Which would be most helpful to find the normal melting point and normal boiling point on a phase diagram?

Draw a vertical line through the triple point.

Draw a horizontal line at standard pressure (1 atmosphere, or 101.3 kPa).

Locate the region that describes the liquid phase, then trace its border.

Draw a horizontal line across the triple point.

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.