Homework Help: Chemistry

Posted by Shawn on Sunday, December 2, 2012 at 4:36pm.

Nitroglycerin, an explosive compound, decomposes according to the equation below.
4 C3H5(NO3)3(s) 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g)
Calculate the total volume of gases when collected at 1.2 atm and 25°C from 1.3 102 g of nitroglycerin.

Chemistry - DrBob222, Sunday, December 2, 2012 at 7:01pm
How do you tell the difference between reactants and products with no arrow? And 1.3 102 means what?
Chemistry - Shawn, Sunday, December 2, 2012 at 7:04pm
4 C3H5(NO3)3(s) ---> 12 CO2(g) + 10 H2O(g) + 6 N2(g) + O2(g)

1.3 e 2
Chemistry - DrBob222, Sunday, December 2, 2012 at 7:15pm
Thank you.
mols nitro = grams/molar mass
Convert mols nitro to mols CO2, and separately to mols H2O, N2 and O2. Add mols to find total mols.

Then use PV = nRT and calculate V at the conditions listed.

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