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a particle has a velocity of 33 of the speed of light if the wavelength of the particle is 15 x 10-10 m calculate the
in a chemical reaction c2h6o pcl3 aelig c2h5cl h3po3 when the reaction was carried out the actual yield of c2h5cl was
calculate the ph of a 160 m kbro solution ka for hypobromous acid hbro is 20 times
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