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Social ScienceCyclobutane, C4H8, decomposes when heated to ethylene, C2H4. The reaction is first order. In an experiment the initial concentration of cyclobutane was 0.00150 M. After heating at 450°C for 455 seconds, this was reduced to 0.00119 M. What was the concentration after 936 seconds?
Cyclobutane, C4H8, decomposes when heated to ethylene, C2H4. The reaction is first order. In an experiment the initial concentration of cyclobutane was 0.00150 M. After heating at 450°C for 455 seconds, this was reduced to 0.00119 M. What was the concentration after 936 seconds?
Expert Answer
Cyclobutane, C4H8, decomposes when heated to ethylene, C2H4.
The reaction is first order.
In an experiment,
the initial concentration of cyclobutane was = 0.00150 M
After heating at 450°C for time (t) = 455 seconds
final concentration of cyclobutane was reduced = 0.00119 M
Let us first calculate the value of rate constant (k) for a first-order reaction
formula,
ln[final concentration] = ln[initial concentration] - rate constant x time
or,
ln(0.001...
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