Chemistry Notes 2P Intro Experiments

Four opening experiments:

1. copper (II) sulfate in water
2. magnesium and vinegar (page 71)
3. reaction of sucrose and fructose with Benedict's solution. Which one is chemical?
4. reaction of aluminum metal and calcium metal with water. Which one is chemical?
5. hydrogen and oxygen (in a balloon)

Procedures will be explained and observations notes developed as the experiments are done.

What should the first thing one should investigate before doing these experiments?

Lets develope a procedure for this experiment
Get out some lined paper, number and date the page and away we go. Procedures & observations will be give as experiments are done

Concepts that can be reviewed from these experiments

• states of matter and some properties
• dissolving
• chemical terms; reactants, products
• recognizing a chemical reaction and what is necessary for a chemical reaction to occur
• communicating chemical reactions
• and of course, lab safety and safe handling of chemicals
  intoduction to WHMIS

Questions to answer:

1. Construct a chart to record the observations. (see board for assistance)
2. Write an observation for each of the reactions.
3. There are seven experiments; which are physical, which are chemical and which are nill?
4. To have a chemical reaction what should you look for?
5. A chemical reaction must always produce _______________________ (fill in the blank)