Physics, 17.09.2019 23:10 depinedainstcom
Calculate the pressure exerted by benzene for a molar volume of 1.7 l at 582 k using the redlich-kwong equation of state: p=rtvm−b−at√1vm(vm+b)=nrtv−nb−n2at√ 1v(v+nb) the redlich-kwong parameters a and b for benzene are 452.0 bar dm6 mol−2 k1/2 and 0.08271 dm3 mol−1, respectively. express your answer to two significant figures and include the appropriate units.
Answers: 3
Physics, 22.06.2019 12:30
An ice-making machine inside a refrigerator operates in a carnot cycle. it takes heat from liquid water at 0.0 degrees celsius and rejects heat to a room at a temperature of 19.2 degrees celsius. suppose that liquid water with a mass of 76.3kg at 0.0 degrees celsius is converted to ice at the same temperature. take the heat of fusion for water to be l_f = 3.34*10^5 j/kg.how much energy e must be supplied to the device? express your answer in joules.
Answers: 1
Physics, 23.06.2019 01:30
The flame produced by the burner of a gas (propane) grill is a pale blue color when enough air mixes with the propane (c3h8) to burn it completely. for every gram of propane that flows through the burner, what volume of air is needed to burn it completely? assume that the temperature of the burner is 195.0°c, the pressure is 1.05 atm, and the mole fraction of o2 in air is 0.210.
Answers: 2
Physics, 23.06.2019 01:40
The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
Answers: 1
Calculate the pressure exerted by benzene for a molar volume of 1.7 l at 582 k using the redlich-kwo...
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