Chemistry Lab-Procedure #5

Chemistry - #5 Procedure Reaction 1 1 Perform this reaction under the hood 2 Place several small pieces of copper in a 15-m test tube 3 Add a few

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#5 Procedure Reaction 1: 1. Perform this reaction under the hood 2. Place several small pieces of copper in a 15-m test tube. 3. Add a few drops of 6M nitric acid, HNO3 to the copper metal 4. You will see a chemical reaction 5. The liquid will become green/blue as the copper is consumed 6. Red/brown gass will be emitted 7. This reaction is forming “Copper(II) Nitrate”=blue/green liquid 8. This reaction is forming “Nitrogen Dioxide NO2= red/brown gas Reaction 2: 1. Place several small pieces of copper in a 15-cm test tube 2. Add 2mL (40 drops) of 0.1 M silver nitrate, AGNO3 3. Set aside for several minutes 4. Observe if change occurred Reaction 3: 1. In 15mL test tube of 5mL of 6M HCl, add mossy zinc 2. Hold mouth of test tube until you feel pressure from inside 3. Do not shake the test tube 4. Hold the mouth of the test tube near a flame or burner and release your thumb. Reaction 4: 1. Hold magnesium ribbon with thongs and light on fire. 2. Don’t look directly into the burning magnesium
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This note was uploaded on 06/26/2011 for the course CHEM 153 taught by Professor Durham during the Spring '10 term at Saint Louis.

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Chemistry - #5 Procedure Reaction 1 1 Perform this reaction under the hood 2 Place several small pieces of copper in a 15-m test tube 3 Add a few

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