Given:  Temperature of H2O = 200C Pressure = 0.95 atm Initial Air Volume = 50mL Final Air Volume = 95mL Volume of O2 collected = 95mL - 50mL = 45mL Total Reaction time = 17mins Balanced equation for hydrogen peroxide decomposition: 2H2O2  ------ 2H2  +   O2 Using the Ideal Gas Law (PV = nRT), calculate the grams of O2 produced in the reaction above(decomposition of hydrogen peroxide). (Hint: solve for n, and then convert moles of O2 to grams. Watch your units; you may need to convert some of your data into different units.)

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Given: 

Temperature of H2O = 200C

Pressure = 0.95 atm

Initial Air Volume = 50mL

Final Air Volume = 95mL

Volume of O2 collected = 95mL - 50mL = 45mL

Total Reaction time = 17mins

Balanced equation for hydrogen peroxide decomposition:

2H2O2  ------ 2H2  +   O2

Using the Ideal Gas Law (PV = nRT), calculate the grams of O2 produced in the reaction above(decomposition of hydrogen peroxide). (Hint: solve for n, and then convert moles of O2 to grams. Watch your units; you may need to convert some of your data into different units.)

 

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