The diffusion coefficient of CCl4 in heptane at 25 °C is 3.17 × 10−9 m2 s−1. Estimate the time required for a CCl4 molecule to have a root mean square displacement of 5.0 mm.

Q: The bulk modulus for liquid water at 298 K is 3.4 GPa. If it is assumed that the molecules are…

A: Given:   K = 3.4G Pa = 3.4 x 109 Pa NA = 6.022 x 1023 mol-1

Q: The enthalpy of fusion of a pure substance G at 1 bar and 300K is 40 kJ/mole. Determine the change…

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Q: The variation of the vapour pressure of hexane may be written as In p = A- B/T, with A = 15.77 and B…

A: The expression for vapor pressure has been given in the question. Taking the given values, (a) To…

Q: A chemist mixed 2.3 M of A, 1.6 M of B, and 0.7 Mof C to a sealed container at 750 K: A(g) + B(aq)…

A: Given reaction is :  A (g) + B (aq) <------------->2C (g) , Kc = 9.8 x 10-1  Concentration of…

Q: Z = [2(σP)/kT][8RT/pi(M)]1/2 2A. Based on the kinetic theory of gases, collision frequency is…

A: According to kinetic theory of gases, it is described that gases are large number of individual…

Q: Use the van 't Hoff equation to derive an expression for the slope of a plot of pKa against…

A: SOLUTION: Step 1:   The Van’t Hoff equation can be written as follows:

Q: (a) Discuss the assumption of Langmuir adsorption isotherm. Obtain an expression for the amount of…

A: Langmuir proposed Adsorption isotherm which explains the variation of Adsorption with respect to…

Q: At room temperature, the equilibrium mole fraction of vacancies in a crystal is 10-12. Now the…

A: Chemical potential is defined as the change in energy of the system upon addition or removal of a…

Q: 6. [15] The diffusion coefficient of sucrose molecule in water is 5.22×10-¹0 m² s¹ at 25°C. How long…

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Q: Use the energy of the Q branch (2883.97 cm^-1) to calculate the spring constant of an HCL bond.…

A: The spring constant can be calculated as: ν¯ = 12π c × kμ Where, ν is vibrational frequency k is…

Q: The cohesive energy density, U, is defined as U/V, where U is the mean potential energy of…

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Q: 5C. 2(b) Sketch the phase diagram of the system of NH/NH, given that the two substances do not form…

A: The eutectic point is when a solid solute, a solid solvent, and a liquid mixture all exist in the…

Q: (b) The critical packing parameter for a surfactant is defined as: CPP aole where v is the…

A: Answer

Q: Oxidised chromium Cr2O3 has a diffusion coefficient of 5 ×10−15 cm2s−1 at 730 ℃ and is 2 ×10−9…

A: Introduction: The diffusion coefficient is defined as the measure of the mobility of the diffused…

Q: Explain the principle of electrostatic precipitation in gas cleaning .

A: Precipitation is the process by which a component is removed from a phase or a medium. Electrostatic…

Q: Part C (solvents labeled C): How does the number of hydrogen bonding sites within a molecule affect…

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Q: One of the most recognizable corrosion reactions is the rusting of iron. Rust is caused by iron…

A: The balanced chemical equation for the formation of Fe2O3.6H2O has to be given,

Q: Calculate the mass of ethylene glycol (C₂H6O₂) that must be added to 1.00 kg of ethanol (C₂H5OH) to…

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Q: When the Si—OH groups on a silica capillary wall are converted into Si—O(CH2)17CH3 groups, the…

A: Electro-osmosis is a kinetic process in which the transport of bulk fluid through a porous membrane…

Q: One of the most recognizable corrosion reactions is the rusting of iron. Rust is caused by iron…

A: Rust is caused by iron reacting with oxygen gas in the presence of water to create an oxide layer.…

Q: the partial molar volumes of acetone and chloroform in a mixture in which the mole fraction of CHCl3…

A: In this question we have to use following steps: Mole fraction :    By  using this method we can…

Q: On the assumption that the tension, t, required to keep a sample at a constant length is…

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Q: Polymer PXX has a glass transition temperature of 49°C

A: Glass transition temperatures is a temperatures where polymer glassy nature will break into rubbery…

Q: Estimate the change in the Gibbs energy of 2 g of Argon when  the pressure  is increased from 760…

A: Gibbs free energy depands number of moles, Temperature and change in pressure

Q: For this heterogeneous system 2 A(aq) + 3 B(g) + C(1)=2D(s) + 3 E(g) the concentrations and…

A: we have to calculate the value of equilibrium constant

Q: Cp− ̄Cv=T ̄V β^2/κ reduces to ̄CP− ̄CV=R for an ideal gas.

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: For this heterogeneous system 2 A(aq) + 3 B(g) + C(1) 2D(s) + 3 E(g) the concentrations and…

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Q: Determine the mole fraction of C3H8O and H2O in a solution prepared by dissolving 15g of alcohol in…

A: Given-> Weight of alcohol (C3H8O) = 15 gm Weight of H2O = 100 gm

Q: Why does the chemical potential vary with (a) temperature, (b) pressure?

A: The chemical potential of any substance varies with changes in temperature. It is also dependent on…

Q: The volume of a NaNO3 solution in 1000 g water at 25 °C and 1 atm can be described using the…

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Q: Calculate the thermal expansion coefficient, α = (∂V/∂T)p/V, of diamond given that the (111)…

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Q: (b) Write down the uses and limitations of phase rule. (c) Classify the colloids into different…

A: b)Gibbs' Phase Rule provides the theoretical foundation based in thermodynamics for characterizing…

Q: By what percentage does the root-mean-square separation of the ends of a one-dimensional polymer…

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Q: Chemistry

A: The concept of chemical potential is a fundamental thermodynamic quantity that represents the…

Q: Given that the solubility of any organic material in a given solvent is due to the intermolecular…

A: The given question can be answered by observing the structural aspect and polarity of the solvent…

Q: Estimate the spin-only molar susceptibility of CuSO4⋅5H2O at 25 °C.

A: Spin only molar susceptibility of CuSO4 .5H2O At 25 degre celcius Molar susceptibility= ____? (In

Q: Assume the energy of hydrogen bonds per base pair to be 5.86 kJ-mol-1. Given two complementary…

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Q: Define the flux, J, of a property and describe the rate of migration of a property by flux J, in…

A: In simple words, the concept that a solute will move from a region of high concentration to region…

Q: The half-life is 123 min at 15.0°C. If 138.0 mL of a 0.105 M NH₂NO₂ solution is allowed to…

A: Given, t1/2 = 123 min. The volume of NH2NO2 = 138.0 mL The concentration of NH2NO2 = 0.105 M The…

Q: Calculate the value of the equilibrium constant, Kc, for the reaction                         H2(g)…

A: To calculate the equilibrium constant for a chemical reaction, we need to consider the standard free…

Q: Estimate the diffusion coefficient of the Na+ and Cl− ions in water at 298 K from the molar…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: Explain the effect of temperature on the extent of physical and chemicaladsorption.

A: Adsorption is surface phenomenon. It is concentration of molecules of liquid (or) gas over the solid…