Presentation on theme: "Aluminum Can you believe that the metal used in coke cans once went for $545 per pound? Then a man named Charles Hall came up with a better way of extracting."— Presentation transcript:
Aluminum Can you believe that the metal used in coke cans once went for $545 per pound? Then a man named Charles Hall came up with a better way of extracting Aluminum. He later founded the Alcoa Aluminum Company of America.
Balancing Equations Part 3
Equilibrium- when no net change occurs in the amount of reactants and products.
Dynamic equilibrium- Normally in chemical reactions products and reactants form at the same rate. Dynamic is when opposite actions are taking place at the same rate.
Soluble- When a compound will dissolve in a liquid.
Insoluble- When a compound will not dissolve in a liquid.
Activation energy- Amount of energy the particles must have when they collide.
Speed of reaction - 5 things that affect it:
1. Temperature - Heat increase most reactions.
2. Concentration- Amount of substance present. Greater concentration the faster. Limiting reactant - reactant there is not enough of to react completely.
3. Catalysts- Substance that speeds up the rate without being permanently changed or used up itself. (Ex: enzymes used by your body to breakdown your food for energy)
4. Inhibitor - Substance that slows down a reaction.
Stirring Mixing molecules so they can react faster.