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What is the mass of a piece of aluminum that is found to displace 13.4 ml of water and has a density of 2.66 g/cm^3
Select the statements that correctly describe the regio- and stereochemical outcome of the hydroboration-oxidation reaction: (A) syn-addition of H-B species; (B) anti-addition of H-B species
Does adding boiled, deionized water to the titrating flask to wash the wall of the Erlenmeyer flask and the buret tip affect the Ksp
The H+ concentration of a 1 M solution of benzoic acid is 8x10^-3 M. What percent of the benzoic acid, C6H5COOH is ionized in this aqueous solution?
Nickel oxide crystallizes in the NaCl type of cystal structure. The length of an edge of the unit cell of NiO is 4.18A. What is the NiO bond length?
a perfect gas undergoes isothermal compression which reduces its volume by 2.20 L. the final pressure and volume of the gas are 3.78x10^3 torr and 4.65 L, respectively
How many liters of liquid nitrogen are produced when 982.0 L of nitrogen gas is liquefied at 77.36K?
How much does the molar enthalpy change when 147 g. of water cools from 90.0 C to 17.0 C when 20.0 g. of KCL is added to the water? Is this reaction exothermic or endothermic?
Liquid-in-glass thermometer are of two types:mercury in glass and alcohol plus red dye in glass. the dependence of volume on temperature of mercury and alcohol.
A vitamin tablet contains 501 mg of vitamin C (C6H8O6). How many vitamin C molecules are contained in the tablet?
The crystalline form of silver (Ag) is composed of face-centered cubic unit cells. If the density of silver is 10.48 g/cm3 at room temperature
Suppose that a nuclear reactor is full with 1 million liters of contaminated (radioactive) water. Flushing of the contaminated water by flowing-in uncontaminated water at a rate of 1000 liters per day is being considered.
Methanol (CH4O), which is used as a fuel in high-performance racing cars, burns in the presence of O2 to form CO2 and H2O. The molar masses for all substances are given under the balance equation.
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