# A chemical engineer is studying the rate of this reaction.2503 (g) → 2s0, (g) +O2 (g)She fills a reaction vessel with SOą and measures its concentration as the reaction proceeds. Here's a graph of her data:0.8-0.6-0.4-0.2-0.020.040.060.080.10t (seconds)Use this graph to answer the following questions:What is the half life of the reaction?'1/2 = 0sx10Round your answer to 2 significant digits.(w)[*os] Suppose the rate of the reaction is known to be first order inSO3. Calculate the value of the rate constant k.Round your answer to 2 significant digits. Also be sure youinclude the correct unit symbol.Predict the concentration of SO, in the engineer's reactionvessel after 0.200 seconds have passed.[so,] = OMAssume no other reaction is important, and continue toassume the rate is first order in SO3.Round your answer to 2 significant digits.

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Finding half life and rate constant from a graph of concentration versus time.

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Step 1

Half-life is the time required for a substance to become half of its initial concentration. Initial concentration of SO3 is 1.0 M. Hence, the time at which the concentration of SO3 becomes 0.50 M is 0.02 s.

Hence, half-life of the reaction is 0.02 s.

Step 2

Calculate the value of r...

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