What is the pressure of nitrogen gas
N2 is .070 moles, O2 is 0.35 moles and CO2 is 0.20 moles, the total is pressure 1.55 atm what is the pressure of N2?
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Calculate the apparent degree of dissociation of the NH4Cl if the freezing point of this solution is -15.3OC?(Molal freezing point constant =1.86OC)
Sulfuric acid is a diprotic acid with the formula H2SO4. Phosphoric acid is a triprotic acid with the formula H3PO4. Which will have a lower pH as aqueous solutions? A 1 M solution of H2SO4 or a 1M solution of H3PO4? Explain with words and equatio
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The most common source of copper Cu) is the mineral chalcopyrite CuFeS_2). How many kilograms of chalcopyrite must be mined to obtain 355 g of pure Cu?
What conversion factor is present in almost all stoichiometry calculations?
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