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Which of the following compounds would you expect to be ioni…

Which of the following compounds would you expect to be ionic? NH3{“version”:”1.1″,”math”:”NH3″} SCl6{“version”:”1.1″,”math”:”SCl6″} H2O2{“version”:”1.1″,”math”:”H2O2″} MgO{“version”:”1.1″,”math”:”MgO”} K2SO4{“version”:”1.1″,”math”:”K2SO4″} CO{“version”:”1.1″,”math”:”CO”} SO3{“version”:”1.1″,”math”:”SO3″} SrCl2{“version”:”1.1″,”math”:”SrCl2″}

The phosphorus pentoxide used to produce phosphoric acid for…

The phosphorus pentoxide used to produce phosphoric acid for cola soft drinks is prepared by burning phosphorus in oxygen. If 0.200 mol of oxygen is reacted with an excess of phosphorous, what is the percent yield of the reaction if 10.0 g is isolated?P4(s) + 5O2(g) → P4O10(s) Write out your calculations and answers clearly, with all numbers labeled correctly, on a piece of paper.  Right after submitting your exam, upload your photos to the Assignment Box, “Calculations for Exam 2 (Chapter 3)”

Kaolinite, a clay mineral with the formula Al4Si4O10(OH)8, i…

Kaolinite, a clay mineral with the formula Al4Si4O10(OH)8, is used as a filler in slick-paper for magazines and as a raw material for ceramics. Analysis shows that 14.35 g of kaolinite contains 8.009 g of oxygen. Calculate the mass percent of oxygen in kaolinite. Write out your calculations and answers clearly, with all numbers labeled correctly, on a piece of paper.  Right after submitting your exam, upload your photos to the Assignment Box, “Calculations for Exam 2 (Chapter 3)”

Sulfur dioxide is an intermediate in the preparation of sulf…

Sulfur dioxide is an intermediate in the preparation of sulfuric acid. What volume of SO2 at 562 °C and 1.81 atm is produced by burning 2.00 kg of sulfur in oxygen, according to the following equation:S + O2(g) → SO2(g) Write out your calculations and answers clearly, with all numbers labeled correctly, on a piece of paper.  Right after submitting your exam, upload your photos to the Assignment Box, “Calculations for Exam 4 (Chapter 5 and 6)”