Can someone please help me on these chemistry problems?? - Freemason Hirams Travels Masonic Forums

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03-06-2008, 10:34 PM

angelprtgrl

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Can someone please help me on these chemistry problems??

4.At STP, one mole of any ideal gas will occupy what volume?
How about 2 moles? 0.5 moles?

5. When calcium carbonate is heated strongly, carbon dioxide is released
CaCO3(s) -----------> CaO(s) + CO2(g)
What volume of CO2(g), measured at STP, is produced if 15.2g of CaCO3(s) is heated?
My teacher told us that #5 is a stoichemistry problem.

Please HELP!!
Thanks!

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