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Draw a possible Lewis structure for a IF7 molecule. List two possible names for this shape. What hybridized orbitals are used by the central iodine atom in this molecule?
Calculating concentration of an ion, Given the concentration of hydroxide ions, use the ion product constant of water to calculate the concentration of the other ion at 298 K
What mass of potassium oxalate is formed? If 1.1 g of potassium oxalate are isolated in the laboratory, calculate the % yield.
A solution is made by mixing 8.00 (millimoles) of and 1.00 of the strong base. What is the resulting pH?
50.0 mL of 0.10 M HNO2 (Ka=4.5E-4) is added to 25.0 mL of 0.25 M KNO2 solution. What is the pH of the final solution
What is the molecular weight of a gas if a 21.0 g sample has a pressure of 836 mm Hg at 25.0 C in a 2.00 L flask?
Which of the following substances form molecular crystals in solid form?
If you had excess chlorine, how many moles of aluminum chloride could be produced from 15.0g of aluminum
A balloon is partly inflated with 480 liters of helium at sea level where the atmospheric pressure is 996 mbar.The balloon ascends to a altitude of 3000 meters.
A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide. 2 HgO(s)-----> 2 Hg(l) + O2(g) delta H rxn = 181.6 kJ (a) How much heat is needed to decompose 505 g of the oxide
What's the purpose of acetic acid and sodium acetate in the lab bromination and debromination of cholesterol?
How much energy in kilojoules is required to convert 100 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL.
Please provide a complete mechanism (using arrows and lone pairs) for the synthesis of 2-ethyl-2,4,5-trimethyl-1,3-dioxolane using 2-butanone and 2,3-butanediol in an acidic environment (H2SO4).
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