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Calculate volume in milliliters of a 1.96 mol/L calcium bromide solution that contains 275. mmol of calcium bromide CaBr2. Round your answer to 3 significant digits.
A sample of commercial concentrated hydrochloric acid is 11.8 M HCl and has a density of 1.190 g/mL. Calculate (a) the mass percentage, (b) molality and (c) mole fraction of HCl in concentrated hydrochloric acid.
A TLC plate showed two spots with Rf values of 0.25 and 0.26. The plate was removed from the developing chamber, the residual solvent was allowed to evaporate from the plate, and then the plate was returned to the developing chamber
The Planck distribution gives the energy in the wavelength range dA at the wavelength A. Calculate the energy density in the range 650 nm to 655 nm inside a cavity of volume
In Part A, we saw that the theoretical yield of aluminum oxide is 1.40 mol. Calculate the percent yield if the actual yield of aluminum oxide is 0.672 mol.
how will you be able to visibly detect the oxidation proces of benzyl alcohol to
How many grams sodium chloride (mol wt = 58.4g/mole) are needed to make 550 mL of a 1.90 M aqueous solution of sodium chloride
a. exchanges energy when a phosphate bond is hydrolyzed b. the high energy form of coenzyme A c. the oxidized form of nicotinamide adenine dinucleotide.
What volume (in mL) of 0.583 M solution of sodium chloride can be made from 48.3 mL of a 1.88 M solution? Assume the volumes are additive
Aqueous hydrobromic acid will react with solid sodium hydroxide to produce aqueous sodium bromide and liquid water . Suppose 36.4 g of hydrobromic acid is mixed with 5.9 g of sodium hydroxide.
A nuclear power plant operating at 40.0% efficiency produces 1132 MW of usable power in 1.00 year and consumes 1.16×10^6 g of uranium-235. What is the energy in joules released by the fission of a single uranium-235 atom. Answer in Joules/atom.
A helium-filled balloon has a volume of 2.63 L at 28 ? C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day.
Calcium in a mineral was analyzed five times by each of two methods. Are the mean values significantly different at the 95% confidence level? Method1: 0.0271 0.0282 0.0279 0.0271 0.0275 Method2: 0.0271 0.0268 0.0263 0.0274 0.0269 Chemistry
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