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Factors Affecting Rate of Reaction

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  • Essay length: 2089 words
  • Submitted: 08/11/2009
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International Baccalaureate Chemistry

The first 200 words of this essay...

Factors Affecting Rate of Reaction

Lab Report



Affect of Surface Area on the Rate of Reaction of Alka-Seltzer

In a successful reaction, reactants have to effectively collide with each other. The chance of a successful collision can be increased or decreased by using many factors. This investigation demonstrates how increased surface area leads to an increased rate of reaction. It is expected that the broken surface area of the Alka-Seltzer tablets has the largest surface area and will have the fastest reaction rate.


* Materials

o Safety goggles

o 2 Film canisters

o 10-mL graduated cylinder

o 2 Alka-Seltzer tablets (1.8 g each)

o Mortar and pestle

o Balance

o Stopwatch or timer

* Procedure

1. Safety goggles were put on

2. 10 mL of water was measured in the graduated cylinder and the temperature was recorded

3. The water was then poured in the film canister

4. One Alka-Seltzer tablet was crushed using the mortar and pestle

5. The mass of the crushed pieces were measured on the balance and

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