In which of the following cases is the vapor pressure of ethanol greatest? A. mole fraction of ethanol in water = 0.10

B. mole fraction of ethanol in water = 0.25

C. mole fraction of ethanol in water = 0.50

D. pure ethanol

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

What are four significant sources of ghgs that come from wostem washington?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)