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carbon dioxide enters an adiabatic nozzle at 8 mpa and 450 k with a low velocity and leaves at 2 mpa and 350 k using
determine the exergy destruction associated with the process described in prob 12-63 assume t0
determine the enthalpy of nitrogen in btulbm at 400 r and 2000 psia using alpha data from the ideal-gas nitrogen table
consider an ideal gas at 400 k and 100 kpa as a result of some disturbance the conditions of the gas change to 404 k
using the equation of state pv - a rt verify a the cyclic relation and b the reciprocity relation at constant
using the clapeyron equation estimate the enthalpy of vaporization of refrigerant-134a at 40degc and compare it to the
plot the enthalpy of vaporization of steam as a function of temperature over the temperature range 10 to 200degc by
determine the hfg of refrigerant-134a at 50degf on the basis of a the clapeyron equation and b the clapeyron-clausius
calculate the hfg and sfg of steam at 120degc from the clapeyron equation and compare them to the tabulated
using the maxwell relations determine a relation for partspartpt for a gas whose equation of state is pv - b
reconsider prob 12-16 using ees or other software verify the validity of the last maxwell relation for refrigerant-134a
the solubility of nitrogen gas in rubber at 25degc is 000156 kmolm3 middot bar when phase equilibrium is established
consider a gas mixture that consists of three components the number of independent variables that need to be specified
the value of henrys constant for co2 gas dissolved in water at 290 k is 128 mpa consider water exposed to atmospheric
derive a relation for the slope of the v constant lines on a t-p diagram for a gas that obeys the van der waals
nitrogen gas at 400 k and 300 kpa behaves as an ideal gas estimate the cp and cv of the nitrogen at this state using
prove for an ideal gas that a the p constant lines on a t-v diagram are straight lines and b the high-pressure lines
an article that appeared in the reno gazette journal on may 18 1992 quotes an inventor as saying that he has turned
consider a function zx y and its partial derivative partzpartyx under what conditions is this partial derivative equal
consider the function zx y its partial derivatives partzpartxy and partzpartyx and the total derivative dzdx a how do
automobiles are major emitters of air pollutants such as nox co and hydrocarbons hc find out the legal limits of these
it is desired to control the amount of co in the products of combustion of octane c8h18 so that the volume fraction of
a constant-volume tank initially contains 1 kmol of carbon monoxide co and 3 kmol of oxygen o2 no nitrogen at 25degc
tabulate the natural log of the equilibrium constant as a function of temperature between 298 to 3000 k for the
ethyl alcohol c2h5ohg at 25degc is burned in a steady-flow adiabatic combustion chamber with 40 percent excess air that