The normal boiling point of a 5-molal solution of sodium chloride in water is found to be 379.2 K. What will be the boiling point of the solution at 70kPa ? The vapour pressure of water is given by In P = 16.26205 3799.887 T - 46.854 where P is in kPa and T is in K. Assume that the relative vapour pressure is independent of temperature.

Q: Q.1: n-hexane boils at 68.7 °C at 1.013 bar and the heat of Vaporization is 28850 J/mol. Calculate…

A: Note We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: 8. A mixture containing 30 wt % sodium hydroxide and 70 wt% water is in equilibrium with a water…

A: To find the boiling temperature of the mixture, you can use the concept of Raoult's law for ideal…

Q: An ideal gas, with temperature-independent CP = (7/2)R, at 15oC and having an initial volume of 60…

A: Given that, Specific heat CP = 72R Initial temperature T1 = 15oC = 288 K Initial volume V1 = 60 m3…

Q: THERMODYNAMIC TABLES AG Values AH: Values Substance kJ/mole Substance kJ/mole co (g) -137 -110 co(s)…

A:

Q: Oil reservoirs below ground frequently are in contact with underground water and, in connection with…

A: Initial pressure = 1 bar  Initial temperature = 140°c  X1 = 35 × 10-4  f1 = H(T) × X  Final pressure…

Q: The isotherm representing the critical temperature is tangent to and has an inflection point at the…

A: Given that the isotherm is tangent to the critical point an it also has an inflection point there.…

Q: At 321.55 K, liquid and vapor phases of ammonia coexist in a state of equilibrium and exert a…

A: Temperature T = 321.55 K Pressure P = 1.95 MPa molar volume of ammonia vapor and ammonia liquid at…

Q: The heat capacity of a substance is given by the following equations: Cp(s) = 30.5 x 10-4 T2 (100 K…

A: Heat capacity is the ratio of the amount of heat energy transferred to an object to the resulting…

Q: Q1. An air in a cavern of 70000 m3 and at 30° C is to be compressed from the atmospheric pressure to…

A:

Q: Problem #1 The relationship between temperature in Fahrenheit and Celsius is linear. Water is…

A:

Q: The substances below are described by the given states, indicate if ideal gas behavior can be…

A:

Q: Assume that 1 mole of water is at atmospheric pressure and a temperature of T = 22°C. Assume the…

A: Gibb's free energy change is related to change in pressure and temperature by following equation dG…

Q: The critical temperature of gas TOS is -52 deg Celsius. If the value of its Van der Waals constant b…

A: Critical temperature of gas = -52 0C Van der Waals constant, b = 1.1 × 10–5 m3/n

Q: 5 moles of air are allowed to expand isothermally at T=300 K from 20L to 50 L. If air obeys the van…

A:

Q: en in the table below. Temperature (K) 110 120 tropy change: Pressure (MPa) 0.3057 Incorrect 0.5 1.0…

A: The entropy change can be calculated from combining first and second law.

Q: The vapour pressure of water (kPa) is represented by the equation log ps +B-e-20(7,-6)² T where A =…

A:

Q: In a petrochemical industry, ethane is stored in a 3300 L vessel at a pressure, 22 bar and…

A:

Q: Problem #1 Given: The relationship between temperature in Fahrenheit and Celsius is linear. Water…

A:

Q: P5. Supercooled water II In an isolated container, which has cooling tubes built in the walls, an…

A: The heat released when the supercooled liquid freezes (Q)= m Ci ( ∆T) m= mass of the ice  Ci=…

Q: Q6: knowing that the critical point is a root of the cubic equation, i.e. Thus, (V-Vc)³ = 0…

A: Given,

Q: Soru 12 Very pure liquid water can be subcooled at atmospheric pressure to temperatures well below…

A:

Q: Q5/ Over a 30 m length of a 150 mm vacuum line carrying air at 295 K, the pressure falls from 0.4…

A: Given- L=30m D=150mm T=295K P1=0.4 kN/m2 P2=0.13 kN/m2 ε/D=0.003 μair=1.8×10-5Pa.s Find-flow rate

Q: Question 3 Two and a half moles of air (80% nitrogen and 20% oxygen by volume) at 305.15 K is…

A:

Q: 3. An insulated 4 m3 evacuated tank is connected to a 4-MPa 600°C steam line. A valve is opened and…

A:

Q: Problem #1 The relationship between temperature in Fahrenheit and Celsius is linear. Water is…

A: Temperature of a system gives the idea whether it is hot or cold. It is a physical quantity.…

Q: we were told to take the derivative with reapect to entropy and that would give us the slope of thr…

A:

Q: Q3) The change of heat capacity with temperature for solid aluminum is as follows: GU/K mol) = 20.67…

A: Entropy is the measure of the degree of randomness or disorderness. If the randomness of the system…

Q: A sample of 2.00 mol of diatomic perfect gas molecules at 250 K is compressed reversibly and…

A:

Q: Please select all answers that apply: a) Gibbs function is a property function. b) Gibbs function…

A: Solution 2 Gibbs Function  Gibbs free energy, also known as the Gibbs function, Gibbs energy, or…

Q: (a) Write equations for the thermodynamic potentials dU, dH, dA and dG as a function of natural…

A:

Q: Problem 3. A cylinder closed with a piston is filled with the saturated water vapor at T=100°C. The…

A: Considered a cylinder closed with a piston is filled with the saturated water vapor and the vapor is…

Q: The boiling point of compound X is 12°C and its enthalpy of vaporization is 24.6 KJ/mole. What is…

A: The boiling point of the compound=12oC=285.15K The enthalpy of vaporization(∆H)=24.6kJ/mole To…

Q: from a lattice site to an interstitial position and let n be the number of atoms occupying…

A: Following subparts to be answered.

Q: Using the steam table, determine the enthalpy change of 1 kg of water for each of the following…

A:

Q: 5. A rigid insulated tank is separated into two rooms by a stiff plate. Room A of 0.5 m3 contains…

A:

Q: When estimating the specific entropy of compressed water at a given pressure and temperature, it is…

A: Solution:- False We know that entropy =  ∆Q/T Here T is different for compressed liquid and…

Q: At its normal boiling point (355.5 K), 2-propanol ((CH3)2CHOH) has AvapH = 39.85 kJ/mol, and the…

A:

Q: In general, real gases behave most ideally at temperatures and The behavior of real gases can be…

A: Real gas behavior is given by Van der Waals equation: P+n2aV2V-nb=nRT   Gas a (L2 atm/mol2) b…

Q: Q2) Nitrogen gas containing a hydrocarbon at a relative saturation of 3.8% at 750 mmHg absolute and…

A: Given that, Relative saturation = 3.8% Pressure P = 750 mm Hg Initial temperature Ti = 300 K 90% of…

Q: alculate the value of Residual Enthalpy (HR) and Residual Entropy (SR) for an equimolar

A: Residual properties like enthalpy, entropy is the difference between the ideal properties and actual…

Q: For superheated water at 112.4°C and 1.0 atm, solve for the enthalpy, entropy and free energy…

A: Given: Water at 112.4°C and 1.0 atm, 44.4g vaporizes at 1.00 atm

Q: After a cooler is initially emptied, it is slowly filled with R-134a. The coolant volume is 0.02 m'.…

A:

Q: Calculate the saturated liquid molar volume with the Soave/Redlich/Kwong (SRK) equation for…

A:

Q: QUESTION 6 An organic compound has a boiling point of 112.5°C with enthalpy of vaporization being…

A: