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What monatomic ions do sulfur (Z = 16) and aluminum (Z = 13) form? (Type your answer using the format [Cu]+ for Cu+ and [Cu]2+ for Cu2+.)
A) sulfur
B) aluminum
When pure carbon burns in air, 10.0 kg of carbon react with the oxygen in the air to form 36.7 kg of carbon dioxide. Calculate the percentage of oxygen contained in carbon dioxide.
warmed then 125 microliters of unknown xylene and 10 mg detergent were refluxed for 45 minutes. Then we added sodium bisulfite until the purple color was gone for one step. What is the role of sodium bisulfite in such a procedure?
consider the reactioncacn2 3 h2o caco3 2 nh3 .how much caco3 is produced if 47.5 moles nh3 are produced?1. 0.950 g2.
A 25:75 mixture of acetone:toluene is heated to 70 C at a pressure of 760 mmHg. What is the total vapor pressure of the system? Is the system a liquid below boiling, at boiling, or a gas?
Which contains the larger number of molecules, 10.0 g H2O or 10.0 g H2O2. In a blast furnace, iron (III) oxide reacts with coke (carbon) to produce molten iron and carbon monoxide
Ranked the free energy changes for hydrolysis of these phosphorylated compounds from the most negative (on the left) to the most positive (on the right)
How many moles of Fe would be formed from 50 grams of Fe3O4 in the following equation
Octane or C8H18 (l) is a component of gasoline. If 35.0 mol O2 (g) in the air is used to burn a sample of octane completely. How many grams of carbon dioxide gas are produced
What is the approximate thermal energy in kJ/mol of molecules at 0° C. Express your answer to the nearest 0.1 kJ/mol
Identify the steric number, shape, hybridization about the central atom and molecular polarity of sulphuryl chloride, SO2Cl2.
Determine the theoretical and percent yield of your product. In the IR spectrum of phenacetin which peaks are due to the following vibrations: (list the wavenumbers)
A solution of HCl has a pH of 2.50. How many grams of HCl are there in 0.250 L of this solution? How many grams of HCl are in 250mL of an HCl solution that has twice this pH
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