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A compound has the empirical formula C5H12O. Upon controlled oxidation, it is converted into a compound of empirical formula C5H10O, which behaves as a ketone. Draw possible structures for the original compound and the final compound.
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A 44.0 g sample of an unknown metal at 99.0 o C was placed in a constant-pressure calorimeter of negligible heat capacity containing 80.0 mL water at 24.0 o C. The final temperature of the system was found to be 28.4 ...
As your book describes, the United States did not recognize foreign copyrights until the late 1800s. As a result, U.S. publishers routinely published foreign works without permission or compensation for the non U.S. auth ...
Explain why the mass of the crucible and anhydrous salt is less than the mass of the crucible and the hydrate. What is the chemical formula of copper (II) sulfate?
A 0.0500-mol sample of a nutrient substance is burned in a bomb calorimeter containing 2.00 × 10 2 g H 2 O. If the molar mass of this nutrient substance is 114 g/mol, what is the fuel value (in nutritional Cal) if the t ...
1. 2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 2. A tank ...
What is the calculation of the new temperature of a gas sample has an original volume of 740 ml when collected at 710 mm and 35 o C when the volume becomes 460 ml at 1.20 atm?
An electron is ejected from a metal with a velocity 7.78 x10^5 m/s. If the metal has a threshold frequency of 9.90 x1014 Hz, what was the wavelength of the incident photon?
Question - The solubility of O 2 (g) in water is 4.43 mg of O 2 /100g H 2 O at 20 o C and 1 atm pressure. What pressure of O 2 (g) would be required to produce a saturated solution that is 0.010 M O 2 ?
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.
1. A beaker contains a clear, colorless liquid. It has three chemical substances in it, two are liquid and one of them is a solid. How could you determine if it has water, ethanol, and table salt? Remember you're not all ...
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