Calculate the empirical formula for a chemical compound
Calculate the empirical formula for a chemical compound which gives the following analysis: 12.6 percent lithium, 29.2 percent sulfur, and 58.2 percent oxygen.
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How many pounds of are produced from the complete combustion of 1.00 gal of gasoline? Assume that gasoline has the formula C8H18 and has a density of 0.703 g/mL
All substances are gases. What is the equilibrium concentration of nitrogen when 0.341 M of NO are placed in a flask and allowed to equilibrate? The equilibrium constant of the reaction is 6.53
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Calculate the change in volume that occurs when a 10 cm cubed piece of copper is heated from 20 degrees to C to 100 degrees C.
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A liquid unknown was found to be inslouble in water & soluble in cyclohexane & alcohol; the unknown was found to have a boiling point of 58 degress celsius at 670mm Hg. What is the substance? What could you do to confirm your answer?
At a particular temperature, K=2.0x10^-6 mol/L for the following reaction: 2CO2 (g) at equilibrium with 2CO(g) + O2 (g) If 2.1 mol CO2 is initially placed into a 4.2 L vessel, calculate the equilibrium concentrations for all of the species.
Using enthalpies of formation, calculate the quantity of heat produced when 3.80 g of butane is completely combusted in air under standard conditions.
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