Describing chemical reactions

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If you need more time practicing balancing chemical equations, you can review the concepts here:

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Here is the powerpoint presentation from today's class

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 Watch the following video to give you an insight as to how to classify chemical reactions.

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RECAP:

Which of the following could be evidence that a chemical reaction has taken place?

-A permanent colour change occurs

-A gas is produced

-A substance is dissolved into another

-A change in temperature occurs

-A solid substance is broken in half 

Is mixing paint is a physical change or chemical change? Explain. 

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 Test your knowledge of physical vs chemical change with the following game:
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TASK 1 - PhET balancing chemical equations

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Want more practice balancing equations? Here is another game:

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 Go through the following link with your teacher to gain a better understanding of chemical reactions and how they can be described through a chemical equation.
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 PART A

Read through 6.4 Chemical Reactions 

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PART B

Complete these reaction equations.

 a    sodium hydroxide + hydrochloric acid ®     ____________chloride + water

 

b     magnesium + hydrochloric acid ® _____________ chloride + hydrogen gas

 

c     copper sulfate + hydrochloric acid ® _____________ chloride + sulfuric acid

 

d     ammonium chloride + sodium sulfate ®  ___________ sulfate + _____________ chloride

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 PART C

Answer the Unit R/V Questions in your OneNote file or Workbook.

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