Cyclopentene decomposes at 528 K as shown in the following reaction: C5H8 (g) ⇒C5H6 (g) + H2 (g)

Time (s) [C5H8] (mol L-1)

0 0.02

20 0.0189

50 0.0173

100 0.0149

200 0.0112

300 0.0084

400 0.0063

500 0.0047

700 0.0027

1000 0.0011

Find the reaction order

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