Decomposition

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Term Paper Title	Decomposition
# of Words	284
# of Pages (250 words per page double spaced)	1.14

Decomposition

Decomposition

12/09/96

Purpose: In this lab we will observe the products of decomposition of potassium
perchlorate (KClO4). We will then predict from our results the correct chemical
reaction equation.

Procedure: 1.  Weigh out about 4.0g of KClO4 in a test tube.  Record the
accurate weight below. Product     Weight Before     Weight After Mass of Test tube +
KClO4     41.5g     39.8g Mass of Test tube     37.5g     37.5 Mass of KClO4
4.0g     2.3g 2.  Set up the apparatus shown below.

3.  Gently heat the test tube containing the potassium perchlorate.  Gas should
begin to collect in the collection bottle.  Record all observation. 4.  Once the
reaction is complete, no more gas give off, allow the test tube to cool.  While
the test tube is cooling test the gas in the collection bottle with glowing
splint. Cau...

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