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Laabri

Year 8 Homework 19/1/22 OALH

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Last updated over 4 years ago
12 Nsɛmmisa
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Challenge question.

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1.

What are the reactants in combustion

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2.

What are the products of complete combustion

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3.

What are the products of incomplete combustion?

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4.

Complete combustion occurs when…

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5.

Write the word equations for the complete and incomplete combustion of methane

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6.

Write the symbol equations for the complete and incomplete combustion of methane

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7.

The mass of reactants before a reaction is…

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8.

The mass of reactants at the start of a reaction are 15g. What are the mass of product?

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9.

2 g of sodium react with 3g of oxygen. The product is sodium oxide. What is the mass of sodium oxide?

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10.

What happens to the atoms in a chemical reaction?

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11.

10g of aluminium react with oxygen forming 17g of aluminium oxide.

What was the mass of oxygen?

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12.

15g of carbon react with oxygen forming 45g of carbon dioxide..

What was the mass of oxygen?