How many moles are in 22 grams of N2O?

Which statement describes how phase changes can be diagrammed as a substance is heated? the phase is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the phase is on the x-axis. the time is on the y-axis and the temperature is on the x-axis. the temperature is on the y-axis and the time is on the x-axis.

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring