No Attempt What is the second thinnest coating of magnesium fluorite, which has an index of refraction of n = 1.38, that would be non-reflective for this wavelength? Assume the index of refraction of the lens is bigger than 1.38, and enter your answer in nanometers.

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane