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If the weather report says that it is 60°F outside, the barometric pressure is 28.50 in Hg, and the relative humidity is 85.0%, find the following values.
1) The partial pressure of water
2) The mole fraction of water vapor in the air
3) The dew point
4) The molal humidity
5) The absolute humidity
6) Percentage humidity
Determine the radial acceleration of a point on the outer surface of the 36 inch diameter tires of a jet powered car traveling at 660mph.
in a certain industrial dryer 4 kgh of water is to be removed from a moist material. the drying is accomplished by
A fixed mass of nitrogen gas is stored in a cylindrical tank with an internal diameter of .45m and a length of 1.6m. The pressure and temperature of the nitrogen are 2MPa and 75 degrees Celsius. Determine the mass of the nitrogen stored in the tank.
consider the attic of a home located in a hot climate. the floor of the attic is characterized by a width of l1 10 m
a 1 ton car is climbing a 200 m long uphill road with a slope of 30deg from horizontal. what is the power required to
The refrigerant R-410a is contained in a piston-cylinder device, as shown in the figure, where the volume is 13 L when the piston hits the stops. The initial state of the fluid is -30 °C, 150 kPa, with a volume of 10 L. The entire system is brought i..
The cold cranking amperes (CCA) of a conventional lead-acid automobile battery is the amount of current the battery can provide at 0°F for 30 seconds and maintain at least 1.2 volts per cell (or 7.2 volts for a standard 12-volt battery). If a batter..
an ideal air-standard closed brayton cycle operates between the pressures of 1 atm and p2. intake air to the compressor
draw a free body diagram for each of the two situations. use the "radial" Newton's law to find the tension in the string at each of these situations.
a 10 m3 oxygen tank is at 15 degree c and 800 kpa. the valve is opened and some oxygen is allowed to escape until the
a vapor-compression refrigeration cycle employed in a heat pump uses refrigerant r-134a and provides 15 kw of heating.
a person weighs 180lbs at sea level. the radius of the earth is 3960 mi. what force is exerted on the person by the
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