C6 Chemistry Out There Flashcards
What does electrolysis mean.
Splitting up with eclectrisity
The amount of product made in electrolysis depends on what?
The number of electrons
What is a fuel cells efficiency ?
Over 80%
What does fermentation produce?
Alcohol and carbon dioxide
What is the optimum conditions for a yeast fermentation reaction?
25-45 degrees c
Hydration of ethene chemical reaction
Ethene + water= ethanol
C2 h4 + h2o = c2 h5 OH
Reaction of CFCs
C cl2 f2 = uv light= c cl f2 free radical + cl free radical
Name 4 properties of CFCs
Low boiling point
Non toxic
Inert non flammable
Soluble in water
What is hard water, why is it hard?
Calcium and magnesium ions dissolved in it
How to remove temporary hardness
Boil the water
What is ion exchange resin?
It helps remove hardness of water. It flows over a solid rein which traps the magnesium and calcium ions.removes temp and per innate hardness.
What is an unsaturated fat
A fat with a double covalent bond c=c
What is a saturated fat?
A fat with a single covalent bond c-c
Chemical equation for making soap
Fat + sodium hydroxide = soap + glycerol
What part of a detergent is hydrophobic
The tail. It hates water
What part of a detergents hydrophilic?
The head and it loves water
What’s a solvent
A liquid that things are dissolved in
Define solute
The substance being dissolved in the solvent
Define solution
Solvent and solute together
What type of reaction is a redox reaction?
A displacement one
More reactive metals displace less reactive ones.
