Atomic emission spectra are produced when the light emitted by an element passes through a prism. which of the following statements is true regarding these spectra?

a. all elements produce the same atomic spectra.
b. elements produce continuous spectra.
c. elements produce spectra with only a few distinct lines.

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Acandle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by wax. which is the most important property of covalent compounds that makes them useful for making candle wax? a low boiling point a low melting point a high boiling point a high melting point