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A 2.10g sample of an unknown monoprotic acid is titrated with 38.10mL of 0.265 M NaOH. Calculate the molar mass of the acid.
What is the hybridization or what atomic orbitals are used by nitrogen in ammonia?
If 352 g of magnesium reacts with excess oxygen to produce 296 g of magnesium oxide, what is the percent yield for the reaction?
A graduated cylinder contains 152 mL of water. A 14.0 g piece of iron (density = 7.86 rm{g/cm^3}) and a 16.0 g piece of lead are added. What is the new water level in the cylinder?
How much energy (in kilojoules) is required to convert 225 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL?
What was the nucleophile generated? What are the other products that can be formed in the presence of sulfuric acid?
Compound A, C6H10O2, is optically active. It dissolves slowly in aqueous NaOH, consuming one equivalent of base. When the solution is acidified, A is slowly regenerated.
How many grams of ammonium sulfate are needed to make 0.3500 L solution at a concentration of 5.000M.
Solutions with greatest long-wavelength UVA absorption: Name of strongest UVA absorbing ingredient
The activation energy of a certain reaction is 45.3kJ/mol . At 24{~}^{\circ}\rm C , the rate constant is 0.0160s^{-1} . At what temperature in degrees Celsius would this reaction go twice as fast?
A furnace is burning coal at the rate of 950,000 kg of coal/day. The coal contains 5.5% ash and 99% of that ash is collected in the air pollution control (APC) device downstream from the furnace
The same organism can grow on a medium lacking all three amino acids. Explain these observation(Biochemistry expalanation and detailed)
What volumes of the stock solution will you have to pipet into the flasks to prepare standards and What mass of gas does the container contains If the volume of a container
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