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LOSPICNOMEWTROS SON INSTRUMENTOS EMPLEADOS PARA CALCULAR DENSIDADES DE SUSTANCIAS LIQUIDAS. SE REALIZO UN EXPERIMENTO PARA DETERMINAR LA DENSIDAD DE UNA SUSTANCIA DESCONOCIDA EN EL LABORATORIO ENCONTRANDO LOS SIGUIENTES VALORES (Picnómetro vacío 8,5g) (Picnómetro lleno 25g) (Capacidad Picnómetro 25mL) . CUAL ES LA DENSIDAD DE LA SOLUCIÓN
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Chemistry, 21.06.2019 20:30
Five students had to answer the question how are elements arranged in a periodic tabledamon: i think the elements are arranged by increasing massflo: i think the elements are arranged according to their properties sienna: i think the elements are arranged by when their discovers kyle: i think the elements are arranged according to how common they areglenda: i don't agree with any of themwho is right
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Chemistry, 22.06.2019 14:50
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Chemistry, 22.06.2019 17:10
)benzene and toluene form nearly ideal solutions. consider an equimolar solution of benzene and toluene. at 20 °c the vapour pressures of pure benzene and toluene are 9.9 kpa and 2.9 kpa, respectively. the solution is boiled by reducing the external pressure below the vapour pressure. calculate (i) the pressure when boiling begins, (ii) the composition of each component in the vapour, and (iii) the vapour pressure when only a few drops of liquid remain. assume that the rate of vaporization is low enough for the temperature to remain constant at 20 °c.
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LOSPICNOMEWTROS SON INSTRUMENTOS EMPLEADOS PARA CALCULAR DENSIDADES DE SUSTANCIAS LIQUIDAS. SE REALI...
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