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.
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A 2.5 kg particle is in simple harmonic motion in one dimension and moves according to the equation
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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