C6- chemical synthesis

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What do organic acids consist of?
Organic Acids consisting of carbon, hydrogen and oxygen
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Where do mineral acids come from?
Inorganic or Mineral sources
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Define 'titration'
a technique used to determine an unknown concentration of an unknown solution using a known concentration of another solution
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What type of reaction gives off energy to the environment?
An 'exothermic' reaction
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What type of reaction takes in energy from the environment
An 'endothermic' reaction
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Define the energy changes that must be controlled by the chemical industry
Fuel required for endothermic reactions costs money. Energy given out by a reaction can be used elsewhere in the plant
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give examples of reactions that give out energy
combustion and neutralisation
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If the temperature of the products has increased what reaction has taken place?
Exothermic
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According to ionic theory, what must a compund do to be considered an acid when dissolved in water?
Any compound is considered an acid if it produces hydrogen ions when dissolved in water
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What makes a compound an alkali?
when the compound dissolves, hydroxide ions are added to the solution it is dissolved in
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Name some non-metal ions
Carbonate, Hydroxide, Nitrate, Sulfate
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define 'rate of reaction'
the quantity of a product produced in a fixed time or the quantity of reactant used up in a fixed time.
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Name factors that affect rate of reaction
Concentration, Surface area of the solids, Temperature, Catalysts
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Define a 'catalyst'
a substance that alters the rate of reaction. Catalysts do not get used up in experiments, they always remain at the end of the reaction.
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Name ways in which you can control the rate of reaction
Measure evolution of gas in a given time. Record loss of mass in a given time. Record loss of solid in a given time. Time how long it takes for an insoluble solid to be produced.
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Other cards in this set

Card 2

Front

Where do mineral acids come from?

Back

Inorganic or Mineral sources

Card 3

Front

Define 'titration'

Back

Preview of the front of card 3

Card 4

Front

What type of reaction gives off energy to the environment?

Back

Preview of the front of card 4

Card 5

Front

What type of reaction takes in energy from the environment

Back

Preview of the front of card 5
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