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What mass of melamine, C3N3(NH2)3, will be obtained from 101.5 kg of urea,CO(NH2)2, if the yield of the overall reaction is 72.0%?
Express your answer to three significant figures and include the appropriate units.
oxalic acid h2c2o4 is a useful primary standard for standardizing solutions such as potassium permanganate kmno4. in a
Question- The Ka of a monoprotic weak acid is 2.48x10^-3. What is the percent ionization of a 0.199 M solution of this acid
What is the pressure (in atmospheres) of a sample of gas trapped in the closed-tube mercury manometer
how many grams of NaOH should be used to make 200 mL of a 0.24M solution of NaOH starting with a .400M HCL solution
consider one mole of a real gas constant pressure heat capacity cp of 32.52 jk expanded adiabatically and
Question- Draw complete mechanisms that explain the resultants product distributions observed for the reactions of 1-butanol and 2-methyl-2butanol under the reaction conditions of this experiment.
What is the molarity of a saline solution that contains 0.900 g NaCl (58.44 g/mol) dissolved in 100.0 mL of solution
The solubility of AgCl (s) in water at 25 C is 1.33 *10^-5 mol/L and its DeltaH of solution is 65.7 Kj/mol. What is the solubility at 68.3 C?
A test solution is made basic and drops of 0.1 M Ca(NO3)2 are added but no precipitate forms. What will occur next. Is this an acidic solution. Does a precipitate form. Explain.
Calculate the pH of 1.00 L of the buffer 1.04 M CH3COONa/ 0.91 M CH3COOH before and after the addition of the following species (Assume there is no change in volume)
You have prepared a saturated solution of X at 20C using 27.0 g of water. How much solute can be dissolved if the temperature is increased to 30 C?
How many Carbon 14 atoms are in a charcoal sample that has a decay rate of 3500 disintegrations per min
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