Which of the following is a phenotype?
A. Aa
B. Black hair
C. DNA
or D. Heterozygous

Light waves travel than sound waves.

At a given temperature, the vapor pressure of heptane is 92.0 torr and the vapor pressure of octane is 31.2 torr. assuming ideal behavior, what is the vapor pressure of a solution that contains three times as many moles of octane as heptane?

Amixture of benzene and toluene has a total vapor pressure at 25°c of 45.06 mmhg. what is the partial pressure of benzene in this solution? the vapor pressure of pure benzene and pure toluene at 25°c are 95.03 mmhg and 28.40 mmhg respectively.