Lab: Types of Reactions

Question 1

After you finished the experiment, which of the following did you do?

Revolt · Accepted Answer

made sure the gas to the Bunsen burner was turned off; cleaned all glassware

Question 2

H2S(g) →

Revolt · Accepted Answer

1

Question 3

and the balanced equationconcentration✔ products .

Revolt · Accepted Answer

products

Question 4

Which of the following best explains why you sanded the copper wire before burning it?

Revolt · Accepted Answer

to make sure that copper metal was exposed on the surface of the wire

Question 5

Explain how you know it must be oxygen. Where did the oxygen come from?

Revolt · Accepted Answer

I know it must be oxygen because the product formed is copper oxide, which consists of copper and oxygen atoms. Since copper was the starting metal, it must have reacted with oxygen from the surrounding air to form the compound.

Question 6

Check all of the reasons that you included in your answer.Copper oxide is the only product, and it contains copper and oxygen.One of the reactants is copper, so the other reactant must be oxygen.The copper metal must have combined with something in the air.

Revolt · Accepted Answer

Copper oxide is the only product, and it contains copper and oxygen.; One of the reactants is copper, so the other reactant must be oxygen.; The copper metal must have combined with something in the air.

Question 7

Ag2S(s) +

Revolt · Accepted Answer

1

Question 8

You used these observations to write the ✔ balanced chemical equationconcentrationsstates of matter

Revolt · Accepted Answer

balanced chemical equation

Question 9

H2(g)

Revolt · Accepted Answer

1

Question 10

and ✔ classify the reactiondetermine the yield make more products.

Revolt · Accepted Answer

classify the reaction

Lab: Types of Reactions Answers

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