhydration for the ions in sodium acetate…

A: Given that, ΔH(lattice)=763 kJ/mol ΔH(soln)=17.3 kJ/mol To find: Combined heat of hydration for…

Q: The ΔH°soln of HNO3 is –33.3 kJ/mol. 11.0 mL of 14.0 M HNO3 is dissolved in 100.0 mL of distilled…

A: The objective of the question is to calculate the mass of the ice.

Q: q Preq Visited 2req [Review Topics] [References] Use the References to access important values if…

A: B.p of ethanol= 78.500 0C B.p of solution= 78.723 0C Kb of ethanol =1.22 0C/m Mass of ethanol=204.5…

Q: Calculate Kf- the freezing point constant for cyclohexane C6H12 given its enthalpy of fusion is 2.63…

A: Welcome to bartleby!  Introduction :  We have to calculate Kf .

Q: sketch how the entropy of water changes as it is heated from -50 °C to 110 °C at sea level. Show the…

A: The entropy changes with the temperatures are shown in the figure below:

Q: 1. Consider the temperature-composition 110°C). For a 80/20 mixture of toluene to benzene answer the…

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Q: 3. (a) The Lattice enthalpy for the solid ionic compound AgBr is +900. kJ/mole. Write the chemical…

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Q: an aqueous iron(III) chloride solution containing 2.01 x 102 g of water that has a boiling point of…

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Q: A 215 g block of Cu at 505.0°C is plunged into 1.000 kg of water (T = 23.4 °C) in an insulated…

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Q: You are given 10.0 grams of a mixture of NANO3 and KF. You dissolve this mixture in 100.0g of water…

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Q: 3 Ni(s) + N₂(g) + 3 H₂O(g) 3 NIO(s) + 2NH3(g) where K = 6.74 x 10-4 At what partial pressure of…

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Q: At 25°C, some water is added to a sample of gaseousmethane (CH4) at 1.00 atm pressure in a closed…

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Q: CO(g)is dissolved in H,O at 25°C and 0.010 atm. Henry's law constant for this system is 5.80 x104…

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Q: When 0.6403 of g calcium bromide is dissolved in 75.00 mL water, the solution temperature increses…

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Q: From your data in Part 1 of the experiment, you calculate the natural log of the partial pressure of…

A: Given data :

Q: The system water (l) + energy > vapor (g) is in equilibrium at 20 degrees Celsius in a closed…

A: Given: The system water (l) + energy > vapor (g) is in equilibrium at 20 degrees Celsius in a…

Q: When benzene freezes at 5.5°C its density changes from 0.879 g cm−3 to 0.891 g cm−3. Its enthalpy of…

A:

Q: When 80 mg of an unknown white powder found at a crime scene is dissolved in 1.42 mL of ethan…

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