Two volatile substances, a and b are dissolved in one another and the resulting solution has a vapor pressure of 137 torr. If the mole fraction of b is 0. 230 and the vapor pressure of pure b is 162 torr, what is the vapor pressure of pure a in torr?.

Which of the following must happen in order for productivity to increase? a. production levels remain unchanged while inputs increase. b. production levels rise while inputs decrease. c. production levels fall while inputs increase.

Dan runs a busy desktop-publishing company. his company want to increase its exposure, so it runs a new a new promotion each week. the tool dan most likely choses to publicize this is a promotion is a

Abacterium was found to contain a sequence of atcgggatcct in its genome. a few generations later, the sequence was found to be atcatcct. what type of mutation caused this change in the bacteria? a. duplication b. insertion c. inversion d. translocation