Which statement is true about the speed of light waves in a medium? a. depends on the temperature of the light wave b. decreases with a decrease in density of medium c. decreases with an increase in density of medium d. depends on the angle at which the wave strikes the medium.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene