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What volume (in mL) of 0.566 M solution of potassium hydroxide can be made from 58.9 mL of a 1.87 M solution? Assume the volumes are additive.
Calculate the fraction of atoms in a sample of argon gas at 360. K that have an energy of 14.0 kJ or greater.
How many grams of chromium would be electroplated by passing a constant current of 5.2 amperes through a solution containing chromium(III) sulfate for 45.0 minutes.
The vapor pressure of methanol at 30. oC is 158 torr. What mass (in grams) of methanol actually evaporates?
Maleic acid is a carbon-hydrogen-oxygen compound used in dyeing and finishing fabrics and as a preservative of oils and fats. In a combustion analysis, a 1.054- sample of maleic acid yields 1.599 of and 0.327 of.
A buffer is prepared by mixing 429 mL of 0.255 M NaOH with 677 mL of 0.795 M sodium bicarbonate (NaHCO3). Given that the Ka1of H2CO3 is 4.5 x 10-7
To creates a genetically modified transgenic goat that produce a protein that acts as a drug in its milk. The concentration of drug in the milk is 10 mM
Determine the empirical formula of each of the following compounds. (Type your answer using the format CH4 for CH4 and list the elements in the same order as they are mentioned in the problem.
titanium metal has a body-centered circle unit cell. The density of titanium is 4.50 g/cm^3 . Calculate the edge length of the unit cell and a value for the atomic radius of titanium.
Why is lip gloss long lasting containing petroleum? How many metric tonnes of 5%-S coal would be required to yield the H2SO4 needed to produce a 2.0-cm rainfall of pH 2.00 over an area of 100 square kilometers?
a column of air with a pressure of 1.57 x 105 Pa and an area of 1.07 m2 and given that the acceleration due to gravity is 9.8 m/s2, what is the mass of the column.
Chlorine will spontaneously react with iodide to produce chloride and iodine.
A solution of nacl in water was electrolyzed with a current of 2.50 amps for 15.0 min. How many millimeters of 0.100m hcl would be required to neutralize
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