Question $33$

Correct

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Cyclobutane can decompose to form ethylene: $C_4{H}_8(g)2C_2{H}_4(g).$ The cyclobutane concentration can be measured as a function of time $($shown below$)$ by mass spectrometry. Which of the following is the rate of reaction?

Select one or more:

a$.$ The rate of change of cyclobutane

b$.-($The rate of change of cylcobutane$)$

c$.$ The rate of change of ethylene

d$.2($The rate of change of ethylene$)$

e$.0\mathrm{.}5($The rate of change of ethylene$)$

Question $34$

Calculate the average rate of reaction between $15\mathrm{.}0$ and $38\mathrm{.}0s($units $mo\frac{l}{L}\frac{?}{s}).$

Incorrect

$39F$

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$34$

ncorrect

Mark $0\mathrm{.}00$ out of $1\mathrm{.}00$

Question $35$ Incorrect

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Question $36$

Incorrect

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$1\mathrm{.}00$

Question $37$

Incorrect

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$1\mathrm{.}00$

Calculate the average rate of reaction between $15\mathrm{.}0$ and $38\mathrm{.}0s($units mol$/$L$/$s$).$

Answer:

Calculate the instantaneous rate of reaction at $22s($units $mo\frac{l}{L}\frac{?}{s}).$

$($It is a good idea to print the page in order to draw an accurate tangent line.$)$

Answer

Calculate the initial rate of reaction $($units $mo\frac{l}{L}\frac{?}{s}).$

Answer:

Calculate the instantaneous rate of formation of ethylene at $41\mathrm{.}0s($units mol$/$L$/$s$).$

Answer

$39F$

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