Calculate the mole fraction of kr
Calculate the mole fraction of Kr and its concentration in partsper million by volume.( Kr composition % by volume is 0.00014)
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Calculate the amplitude at point on the string a distance of 25.0 from the left-hand end of the string.
Spattering does occur and some of the sample is lost onto the laboratory bench. Will the reported mole ratio of tin to oxygen be too high, too low, or unaffected? Explain.
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Determine the total rate of coal consumption (kg/s) Qin = mfuel * heating value of fuel, the fraction of the total coal mass used to operate the super-heater (%).
A 1.5kg rock is released from rest at the surface of a calm lake. If the resistance offereed by the water as ther rock falls is directly porportional to the rock's velocity, the rocks acceleration is a=g-C(d) v/m, where g is the acceleration fo gr
Determine, a) the minimum mass flow rate of water that must be diverted from the river and through the condenser (kg/s), b) the temperature of the river downstream (Tdown) of the power plant.
Light has a wavelength of 228.2 nm and a frequency of 7.575 x 1014 Hz when traveling through a certain substance. What is the refraction index of this medium? Use 2.998 x 108 m/s for the speed of light in a vacuum.
A bullet is fired vertically upward and reaches a height of 2150m. What is it's initial velocity and how long does it take to reach it's maximum height?
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