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a 4g sample of a protein was dissolved in water and the volume of the aqueous solution adjusted to 100mL. The osomotic pressure of this solution was 10.68 torr at 25 degrees C. What is the molecular mass of the protein?
A 2.5L bottle of concentrated sulfuric acid H2SO4 (16M) falls and breaks on the floor. What mass of NaHCO3 would be required to neutralize this acid spill through the following reaction HCO3 + H => H2O +CO2
What volume of each of the following acids will react completely with 50.31 mL of 0.146 M NaOH?
Can someone please provide both a CNMR and HNMR interpretation table for secbutylbenzene WITH labeled structures for each?
How much heat is required to convert 25.0g of ethanol at 25 degrees C to the vapor phase at 78 degrees C?
1) Why is it important to clean up any spills immediately, wash hands frequently, and wash glassware thoroughly when working with crystal violet solutions?
A saline solution used in intravenous drips for patients who cannot take oral fluids contains 0.92% (w/v) NaCl in water. How many grams of NaCl are contained in 729 mL of this solution.
If a bottle of nail polish remover contains 150g of acetone, how much heat would be released by its complete combustion?
What is the minimum number of microwave photons with a wavelength of 3.07 mm that will have to be absorbed by a 126.00 gram sample of water to heat it from 25°C to 100°C?
what is the mole fraction of hydrogen in a gaseous mixture that consists of 8.00 g of hydrogen and 12.00 g of neon in a 3.5 liter container maintained at 35.20 degrees celsius?
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops
determine the freezing point of this solution If 18.0 grams of a nonelectrolyte that has molar mass = 44.2 g/mol are combined with 110.0 grams of the solvent,?
The density of liquid oxygen at its boiling point is 1.14kg/L , and its heat of vaporization is 213kJ/kg. How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized.
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