Fuels And Hydrocarbons
No description yet. This curated deck is ready for daily study.
Card preview (24)
How is energy released ?
Through burning
What do things react with when they burn ?
Oxygen (oxidation)
What is another word for burning ?
Combustion
What is the test for oxygen ?
Relights a glowing splint
What does potassium permanganate provide for the combustion of oxygen ?
Plentiful supply of oxygen
What are all combustion reactions?
Exothermic
What is the word equation for the combustion of carbon?
Carbon + oxygen > carbon dioxide
What is the chemical equation for the combustion of carbon?
C+O2 >CO2
What is the test for carbon dioxide ?
Turns lime water milky
What are the 3 things needed for burning to occur ?
Oxygen Heat Fuel
What would happen if you took one of the 3 things for burning to occur ?
Fire would go out
What is the word equation for the combustion of hydrogen ?
Hydrogen+oxygen>hydrogen oxide (water)
What is the chemical equation for the combustion of hydrogen ?
H2+O2>H2O
What is the balanced equation for the combustion of hydrogen ?
H2+1/2O2>H2O
What do coal, oil and natural gas mainly consist of ?
Compounds called hydrocarbons
What are hydrocarbons ?
Compounds that only contain hydrogen and carbon
What do all hydrocarbons burn to produce?
Carbon dioxide and water
What is the chemical equation for the combustion of methane?
CH4+O2>CO2+H2O
What is the colour change for cobalt chloride paper?
Blue to pink
What is the test for water ?
Boiling pt100 Freezes at 0
What will happen when there is an insufficient supply of oxygen ?
Carbon will not burn completely
What does incomplete combustion of carbon produce?
Carbon (soot) harmful dust particles Carbon monoxide a colourless poisonous gas
How can we reduce pollution ?(4)
Reduce reuse recycle Catalytic converters in cars Renewable energy sources Carbon capture
What is given out in exothermic reactions?
Heat energy