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General Chemistry: Principles And Modern Applications Plus Mastering Chemistry With Pearson Etext -- Access Card Package (11th Edition)
- Aluminum is produced commercially by the electrolysis of Al2O3 in the presence of a molten salt. If a plant has a continuous capacity of 1.00 million A, what mass of aluminum can be produced in 2.00 h?arrow_forwardWhich of the following reactions occur spontaneously as written, with the production of a measurable electric current? a I2+NaBrBr2+2NaI b Li+NaClLiCl+Na c Li++Na+NaLi d Ag+LiAg+Li+ e 2Li++F22LiFarrow_forwardThe equation for the oxidation of phosphorus in air is P4(s) + 5 O2(g) P4O10(s). Identify the reactants and products and the stoichiometric coefficients. To what do the designations s and g refer?arrow_forward
- A gaseous hydrocarbon reacts completely with oxygen gas to form carbon dioxide and water vapour. Given the following data, determine Hf for the hydrocarbon: Hreaction=2044.5KJ/molhydrocarbonHf(CO2)=393.5KJ/molHf(H2O)=242KJ/mol Density of CO2 and H2O product mixture at 1.00 atm, 200.c = 0.751g/L. The density of the hydrocarbon is less than the density of Kr at the same conditions.arrow_forwardWhat is U for the following reaction at 25C? 2H2(g)+O2(g)2H2O(l)arrow_forwardCalculate the kinetic energy (in Joules) of 2.000 mole of hydrogen gas at 450.0K.arrow_forward
- You wish to prepare 500. mL of aqueous HCl 5.00 M starting with a 25.0 % (w/w) solution of aqueous HCl. The density of this solution (25.0% w/w) is 1.15 g/mL. What volume of HCl 25.0 % will you use?arrow_forwardAssume that a single cylinder of an automobile engine hasa volume of 524 cm3. (a) If the cylinder is full of air at 74 °C and 0.980 atm, how many moles of O2 are present? (Themole fraction of O2 in dry air is 0.2095.) (b) How manygrams of C8H18 could be combusted by this quantity ofO2, assuming complete combustion with formation ofCO2 and H2O?arrow_forward
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