# Environmental Chemistry Assignment | Professional Essay Writers |

The decomposition of XY is second order in XY and has a rate constant of 7.04×10−3 M−1⋅s−1 at a certain temperature.

1. What is the half-life for this reaction at an initial concentration of 0.100 M?

2. How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial concentration is 0.100 M?

3.How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial concentration is 0.200 M?

4.If the initial concentration of XY is 0.160 M, how long will it take for the concentration to decrease to 5.80×10−2 M?

5. If the initial concentration of XY is 0.050 M, what is the concentration of XY after 50.0 s?

6.If the initial concentration of XY is 0.050 M, what is the concentration of XY after 600 s?
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## Environmental Chemistry Assignment | Professional Essay Writers |

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# Environmental Chemistry Assignment | Professional Essay Writers |

The decomposition of XY is second order in XY and has a rate constant of 7.04×10−3 M−1⋅s−1 at a certain temperature.

1. What is the half-life for this reaction at an initial concentration of 0.100 M?

2. How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial concentration is 0.100 M?

3.How long will it take for the concentration of XY to decrease to 12.5% of its initial concentration when the initial concentration is 0.200 M?

4.If the initial concentration of XY is 0.160 M, how long will it take for the concentration to decrease to 5.80×10−2 M?

5. If the initial concentration of XY is 0.050 M, what is the concentration of XY after 50.0 s?