Chemistry C1

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What are fossil fuels?
Fossil fuels are naturally formed over millions of years finite and non renewable becuase they are used up much faster then new supplies can be formed they will be used up in the future all easily exreacted
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Where is crude oil found?
Crude oil is found in the earths crust but it can also be pumped into the surface.
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How is crude oil transported?
Crude oil is transported to refineries through pipelines or in oil tankers
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What is crude oil a mixture of?
Crude oil is a mixture of many hydrocarbons.
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What is a hydrocarbons?
Hydrocarbon is a molecule that contains only hydrogen and carbon atoms.
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Fractional distilation
ions differing in boiling point (and hence chemical composition) by means of distillation, typically using a fractionating column.
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What is an acid?
A compound that has a ph value lower then 7
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What is an Additives
Chemicals added to food they that they look taste or smell better or increase shelf life.
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Fractional distilation
ions differing in boiling point (and hence chemical composition) by means of distillation, typically using a fractionating column.
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What is an alkali?
A compound that has oh value higher than 7 and can dissolve in water.
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Fractional distilation
ions differing in boiling point (and hence chemical composition) by means of distillation, typically using a fractionating column.
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What is an Alkane
A saturated only single bond hydrocarbon
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What is an Alkene
An unsaturated at least one double bond hydrocarbon
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What are Allotropes?
Different structural forms of the same element eg diamond and graphite are both forms of carbon with different molecular structures.
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What is an anode?
The positive electrode.
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What is a alloy?
A mixture of two or more metals or of a metal and a non metal.
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What is the Atmosphere ?
The envelope of gas around the earth
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What is a atom
The smallest part of an element that can enter into chemical reactions
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What is atom economy
A measure of how many atoms from the reactants are in the desired product.
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What is the atomic number?
The number of protons in an atom,the number underneath the symbol in the periodic table
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Base
A compound that has a ph greater than 7 and that will neutralise an acid.
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What is the Batch process
A process where chemicals are added into a container the reaction takes place and the products are removed before a new reaction is started.
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What is a calorimeter
A container used to hold liquids during a calorimetry experiment
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What is calorimetry?
An experiment used to measure the amount of energy released by a fuel or energy change in reaction
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What is a catalyst?
A substance that is used to speed up a chemical reaction without being chemically altered itself
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What is a Cathode
The negative electrode
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What Is cement
A substance that sticks 2 materials together made by heating clay and limestone
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What is collision?
When two or more particles hit each other
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combustion
Burning
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Complete combustion
Burning in lots of oxygen
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What is composite
A material made from two or more substances that can easily be seen in plywood you can easily see the layers of the different wood
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What is a compound
A substance consisting of two or more elements chemically bonded.
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What is concrete a mixture of
A mixture of sand gravel water and cement
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What is concentration?
A measure of the amount of substance dissolved in a soloution
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What is contruction
Building
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What is contact process?
The process used to make sulfuric acid.
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What is continuous process?
A process that does not stop reactants are fed in at one end and products are removed at the other end at the same time
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What is the core
The centre of the earth
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What is corrosion
A reaction between metal and oxygen that turns it into a compound
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What is a covalent bond?
A bond between 2 atoms In which one or more pairs of electrons are shared
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What is cracking
Breaking down long chain hydrocarbons into smaller more useful short chain hydrocarbons
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What is the crust?
The outer layer of the earth
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What is Decomposition?
A chemical reaction where a compound breaks down into simpler substances
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Dilute
To reduce the concentration of a substance using water.
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What is an electrode?
The conducting rod or plate that allows electric current to enter and leave an electrolysis cell
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What is an electrolyte?
An aqueous or molten substance that contains free moving ions and is therefore able to conduct electricity
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What is an electron?
A negatively charged subatomic particle that orbits the nucleus of an atom.
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Other cards in this set

Card 2

Front

Where is crude oil found?

Back

Crude oil is found in the earths crust but it can also be pumped into the surface.

Card 3

Front

How is crude oil transported?

Back

Preview of the front of card 3

Card 4

Front

What is crude oil a mixture of?

Back

Preview of the front of card 4

Card 5

Front

What is a hydrocarbons?

Back

Preview of the front of card 5
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