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The ideal gas law PV=nRT relates pressure P, volume V, temperature T, and number of moles...

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Chemistry

The ideal gas law PV=nRT relates pressure P, volume V,temperature T, and number of moles of a gas, n. The gas constant Requals 0.08206 Lâ‹…atm/(Kâ‹…mol) or 8.3145 J/(Kâ‹…mol). The equation canbe rearranged as follows to solve for n: n=PVRT This equation isuseful when dealing with gaseous reactions because stoichiometriccalculations involve mole ratios.

Part A

When heated, calcium carbonate decomposes to yield calcium oxideand carbon dioxide gas via the reaction CaCO3(s)→CaO(s)+CO2(g) Whatis the mass of calcium carbonate needed to produce 53.0 L of carbondioxide at STP? Express your answer with the appropriate units.

Part B

Butane, C4H10, is a component of natural gas that is used asfuel for cigarette lighters. The balanced equation of the completecombustion of butane is 2C4H10(g)+13O2(g)→8CO2(g)+10H2O(l) At 1.00atm and 23 ∘C, what is the volume of carbon dioxide formed by thecombustion of 3.80 g of butane? Express your answer with theappropriate units.

Answer & Explanation Solved by verified expert
3.5 Ratings (478 Votes)
Part A 1 mol of any can can occupy 224 L at STP it is the key point to solve this proble CaCO3    See Answer
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