C4 extracting metals

Created by

Jiya P

Cards (23)

Reactivity series: 
Please Stop Calling Me A Careless Zebra Instead Try Learning How Copper Saves Gold
Give the general equation for a metal reacting with water
Metal + water → metal hydroxide + hydrogen
Give the general equation for a metal reacting with acid
Metal + acid → salt + hydrogen
Displacement reactions are an example of what sort of reaction?
Redox
What does OILRIG stand for?
Oxidation is loss of electrons, reduction is gain of electrons
Where are most metals extracted from?
Ores found in the Earth’s crust
How and where are unreactive metals found?
In the Earth’s crust as uncombined element
Reduction is what happens to ores during extraction of metals
How are metals below carbon in the reactivity series extracted?
Heating with carbon
Electrolysis is used to extract more reactive metals
Phytoextraction and bioleaching are biological methods of extraction
What are the advantages of recycling metals:
Economic implications, preservation of the environment, preservation of the supply of valuable raw materials
What is considered in a life time assessment?
Effect on the environment of obtaining the raw materials, manufacturing the produce, using the product and disposing of the product
What is meant by the term dynamic equilibrium?
The rate of the forwards reaction equals the rate of the backwards reaction
Where is nitrogen for the Haber process obtained from? 
nitrogen from air
Where is hydrogen for the Haber process obtained from
Natural gas
Give the symbol equation for the Haber process 
N2 + 3H2 ⇌ 2NH3
Give the word equation for the Haber process
Nitrogen + hydrogen ⇌ ammonia
What temperature is used for the Haber process?
450 0C
What pressure is used for the Haber process?
200 atmospheres
What is used as a catalyst in the Haber process? 
iron
What 3 factors can affect the position of a dynamic equilibrium?
Temperature, pressure, concentration
before electrodes carry out electrolysis they need to be cleaned using emery paper to remove surface oxide