Chemistry Equations
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13 Terms
1
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rf value
rf value = distance moved by solvent/distance moved by substance
2
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n moles
mol = mass/mr
3
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rate of reaction
amount of reactant used/time or amount of product formed/time
4
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molar enthalpy change
-heat energy/mol
5
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heat energy change
mass x heat capacity x temperature change
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enthalpy change
total energy absorbed to break bonds - total energy used to make bonds
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percentage yield
actual yield/theoretical yield x 100
8
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alkane general formula
CnH2n+2
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alkene general formula
CnH2n
10
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ram of isotopes
(abundance x isotopic mass) + (abundance x isotopic mass)/100
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volume
vol = n x 24
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conc equation
mol = conc x volume
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how many cm³ in dm³
1000
Note 
Flashcards (101)