Chemistry C2 - energetics...

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- E=MC?
- vagina
- before getting pure copper we must get rid of its what?
- impurities
- Industrial use of Sodium hydroxide
- soap or paper
- Give a use of chlorine
- accept bleach production, purifying swimming pools, PVC production and anal lubrication
- what forms when we electrolyise brine?
- chlorine and sodium hydroxide
- what is brine?
- sodium chloride solution
- In electrolysis in water, two elements could potentially form at an electro...
- the less reactive one
- What is the process called in which ions lose electrons to become?
- oxidation
- What is the process called in which ions gain electrons to become atoms?
- reduction
- What kind of compound can not be split by electrolysis?
- covalent compound
- the cations are atrracted to what?
- the anode
- the negative electrode?
- cathode
- What is the name of the positive electrode?
- anode
- What is the name given to the substance broken down by electrolysis
- the electrolyte
- define: electrolysis
- The decomposing (break down) of a substance by passing an electric current through it
- definition of a catalyst
- a substance that speeds up a chemical reaction but is not itself chemically affected by the rea...
- why does increasing the pressure in a reaction increase the rate? refer to ...
- the more pressure, the closer the particles therefore there are more collisions
- what two things happen in relation particles in a reaction when the tempera...
- particles collide more often and with more energy
- what is the activation energy?
- the smallest amount of energy particles need to react
- what are the four main factors that affect the rate of reaction?
- temperature, surface area, concentration and catalyst
- what is the compromise pressure and temperature for the haber process?
- 200 atmospheres at 450 degrees centigrade
- what catalyst can we use to speed up the haber process?
- an iron catalyst?
- Charles de gaulle looks like which GSAL english teacher?
- Mr.Clarke
- complete the sentence, " at low temperatures the yield is high but the ****...
- rate of reaction
- give two examples of endothermic reactions
- thermal decomposition and photosynthesis
- give two examples of exothermic reactions
- respiration, neutrilisation
- increasing temperature in an endothermic reaction does what to the yield?
- increases it
- increasing pressure does what to a reaction?
- decreases the yield
- if a I increase the temperature of an exothermic reaction, what happens to ...
- it decreases
- what is the chemical equation for the haber process?
- N2 + 3H2 equilibrium 2NH3

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