development of fuels

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What does Ar stand for?
Relative Atomic Mass, the link between mass of an element and number of atoms it contains
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What does Mr mean?
Relative Formula Mass, when the relative atomic mass for each element is added to get total mass
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What is a chemical "mole"?
The unit that measures the amount of substance in such a way that equal amounts of elements consist of equal numbers of atoms
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What is Avogadros constant and give its value
6.022x10.23, The number of formula units in one mole of any substance is a constant
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What is the emperical formula of a substance?
Tells you the simplest ratio of the numbers of different types of atoms in the substance
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What is the molecular formula?
Tells you the actual number of different types of atoms
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Card 2

Front

What does Mr mean?

Back

Relative Formula Mass, when the relative atomic mass for each element is added to get total mass

Card 3

Front

What is a chemical "mole"?

Back

Preview of the front of card 3

Card 4

Front

What is Avogadros constant and give its value

Back

Preview of the front of card 4

Card 5

Front

What is the emperical formula of a substance?

Back

Preview of the front of card 5
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