Chemistry - C2 4.1 How Fast?

Comparing the rates of everyday chemical reactions                                    

High Rate:

• Firework exploding
• Mentos in coke

Medium Rate:

• Boiling egg
• Baking sponge
• Baking potato

Low Rate:

• Cement (concrete hardening)
• Tree
• Rust

Defining rate of reaction

• The rate of a chemical reaction can be found by measuring the amount of reactant used in a fixed time
• Rate of reaction:                amount of reactant used
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