Chem

What is a Empirical formula?
Empirical formulas tell you the simplest or most reduced ratio of elements in a compound.
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What is a Molecular formula?
Molecular formulas tell you how many atoms of each element are in a compound.
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What is the Empirical formula for C4h8?
CH2
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What is Cyanuric Triazide in the empirical formula?
C3N12 -> CN4
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What happens when a Molecular formula isn't divisable?
If a compound's molecular formula cannot be reduced any more, then the empirical formula is the same as the molecular formula.
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What is the Molecular formula for Benzene?
C6H6
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What are the steps for determining an empirical formula?
Start with the number of grams of each element, given in the problem. Convert the mass of each element to moles using the molar mass from the periodic table. Divide each mole value by the smallest number of moles calculated. Then round it.
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How do you work out moles?
Divide the mass given by the mass of the element from the periodic table
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What is methans Empirical formula?
CH4
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Whats startch's molecular formula?
C6O10H5
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Other cards in this set

Card 2

Front

What is a Molecular formula?

Back

Molecular formulas tell you how many atoms of each element are in a compound.

Card 3

Front

What is the Empirical formula for C4h8?

Back

Preview of the front of card 3

Card 4

Front

What is Cyanuric Triazide in the empirical formula?

Back

Preview of the front of card 4

Card 5

Front

What happens when a Molecular formula isn't divisable?

Back

Preview of the front of card 5
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