Combustion

Question 1

what is combustion

Answer 1

the burning of substance with oxygen releasing heat energy

Question 2

is combustion endo or exo

Answer 2

combustion is exo - it releases heat and creates bonds

Question 3

what reactants and products are always part of combustion reaction

Answer 3

reactants - oxygen and a fuel

products - carbon dioxide and water

Question 4

what are the 3 things needed for a combustion reaction to occur

Answer 4

fuel - a combustable substance to be burned
oxygen - a source of oxygen
heat - an initial source of heat to start and keep process going

Question 5

what is incomplete combustion

Answer 5

when there is not enough oxygen to fully produce carbon dioxide and water, toxic carbon monoxide is produced

Question 6

Explain 2 other oxygen reaction

Answer 6

corrosion - metal reactants with oxygen -> an oxide

respiration - glucose reacts with oxygen ->co2 and h20