Measurement of optical activity
You have a pure sample of 2-pentanol but discover that it does not rotate plane polarized light. The measurement of optical activity is done correctly. What is the most likely explanation?
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Analysis shows that there are 2.50 moles of H2, 1.35 10-5 mole of S2, and 8.70 moles of H2S present in a 12.0 L flask. Calculate the equilibrium constant Kc for the reaction.
SN1 substitution and E1 elimination frequently compete in the same reaction. (a) Propose a mechanism and predict the products for the solvolysis of 1-bromo-1-methylcyclopentane in ethanol.
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Assuming the temperature is constant, predict whether the change in entropy (delta S) is positive, negative or zero during the followings reactions.
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What should be the index of refraction of a transparent sphere in order for paraxial rays from an infinitely distant object to be brought to a focus at the vertex of the surface opposite the point of incidence?
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