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if all of the electron groups around a single central atom are bonding, and the same outer atom is bonded to the central atom in each case, is the molecule polar, nonpolar, or does it depend on the identity of the outer atom? explain.
Calculate the total volume of gas (at 124C and 758mmHg) produced by the complete decomposition of 1.45 kg of ammonium nitrate.
a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid. How many moles of KOH were in the sample?
which anions generally form percipitates? what are the exceptions?
A sample of calcium carbonate absorbs 45.5 J of heat, upon which the temperature of the sample increases from 21.1 oC to 28.5 oC. If the specific heat of calcium carbonate is 0.82 J/g K,
a sample of nitrogen gas occupies 1.55 l at 27.0c and 1.00atm. what will be the volume be at -100.0 C and the same pressure
Calculate the kinetic energy of the goose in joules if the goose has a mass of 16.8lb (pounds) and is flying at 10.3miles/h (miles per hour). ?
buffer solution from a solution of 0.200-M aniline, C6H5NH2, a weak base, and a solution of 0.100-M hydrochloric acid. take the pKa of aniline to be 9.13.
In the borohydride reduction of camphor, the two end products were borneol and isoborneol.
The greater volume per mole at the higher temperature indicates greater average intermolecular distances and hence weaker intermolecular forces.
a 54.1 gram sample of an unknown hydrocarbon was burned in an excess of oxygen to form 88.0grams of carbon dioxide and 27.0grams of water. what is a possible molecular formula for the hydrocarbon?
In a certain experiement, 4.6 g Al is reacted with excess oxygen and 6.8 g of product is obtained according to this reaction: 4 Al + 3 O2 --> 2 Al2O3 What is the theoretical yield for this reaction
A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.8635 g of CO2 and 0.1767 g of H2O.
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