Burning Fuels

Question 1

1) What is a hydrocarbon?
2) What do hydrocarbons have lots of making them good fuels?
3) Why are most fuels hydrocarbons?

Answer 1

1) A hydrocarbon is an organic compound consisting entirely of hydrogen and carbon
2) Hydrocarbons have lots of energy in them making them good fuels.
3) Most fuels are hydrocarbons because their molecules contain only hydrogen and carbon.

Question 2

1) What is hydrogen?
2) What happens when hydrocarbons react with oxygen?
3) What are all the products of hydrocarbons going to be?
4) What does hydrogen and oxygen make?

Answer 2

1) Hydrogen is the chemical element with the symbol H and atomic number 1, it is a gas that is colorless, odorless, tasteless, non-toxic, and highly combustible.
2) Hydrocarbon fuels burn when they react with oxygen in the air and it produces carbon dioxide, water, and heat.
3) Hydrocarbons contain the elements carbon and hydrogen, the only products will be oxides.
4) Water

Question 3

1) What is the test for Carbon Dioxide?

Answer 3

1) The test for carbon dioxide is you get a test tube full of limewater, put a straw and blow into it,, if carbon dioxide is present the limewater turn greyish into a product called Calcium Carbonate.

Question 4

1) What is the test for hydrogen gas?

Answer 4

1) The test for hydrogen gas is you take a lit splint and put i in the hydrogen gas and if you hear a high pitched popping sound it proves hydrogen gas is present.

Question 5

1) What is the test for oxygen?

Answer 5

1) You put a glowing (blown out) splint into a tube of oxygen and if it relights oxygen is present.

Question 6

1) What is the test for water?

Answer 6

1) The test for water is putting clobalt paper in the water and if it turns pink water is present.