1 )Determine the rate constant from the concentration time dependence Time (s) Reactant (M) 0 0 0 0350 10 0 0223 20 0 0142 50 0 0037 70 0 0015 Use SI units, that is, seconds for time (not included in answer) Answer 2 )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 Calculate the instantaneous rate of formation of ethylene at 21 0 s (units mol L s)

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Question: 1.)Determine the rate constant from the concentration-time dependence: Time (s) [Reactant](M) 0.0 0.0350 10 0.0223 20 0.0142 50 0.0037 70 0.0015 Use SI units, that

1.)Determine the rate constant from the concentration-time dependence:

Time (s)	[Reactant](M)
0.0	0.0350
10	0.0223
20	0.0142
50	0.0037
70	0.0015

Use SI units, that is, seconds for time (not included in answer).

Answer:

2.)Cyclobutane can decompose to form ethylene: C₄H₈(g) 2C₂H₄(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?

Calculate the instantaneous rate of formation of ethylene at 21.0 s (units mol/L/s).

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