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What product(s) are expected in the ethoxide-promoted β-elimination reaction of 2-bromo-2,3-dimethylbutane? Omit ions, salts, and ethanol from your response.
toothpaste contains 0.24% by mass sodium flouride used to prevent dental cavities. One tube contains 119g of toothpaste. How many moles of NaF are in the tube?
How many mL of 0.250 M NaOH are needed to completely saponify 240. g of of glyceryl trioleate (triolein)?
The combustion of .1703 mole of hydrocarbon produces 12.27g H2O and 22.48g CO2. What is the molar mass of the hydrocarbon?
If 4.50 g of methane gas (CH4) is in a 2.00-L container at 35°C, what is the pressure in the container?
buffer contains 0.50 mol NH4+ and 0.50 mol NH3 diluted with water to 1.0 L. How many moles of NaOH are required to increase the pH of the buffer to 10.00? pKa of NH4+ = 9.25.
If solubility of a gas is 7.5 g/L at 404 kPa pressure, what is the solubility of the gas when the pressure is 2021 kPa?
an aerosol can holds 0.35 L at 4.5 atm pressure. What is the volume when the gas is released into 1.0 atm pressure.
Propose a neutral structure for each compound that is consistent with the data. Note that the absolute stereochemical configurations of chiral substances cannot be determined from the data. Arbitrarily draw a configuration for an enantiomer (and b..
Which of the following solutions has the highest pH at 25?C?
A material is found to have a tenth-thickness of 2.3 cm for 1.25-MeV gamma rays. a) what is the linear attenuation coefficient for this material? b) What is the half thickness? c) what is the mean-free-path length for 1.25-MeV photons in this mate..
A 1.17 g sample of an alkane hydrocarbon gas occupies a volume of 674 mL at 28°C and 741 mmHg. Alkanes are known to have the general formula CnH2n+2.
give a detailed mechanism of the reaction3. there are two possible products from this reaction. give the structure of both and explain why the product you obtained is a major product
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