Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
49 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
What is the to reaction for the disappear cross experiment? |
|
|
|
|
How and why does temp affect rate of reaction? |
|
|
|
|
How and why does surface area affect rate of reaction? |
|
|
|
|
How and why does pressure/concentration affect rate of reaction? |
|
|
|
|
How does a catalyst affect rate of reaction and activation energy? |
|
|
|
|
What is a hydrocarbon and a crude oil? |
|
|
|
|
What is the formula for alkanes and the first four alkanes? |
|
|
|
|
How does fractional distillation work? |
|
|
|
|
What comes out at the top fractional distillation column and bottom? What are properties |
Top - short hydrocarbons and flammable Bottom long hydrocarbons not very flammable |
|
|
|
How do we break a long chain hydrocarbon, what do we use and what are products? |
|
|
|
|
What is the test for an alkene (double bond)? |
|
|
|
|
What is the formula for complete combustion of a hydrocarbon? What does it contain lots of? |
|
|
|
|
What is formula for RF value (chromatography)? |
|
|
|
|
How does the melting vary of a pure substance and a substance in a mixture? |
Pure substance melting point says the same and in mixture it can change. |
|
|
|
If a reaction is causing bubble what are the 4 main gases it could be and how do we test for them? |
|
|
|
|
What gases does modern day atmosphere contain what is it mostly made up from? Bonus give percentages of each gas |
|
|
|
|
How was early atmosphere formed and what did it contain? |
Formed by volcanoes exploding and it contain: ammonia, methane, water vapour and co2 |
|
|
|
How did the early atmosphere go away and form new one? |
|
In the blue and green writing |
|
|
What are 3 main greenhouse gases? Why is one of them good at storing heat? How does greenhouse affect work? |
|
|
|
|
3 main cause for increase in co2 level? |
Burning fossil fuels, deforestation and reliance on cars |
|
|
|
What is you carbon footprint? |
How much your daily activity contribute to the carbon dioxide in the atmosphere |
|
|
|
What is sulphur dioxide? How does it damage the environment? |
It is a pollutant |
|
|
|
What does too much co2 in the air cause? |
|
|
|
|
How does water vapour, carbon monoxide and nitrogen oxides affect the planet? |
|
|
|
|
Why does water have to be treated and how is this done(process and chemicals)? |
|
|
|
|
What is bioleaching and where is it justed? |
It is used on low yield ores mainly in water, we add bacteria to the water they absorbs the metal ions and leach it (wee it out) and we can extract it. |
|
|
|
What is phytomining? Where is it used and how does it work? What is a dos about it? |
A method of extraction metal ion from low yield ores in soil. Plant absorbs ions (rest is on picture) plants take long time to grow |
|
|
|
What are 3 stages of production life cycle assessment? |
Manufacturer Use Disposal |
|
|
|
What are the environmental impacts tests need to be tested on each part of the product life cycle assessment? |
|
|
|
|
What is the formula for alkenes and the first 4 alkenes? |
|
|
|
|
What are isomers? Give examples |
|
|
|
|
What are formula for complete and incomplete combustion? What flames do they give? |
Complete = blue flame incomplete = orange flame |
|
|
|
What is the function group for an alcohol and first 4 alcohols? |
-0-H |
|
|
|
What are uses for alcohol and what happens when it reacts with oxygen, sodium and water? |
|
|
|
|
What is the formula for fermentation and uses for it? |
Make alcohol and bread |
|
|
|
What is functional group for carboxylic acid and first 4 carboxylic acids? |
|
|
|
|
What are uses for carboxylic acids and what happens when it reacts with carbonates and alcohol? |
|
|
|
|
What happens when a carboxylic acid and alcohol react? |
You get an ester and water |
|
|
|
What is condescension polymerization? What is made? |
Water |
|
|
|
What is the structure of DNA? |
Double helix, ATCG. A always bonds with t and c always bonds with g |
|
|
|
What is DNAs back bone? |
Sugar phosphate |
|
|
|
What are the colours and metals the all the flame tests? (6 of them) |
|
|
|
|
Why are instrumental methods better? |
|
|
|
|
What is formula for rusting and how can it be prevented? |
|
|
|
|
Differences in structure and properties of Pure and alloy metals? |
|
|
|
|
What is glass made from? |
|
|
|
|
What are ceramics made from e.g clay. |
Silicon dioxide and aluminium oxide |
|
|
|
What is the difference between thermosetting and thermosofting polymers? |
Settings = burn & softening = melt |
|
|
|
How does harbor process work? And why is ammonia important? |
Ammonia used in fertilisers |
|
