Can someone please help with this 4 mark question!

What type of reaction is illustrated? 2c12o5 = 2cl2 + 502

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

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution