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Suppose you treat ethanol with HBr or bromoethane with sodium ethoxide, NaOCH2CH3 you attain the same compound. Define what the compound is and explain why the two different reactions give the same organic product. Remember that organic reactions can be explained as Lewis Acid/Base reactions.
A 500 mg tablet of antacid (all 500mg is calcium carbonate) is put into 250 ml of 0.12M hydrochloric acid. What volume of gas is produced at STP and how many moles of excess H3O+ are left over
By differentiation of the 2s radial wavefunction, show that it has two extrema in its amplitude and locate them.
A student weighed 0.4521 g of sodium oxalate and dissolved in 50 mL of distilled water and 10 mL of 4.0M H2SO4. The solution was titrated with 58 mL of KMnO4, what was the concentration of KMnO4.
A 15.0 g piece of iron (Cp = 25.09 J/mol-C) is heated to a temperature of 47.0 ?C and then placed in contact with a 275 g piece of copper at 20.0 ?C (Cp = 25.46 J/mol-C). What was the final temperature of the two pieces of metal?
A quantity of 4.00 102 mL of 0.600 M HNO3 is mixed with 4.00 102 mL of 0.300 M Ba(OH)2 in a constant-pressure calorimeter of negligible heat capacity. The initial temperature of both solutions is the same at 18.76°C. What is the final temperature ..
The molar solubility of MnCO3 is 4.2 x 10-6 M. What is Ksp for this compound?
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 theoretical yield of iron in the reaction of 254 g of iron (III) oxide with 25.0 g of carbon, according to the equation 2Fe2O3(s) + 3C(s)> 4Fe(s) +3CO2(g)
a sample of gas in a21.5-l container at 45.0 degc is cooled at constant pressure to a temperature of-37.0 degc at
The molar solubility of magnesium carbonate is 1.8 ? 10-4 mol/L. What is Ksp for this compound
Calculate the molar mass of the biomolecule. for carbon tetrachloride, the boiling-point constant is 5.03 degrees C x kg/mol, and the boiling point of pure carbon tetrachloride is 76.50 degrees C.
What mass of sucrose should be combined with 514 g of water to make a solution with an osmotic pressure of 8.85 atm at 295 K? (Assume the density of the solution to be equal to the density of the solvent.)
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