chem 106 quiz 3 Flashcards Preview

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Flashcards in chem 106 quiz 3 Deck (13)
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1
Q

4 factors that control the rate of a chemical reaction

A

physical state of reactant, concentration, temperature, add a catalyst

2
Q

how to find order wrt a certain reactant

A

ratio of initial concentrations to initial rates and then find the exponent

3
Q

overall order of a reaction

A

add the exponents

4
Q

how to find k

A

plug in a row of the table (if applicable)

5
Q

zero order rate =

A

k

6
Q

1st order rate =

A

k[A]

7
Q

2nd order rate =

A

k[A]^2

8
Q

zero order equation that yields a straight line

A

[A]t = -kt + [A]0

9
Q

1st order equation that yields a straight line

A

ln[A]t = -kt + ln[A]0

10
Q

2nd order equation that yields a straight line

A

1/[A]t = kt + 1/[A]0

11
Q

half-life

A

time it takes to reach 1/2[A]0

12
Q

t1/2 =

A

0.693 / k

13
Q

2 sig figs in log yields

A

2 decimal places