Con el fin de disminuir la temperatura de ebullición del agua contenida en un depósito, se disuelven en el mismo y en una concentración del 3% en peso, una sustancia de formula empírica (C2H6O)n, originándose un descenso en la presión de vapor, a 20 °C, de 0,209 mmHg. ¿Cuál es la temperatura de congelación de dicha disolución?

Which sample at stp has the same number of atoms as 18 liters of ne at stp

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

What is the indicator of the number of ions in solution? the amount of conductivity the amount of precipitate the amount of solute added