Zusammenfassung der Ressource
Chemical Reactions
- 2. Activation energy
- Definition: The amount of
energy needed to get a reaction
started is called the activation
energy.
- Example: A match wouldn't light
up without striking it and by striking
it you are causing a activation
reaction. A candle wouldn't burn
unless you strike a match to it.
- 3. Changing Bonds
- 4. Exothermic Reactions and Endothermic Reactions
- 1. Intro- definition and example
- A teacher heats a small piece of sodium.
When the sodium cathches fire, she
places it in a flask of chlorine. The sodium
continues to burn and eventually withe
fumes are produced.
- It is when substances are
broken apart and making
new ones from the pieces.