mistakes from mock Flashcards

1
Q

define relative atomic mass

A

average mass of all of the atoms relative to the 1/12 mass of a carbon atom

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2
Q

how do you identify catalysts in an equation

A

catalysts in a equation are reactants in step 1 and products in step 2 so it is unchanged overall

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3
Q

what conditions are needed for catalytic cracking

A

slight pressure
high temperature

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4
Q

what are the products of catalytic cracking

A

branched alkanes
aromatics

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5
Q

why is it easier to break a carbon to bromine bond than a carbon to fluorine bond

A

as you go down the group
the carbon halogen bond length increases so the bond energy decreases so it is easier to break

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