A mixture of 85% n-heptane, remaining methanol gas at 1 bar and 308 K is compressed...

A mixture of 85% n-heptane, remaining methanol gas at 1 bar and 308 K is compressed to a final state at 1220.04 K and 113.575 bar. Estimate the enthalpy and entropy changes for the process using residual properties and by the Lee/Kessler correlations. In its initial state, the system may be assumed an ideal gas.

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Amanda K answered 6 months ago

A mixture of 85% n-heptane, remaining cyclohexane gas at 1 bar and 308 K is compressed...

A mixture of 85% n-heptane, remaining cyclohexane gas at 1 bar and 308 K is compressed to a final state at 1443.47 K and 64.475 bar. Estimate the enthalpy and entropy changes for the process using residual properties and by the Lee/Kessler correlations. In its initial state, the system may be assumed an ideal gas.

A mixture of 85% n-heptane, remaining toluene gas at 1 bar and 308 K is compressed...

A mixture of 85% n-heptane, remaining toluene gas at 1 bar and 308 K is compressed to a final state at 1205.47 K and 63.73 bar. Estimate the enthalpy and entropy changes for the process using residual properties and by the Lee/Kessler correlations. In its initial state, the system may be assumed an ideal gas.

5 moles of ideal gas is initially at 300 K and 5 bar. It is compressed...

5 moles of ideal gas is initially at 300 K and 5 bar. It is compressed to 10 bar at 300 K. This change is carried out by two different reversible processes: A: heating at constant volume followed by cooling at constant pressure B: cooling at constant pressure followed by heating at constant volume Depict these processes on a PT graph. (Hand drawn on engineering sheet would suffice). Calculate ΔU, ΔH, Q, and W requirements for each path. Cv=20.78 J/mol.K...

The dew-point temperature of a gas mixture with a molar composition of 40.0% n-hexane, 25.0% n-heptane,...

The dew-point temperature of a gas mixture with a molar composition of 40.0% n-hexane, 25.0% n-heptane, and 35.0% air at 1.00 atm.

Propane gas at 1 bar and 35°C is compressed to a final state of 135 bar...

Propane gas at 1 bar and 35°C is compressed to a final state of 135 bar and 195°C. Estimate the molar volume of the propane in the final state and the enthalpy and entropy changes for the process. In its initial state, propane may be assumed an ideal gas.

b) Ethane gas at 1 bar and 25 oC is compressed adiabatically to 55 bar in...

b) Ethane gas at 1 bar and 25 oC is compressed adiabatically to 55 bar in a steady-state flow process for which W = 10 J mol-1. Assume ethane is ideal gas at its initial state and the residual enthalpy of the gas at its final state is - 3270 J/mol, and its heat capacity is constant (CP = 4.5 R), the temperature of ethane at the final state, i.e., after compression, is i. 403.3 oC; ii. 403.3 K; iii....

. An ideal gas initially contained at 1 bar and 25ºC, is compressed to a final...

. An ideal gas initially contained at 1 bar and 25ºC, is compressed to a final state of 5 bar and 25ºC. Although the initial and final temperatures are the same, the process is NOT isothermal. Rather, the change of state occurs in two steps. First, the gas is cooled at constant pressure (i.e., 1 bar). Second, the gas is heated at constant volume. Please calculate Q, W, DU, and DH for the two steps. Note: Cp*=29.1 J/mol/K, and 1...

1. If 0.05kg of a gas occupying a volume of 0.03m3 at 1.025 bar is compressed...

1. If 0.05kg of a gas occupying a volume of 0.03m3 at 1.025 bar is compressed reversibly until the pressure is 6.15 bar. Calculate the final temperature, the work done on the gas and the heat flow to or from the cylinder wall when; a. the process is according to a law PV^1.4=K b. the process is isothermal c. the process takes place in a perfectly thermally insulated cylinder.

A mixture of n-heptane (A) and ethyl benzene (B) is to be separated in a distillation...

A mixture of n-heptane (A) and ethyl benzene (B) is to be separated in a distillation column operated at 1 atm. The feed flowrate is 300 mol/h and contains 40 mol% n-heptane. 60 % of the feed is liquid. It is required to obtain an overhead product containing 96 mol% n-heptane and a bottom product containing 5 mol% n-heptane. Find the following: a) The distillate and bottom flowrates b) The minimum reflux ratio c) The minimum number of stages d)...

Air is compressed adiabatically in a piston–cylinder assembly from 1 bar, 300 K to 8 bar,...

Air is compressed adiabatically in a piston–cylinder assembly from 1 bar, 300 K to 8 bar, 600 K. The air can be modeled as an ideal gas and kinetic and potential energy effects are negligible. Determine the amount of entropy produced, in kJ/K per kg of air, for the compression. What is the minimum theoretical work input, in kJ per kg of air, for an adiabatic compression from the given initial state to a final pressure of 8 bar? Note...

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