A 40kg cart starts at the top of a 100 meters track what is the potencial eneargy

Write the complete balanced equation for the reaction between lead (iv) oxide (pbo2) and water (h2o).

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 forms when chemical reactions combine pollution with sunlight?