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1. under what circumstances is the molecular geometry around a single central atom the same as the electron group geometry around the central atom?
2.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?
detailed reaction mechanism for the acid-catalyzed hydrolysis of lactose to its component monosaccharides
A reaction mechanism involving three steps is shown below. Identify all of the catalysts in the following mechanism.
gasoline has the density of .73g/cm^3. how many liters of gasoline would be required to increase the mass of an automobile from 1271 kg to 1305 kg.
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
Calculate the mass of CuS produced and the concentration of H+ ion produced by bubbling H2S into 1.00 L of 0.10 M CuCl(aq) solution.
The amount of heat needed to raise the temperature of 25 g of a substance by 15°C is 915 J. What is the specific heat of the substance?
The volume of a gas sample is 200L at 740 torr. what is its volume at 760 torr? Assume that the Temperature remains constant
Given that the pKa for Acetic Acid is 4.77, calculate the expected pH of the buffer solutions using the Henderson-Hasselbalch equation and the concentrations of Acetic Acid and Acetate added to the 250 ml Erlenmeyer flask.
Carbon dioxide, which is recognized as the major contributor to global warming as a greenhouse gas, is formed when fossil fuels are combusted, as in electrical power plants fueled by coal, oil, or natural gas
A graduated cylinder contains 10.0 of water. What is the new water level after 36.0 of silver metal is submerged in the water.
A student constructs a coffee cup colrimeter and places 50 ml of water into it. After a brief period of stabilization, the temp of the water in the calorimeter is 23.5 celsius
Calculate its standard heat of combustion in kilojoules. Methyl tert-butyl ether (MTBE), , a gasoline additive used to boost octane ratings, has = -313.6.
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