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An industrial process makes calcium oxide by decomposing calcium carbonate. Which of the following is NOT needed to calculate the mass of calcium oxide that can be produced from 4.7 kg of calcium carbonate?
the balanced chemical equation
molar masses of the reactants
molar masses of the product
the volume of the unknown mass
A solution of 1-pentanol and butanoic acid in ether is shaken with aqueous sodium bicarbonate (NaHCO3) solution. Which of the following correctly describes the major organic contents of the two solutions? Can you explain the answer you chose
Drinking water in the USA cannot exceed 0.5 ppm mercury. What mass of mercury is present in 2.4 L of water at this concentration
A solution was prepared by mixing 50.00 mL of 0.190 M HNO3 and 124.00 mL of 0.150 M HNO3. Calculate the molarity of the final solution of nitric acid.
starting with 1-pentanoic acid and using any other required reagents outline a synthesis for 1-penten-2-ol
Some sample solution was spilled into the outside of the graduated cylinder while preparing the sample, and before determining the volume.
Express you answer as a chemical equation. Identify all of the phases in your answer.
vinger contains 5.0 g of acetic acid, CH3COOH,in 100.0 mL of solution. Calculate the molarity of acetic acid vinegar?
The Ka of a monoprotic weak acid is 6.08 × 10-3. What is the percent ionization of a 0.187 M solution of this acid
Archeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive slope 14C present in the object. The amount of isolope decreases in a first-ordrr process.
The mass spectrum of a compound that contains two bromine atoms gives isotope peaks with relative intensities of 1:2:1 for the M, M+2 and M+4 peaks, respectively. Explain why.
The Henderson-Hasselbalch equation is used to calculate the pH of a weak base, but not the pH of a weak acid.
Calculate the following values for a 0.0150 M solution of NaH2A. and Calculate the following values for a 0.0150 M solution of Na2HA.
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