Circle A represents a unit volume of 100. Ml of a solution. Which circle (B, C, or D) best represents the unit volume after 200. Ml of solvent has been added?

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

Based on the equation and the information in the table, what is the enthalpy of the reaction?