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CHEM 30 THERMOCHEMISTRY. REVISED QUESTIONS AND ANSWERS. 2024/2025 UPDATE
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CHEM 30 THERMOCHEMISTRY. REVISED QUESTIONS AND ANSWERS. 2024/2025 UPDATE
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CHEM 30 THERMOCHEMISTRY. REVISEDQUESTIONS AND ANSWERS. 2024/2025 UPDATE
1 . what is reaction rate? the speed at which
chemical reaction occu
the change in amounts
reactant or produ
produced over time
2. what 2 criteria must be satisfied for a 1 . correct orientation
reaction to be successful? reactants (collis
geometry) 2. collision m
contain enough energy
allow bonding to change
3. what is activation energy? the minimum amount
energy required for
successful reaction
4. T or F increases the temperature of the reac- True, because the hotter
tants increases the reaction rate? molecules are the faster t
move which means they
each other more
5. what is an activated complex? when both reacti
molecules are for
together into a single enti
6. from the
,
bonding
rearrange-
activated
complex ment
1/11
, CHEM 30 THERMOCHEMISTRY. REVISED
QUESTIONS AND ANSWERS. 2024/2025 UPDATE
occurs to form
the products
7. what are the
components
of an
activated 1 .
exists only at
the top of the
complex? (4)
activation
energy
2. it is neither products nor reactants
3. contains partial bonds
4. is highly unstable
8. is activation
energy
supplied for
endother- all
reactions mic
reactions?
exothermic
reactions? or
all reactions?
2/11
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