Determine the frequency of the light emitted by a hydrogen
Determine the frequency of the light emitted by a hydrogen atom during a transition of its electron from the n=4 to the n=1principal energy level. Where Hydrogen En= -2.18x1018J(l/n2)
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Determine the wave length of a neutron that has a velocity of 200. cm/s ( the mass of a neutron = 1.675 x 10-27kg.
At one instant, force = 7.47 N acts on the 0.191 kg object which consists of position vector of (2.97 -2.97) m and velocity vector (-5.47 + 5.47) m/s. About the origin and in unit-vector notation, determine (i) the object's angular momentum and (i
Explain what would be the density of gaseous silane (SiH4) at 24 °C and 746mmHg? (mass/volume) Discuss in detail.
A transverse wave on a string consists of an amplitude A. A tiny spot on the string is colored red. As one cycle of the wave passes by, determine the net distance traveled by the red spot?
By calculating both of the distances PM and MQ, illustrate that PM=QM (This shows that M lies on perpendicular bisector of line segment PQ, but it doesn't show that M actually lies on PQ)
The frequency of a light wave is similar if the light travels in two distinct media. Supposing that the refraction indices of the two media are 1.099 and 1.368, correspondingly, determine the ratio of the wavelength of the light in the first mediu
Write down an equation that shows the pH dependence on the chromate,CrO42 /dichromate,Cr2O72-, equilibrium system.
Determine the change in molar Gibbs free energy when the pressure is increased by 1bar. The molar volume of liquid water is 18 cm^3/mol at 1 bar and 298 K.
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