Asked by Anonymous
What volume of carbon dioxide would be produced at 350˚C and
1.00 atm from the complete thermal decomposition of 1.00 kg of
magnesium carbonate, MgCO3? What is the density of carbon dioxide
at this temperature?
1.00 atm from the complete thermal decomposition of 1.00 kg of
magnesium carbonate, MgCO3? What is the density of carbon dioxide
at this temperature?
Answers
Answered by
DrBob222
MgCO3 ==> MgO + CO2
1 kg MgCO3 = 1000 g.
mols MgCO3 = grams/molar mass = ?
For every mol MgCO3 you get 1 mol CO2; therefore ?mols MgCO3 = the same number of mols of CO2 produced. Now convert that to the conditions you want using PV = nRT.
P = 1 atm
V = solve for this in L.
n = from above
R = 0.08206 L*atm/mol*K
T = 350 C but convert to kelvin. K = 273 + C
Post your work if you get stuck.
1 kg MgCO3 = 1000 g.
mols MgCO3 = grams/molar mass = ?
For every mol MgCO3 you get 1 mol CO2; therefore ?mols MgCO3 = the same number of mols of CO2 produced. Now convert that to the conditions you want using PV = nRT.
P = 1 atm
V = solve for this in L.
n = from above
R = 0.08206 L*atm/mol*K
T = 350 C but convert to kelvin. K = 273 + C
Post your work if you get stuck.
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