unit 2 basics Flashcards
What can be released when a fuel is burned
Energy
What is an alternative to fuel or petrol
Hydrogen
why can using hydrogen be an advantage to the environment
Hydrogen is renewable
doesnt produse carbon dioxide
what are the only two elements that a hydrocarbon contains
Hydrogen and carbon
what is an homologous series
family of compounds with the same general formula and similar chemical properties
what is the molecular formula for Alkanes
CnH2n+2
what is the molecular formula for cycloalkanes
CnH2n
what are alkanes and cycloalkanes described as (saturated or unsaturated)
Saturated
why are alkanes and cycloalkanes described as saturated or unsaturated
because they usually contain carbon to carbon single bonds
what is the molecular formula for alkenes
CnH2n
are alkenes saturated or unsaturated
unsaturated
whya are alkenes unsaturated
because they contain carbon to carbon double bonds
What happens to the intermolecular forces when the number of carbons increase
it increases
What sources carbohydates and oils
Plants
what can carbohydrates be used for
food or fuel
what do carbohydrates contain
Hydrogen, oxygen,Carbon
what is the molecular formula of glucose
C6 H12 O6
what is starch
A complex carbohydrate
how are complex carbohydrates formed
by joining many glucose molecules
how can starch be detected
by using iodine ( turns brown to blue/black)
what can glucose convert to
Ethanol
using fermintation what can grpes and potatoes turn into
Wine and vodka
what everday products can plants make
cotton plant to make cotton clothes
tea plant to make tea
sunflower to make oils
