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The refining of aluminium from bauxite ore proceeds by the overall reaction:2Al2O3 + 3C --> 4Al + 3CO2How much bauxite ore(containing 50% aluminium oxide) is required to give 5.0 x 1013 g of aluminium. ( Assume 100% conversion)
Determine how many atoms there are in 1 gallon using your knowledge of mole calculations and unit conversions. Assume that the molecular formula for gasoline = C6H14 ,the density of gasoline =0.85 grams/mL
Determine the concentration of a solution prepared by diluting 25.0 milliliters of a 12 molar HCl solution with H2O until the final volume is 2.50 x 10² milliliters.
Determine What is the final concentration and calculate what is the Ksp of this salt at temperature of 25 degrees Celsius?
if H2 of 50.0 mL and C 2 H 4 of 50.0 mL are permitted to react at the pressure of 1.5 atm, produce C 2 H 6 that has a volume of 50.0 mille litres.. compute the amount of (PV )work done?
The volume of a 24.0g sample of methane gas is 22.8L at 40.0*C and 4.00atm. What will it's volume be at 68.0*C and 4.00atm.
Determine the limiting reactant -reaction mixture initially contains no products
The determination of iron in industrial waste stream is often carried out by reacting the water sample with o-phenanthroline to form a red-orange complex that absorbs at 510 nm.
Suppose 5.00g of Ca is added to 50.0mL of 1.00M HCL. Determine the limiting reactant in this case and number of moles of calcium actually consumed.
Gas stoichiometry and Percentage of calcium carbonate in the sample
Compute the work done when 55.0 grams of tin mixes in excess acid at the pressure of 1.00 atm and at a temperature of 24°C.
Advantages and disadvantages of using Alternative Fuel and Would you consider buying one of these in the future? Why or Why Not and Why do you think there are not more of these vehicles in use?
If 93 of heat are added to a pure gold coin with a mass of 11 , what is its temperature change? Specific heat capacity of gold is 0.128?
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