Determining the empirical formula of the compound
A 4.05 g sample of a compound containing only C, H, and O was burned completely. The only combustion products were 10.942 g CO2 and 4.476 g H2O. What is the empirical formula of the compound?
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A toxicology studying mustard gas prepares a mixture of .675M SCl2 and .973 M C2H4 and allows it to react at room temperature (20.0 C). at equilibrium [S(CH2CH2Cl)2]=.350 M, calculate Kp.
A mole of photons in the blue visible region of the electromagnetic spectrum has an energy of 2.54 × 10 2 kJ/mol, calculate the frequency in s-1 of the photon. Express answer in scientific notation.
The radius a and the relative refractive index difference ? are to be selected to make this a single mode fibre.Sketch a design characteristic of refractive index difference ? versus core radius for the fibre representing the conditions for singl
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