Can you me balance these chemistry equations? i need to be done by 8pm and it's 7: 17pm

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

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Based on its chemical properties, identify the position of each chemical family on the periodic table.