Calcule la fracción molar de agua y etanol en la mezcla del destilado de la probeta. considere como temperatura del ambiente, 30°C.

How many molecules are found in 1.32 mol of nacl?

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)

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.