A 50ºC la presión de vapor de benceno es de 269,3 mm de Hg. Calcular a la misma temperatura, la presión de vapor de una disolución que contiene 1,26 gramos de naftaleno en 25 gramos de benceno.

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

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atomic mass = 39

number of neutrons = 20

number of protons= 19

electronic configuration = 1s2 2s2 2p6 3s2 3p6 4s1

the number of electron in first shell = 2

number of electrons in n=3 shell = 8