Una nueva marca de bebidas disuelve frutosa (C6H12O6) en etanol (C2H5OH) como endulzante, con el fin de cumplir con los controles de calidad, la mezcla debe tener 21.4% en masa y una densidad de 0.81 g/mL. Determina el punto de congeliación y ebullición y la presión de vapor de la mezcla final a 25 °C.

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?

Why protons do not repal in the nucleus