combustion Flashcards
1
Q
What do fuels do when they combust?
A
= releases heat energy when burnt
2
Q
What is produced in complete combustion?
A
= co2 and h2o
= whem there is an excess of oxygen
3
Q
When does incomplete combustion occur?
A
= when there is a limited supply of oxygen
= CO and water
= Cand co2 (soot0
4
Q
Where are sulfur containing impurities found?
A
= petorleum fractions
= produce so2 when burned
5
Q
How is acid rain formed?
A
= so2 wil dissolve in atmospheric water and form acid rain
6
Q
How are nutrogen oxides formed?
A
= reaction between nitrogen and oxygen- inside the car engine
= high temperature and spark in the engine provides sufficientenergy to break strong n2 bonds
