# science

calculate the volume of gas at STP that is produced when 1g of silver nitrate is heated. the unbalanced reaction is: AgNO3(s)=Ag(s)+NO2(g)+O2(g)

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1. Balance the equation. Then
mols AgNO3 = grams/molar mass = ?
Use the coefficients in the balanced equation to convert mols AgNO3 to mols NO2 and do the same to convert to mols O2.
Add mols NO2 + mols O2
Convert total mols of the gas to volume in liters by L gas = mols gas x (22.4L/mol) = ? L.

If you have trouble, first go back and look at the problem I did a day or so ago. If you still have trouble post your work and explain in detail what you don't understand.

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2. I can't balance equation but mols are n=m/M =1/168=5,95multiply10^-3mol. so help with other please

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3. equation:2AgNO3=Ag2+2NO2+O2

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4. This is similar to the problem I worked for you two days ago with the 100 g iron producing rust.
http://www.jiskha.com/display.cgi?id=1431803547

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5. The volume of the gas produced is 0.04L/mok

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