Why then is a diamond extremely hard and sparkly and graphite is soft and gray and dull ?

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

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?