The vapour pressure of pyridine is 50.0 kPa at 365.7 Kand the normal boi ling point is 388.4 K. W hat is the enthalpyof vaporization of pyridine?

Q: 4. The number of degrees of freedom (F) which a system containing C components can have when P…

A: Phase rule is very helpful in the determination of  phase and component and degree of freedom

Q: 1. The vapour pressure of CCl4 at 20°C is 11.9 kPa and its enthalpy of vaporization is 33.0 kJ…

A: Given: The vapor pressure of CCl4 at 20 oC = 11.9 kPa The enthalpy of vaporization = 33.0 kJ mol-1…

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: 4. Why is the free energy of an ideal liquid mixture less than the free energy of the pure liquid?…

A: Freezing-point When less of another non-volatile material is added, the temperature at which a…

Q: Pressure was exerted with a piston on molten naphthalene at 95 °C. The vapour pressure of…

A:

Q: Mixture of liquid toluene (T) and benzene (B) form ideal solutions at 60˚C. The vapour pressures of…

A: To determine the mole fraction of B in a liquid mixture which has a vapor pressure of 0.400 bar at…

Q: What is the Gibbs energy of mixing 7.5 mol of gas A with 7.0 mol of gas B at 1 atm, 39.3 oC? Enter…

A: To calculate the Gibbs energy of mixing, we will use the formula for the Gibbs energy of mixing for…

Q: An open vessel containing (a) water, (b) benzene, (c) mercury stands in a laboratory measuring 5.0 m…

A:

Q: Ethanol, CH3CH2OH, and dimethyl ether, CH3OCH3, have the same compositional formula, i.e, C2H6O.…

A: Ethanol, CH3CH2OH has lowest vapour pressure than dimethyl ether, CH3OCH3 .

Q: Given N2 (g) + 3 H2 (g) 2 2 NH3 (g) AG° = -32.90 kJ At 25.0°C, calculate the change in Gibbs energy…

A: The given reaction is,

Q: 4. In the phase diagram of pure ammonia, NH3, the solid-liquid coexistence line can be expressed as…

A: The co-existence of liquid-vapor and solid-liquid are present at a particular point. This point is…

Q: Phenol and water form non-ideal liquid mixtures. When 7.32 g of phenol and 7.95 g of water are mixed…

A: When phenol is dissolved in water, the mixture is not completely immiscible. Part of the phenol gets…

Q: 6. [] You have collected a tissue specimen that you would like to preserve by freeze drying (Dr.…

A: Freeze drying is a low-temperature dehydration process that freezes the product by lowering the…

Q: The vapour pressure of n-propanol is 1.94 kPA at 293 K and 31.86 kPa at 343 K. Estimate the enthalpy…

A:

Q: At a particular temperature, the vapour pressure of acetone is 0.2270 bar. Suppose the temperature…

A: The given reaction is as follows: CH3COCH3(l) ⇌ CH3COCH3(g) ∆vapH°=29.11 kJmol-1=29110 Jmol-1 The…

Q: At 25 °C, the equilibrium vapour pressure of ethanol is 0.0821 bar. The standard enthalpy of…

A: Given that, The initial temperature is T1 = 25oC = (273+25) K = 298 K, The initial vapour pressure…

Q: . At 25°C, the equilibrium vapour pressure of benzene is 0.133 atm. If the AHⓇ for the vapourization…

A: This problem is solved by using Clausius clapeyron equation, ln ( ) = where P1 is the vapour…

Q: boiling point of 78.4 °C. Part A What is the vapour pressure of ethanol at 12 °C? (Hint: a normal…

A: The question is based on the concept of physical chemistry. We have to calculate vapour pressure of…

Q: Calculate the fugacity (f) of carbon dioxide gas at 75.0 bar and 273 K. The van der Waals constants…

A: Fugacity measures the deviations from ideal gas behavior in real gases in terms of the effective…

Q: Consider a container of volume 100 L which is divided by the partition into the two compartments of…

A: The formula for Gibbs energy of mixing is- ∆mixG=nRT(xAln xA+xBln xB)…

Q: The variation of the vapour pressure of methylbenzene may be written as ln(p/kPa) = A - B/T, with A…

A: Given : ln(P) = A - BT where A = 17.17  B = 4713 K T = temperature in K And P = pressure in KPa…

Q: Consider liquid water (Sm = 69.91 JK-'mol-') and ice (Sm = 37.99 JK-'mol-') in equilibriumat 0\deg C…

A: To calculate the difference in molar Gibbs energies (ΔG) of liquid water and ice when the…

Q: At a particular temperature, the vapour pressure of acetone is 0.2482 bar. Suppose the temperature…

A:

Q: Pure liquid A has vapor pressure 200. bar and pure liquid B has vapor pressure 100. bar. In an AB…

A: According to Raoult's the vapor pressure of component A above a solution is equal to the product of…