Amount of water from earths surface to clouds position
A certain rain cloud at an altitude of 1.75 km contains (3.20 x 10^7) kg of water vapor. How long would it take a 2.70-kW pump to raise the same amount of water from the Earth's surface to the cloud's position?
Expected delivery within 24 Hours
The turbin develops a power output of 1MW. at the inlet the pressure is 6 MPa , the temeperature is 500c and the velocity is 10 m s-1. calculate the rate of heat transfer between the turbine and the surroundings . Note the relative magnitudes of t
38 When 2.0 g of aspirin was shaken up in a flask containing two immiscible liquids it was found that the mole fractions in the two liquids where 0.11 and 0.18.
During a cold day, it is observed that the appliances all run continuously but the air temperature remains constant. What is the rate of heat loss from the room?
When a pure sample of tert-butyl bromide is analyzed by gas chromatography, two components are usually observed. One of them is tert-butyl bromide, the other one is a decomposition product.
Express the work of isothermal reversible expansion of a vanderwaals gas in reduced variables and find a definition of reduced work that makes the overall expression independent of the identity of the gas.
A sound source of 500 Hz with an acoustic power of 1/10 of a watt how do you find the intensity 1/2 a m from the source, the pressure amplitude, and the magnitude of the specific acoustic impedance assuming the amplitude of the particle velocity i
How does the mass density compare to the density of individual neutrons (take them to have a radius of 2.3 attometers.
A copper penny has a mass of 3.1 g. Being electrically neutral it contains equal amounts of positive and negative electricity.
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