At a certain temperature, the half-life of the first order decomposition of phen

Question

At a certain temperature, the half-life of the first order decomposition of phenol (shown below) is 1.11 hr phenolcyclopentadiene carbon monoxide Answer the following questions about the decomposition of phenol and report all answers to three significant figures. ? If the initial concentration of phenol is 9.81×10-2 M, calculate the time (in hr) required for the concentration of phenol to decrease to 29.3 % of the initial concentration. Submit Answer Tries 0/3 2. If the initial concentration of phenol is 9.81×10-2 M, calculate the concentration (in M) after 2.03 hr Submit Answer Tries 0/3

Explanation / Answer

Ans for first question: time = 1.32 hr

second question : Concentration = 2.76x10-2 M  

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