How would one make a 2 M solution of a compound? A. By dissolving 1 molar mass of the compound in 2 L of water
B. By dissolving 2 moles of the compound in 1 L of water
C. By dissolving 1 mole of the compound in 2 L of water
D. By dissolving 2 g of the compound in 1 L of water

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.

What is the temperature of one mole of helium gas at stp?

Using the periodic table, complete the table to describe each atom. type in your answers