Problem: Silver oxide decomposes when heated:2 Ag2O(s) → 4 Ag(s) +  O2(g)If 5.76 g of Ag2O is heated and the O2 gas produced by the reaction is collected in an evacuated flask,what is the pressure of the O2 gas if the volume of the flask is 0.65 L and the gas temperature is 25 oC?

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Step 1

5.76 g Ag2O ×1 mol Ag2O231.735 g Ag2O×1 mol O22 mol Ag2O = 0.01243 mol O2


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Problem Details

Silver oxide decomposes when heated:

2 Ag2O(s) → 4 Ag(s) +  O2(g)

If 5.76 g of Ag2O is heated and the O2 gas produced by the reaction is collected in an evacuated flask,what is the pressure of the O2 gas if the volume of the flask is 0.65 L and the gas temperature is 25 oC?


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