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The coinage metals -- copper, silver, and gold -- crystallize in a cubic closest packed structure. Use the density of copper (8.95 g/cm3) and its molar mass (63.55 g/mol) to calculate an approximate atomic radius for copper.
what is the molar mass of the gas. B. If the flask can withstand pressures up to 1.30 atm, calculate the maximum temperature to which the gas can be heated without breaking.
What is the percent yield of elemental sulfur if 7.54 grams of sulfur are obtained from the reaction of 6.16 grams of SO2 with an excess of H2S. 2H2S + SO2---> 2H20 +3S
task is to convert o-xylene into o-diaminobenzene. Which sequence of reagents constitutes the best method
Glass will dissolve in concentrated solutions of either NaOH or KOH. At 25C the two reactions below tae place at the same rate. 4NaOH + SiOH2 -->Na4SiO4 + 2H2O is reaction 1. reaction 2 is 4KOH + SiO2 ---> K4SiO4 + 2H2O
In a solution containing the following dissolved species, which would contribute positively to alkalinity. Explain
If the temperature in the laboratory is 22.7oC and the atmospheric pressure is 0.966 atm, what volume would be occupied by the carbon dioxide produced in this reaction (in cm3)?
Half-life equation for first-order reactions: where is the half-life in seconds , and is the rate constant in inverse seconds . Part A What is the half-life of a first-order reaction with a rate constant
Calculate the pH in the titration of 25.0 mL of 0.100 acetic acid by sodium hydroxide after the addition
What is the molal concentration of glucose in this solution. Assume that the freezing point of pure water is 0.00 ^\circ \rm C.
The pH of a white vinegar solution is 2.29. This vinegar is aqueous solution of acetic acid with a density of 1.09 g/mL. What is the mass percentage of acetic acid in the solution?
Nitrogen boils at -320F What is the temperature on the Celsius scale. Please show your solution to problem
Using the list of Active Ingredients provided, was there enough HCl added to completely neutralize Naproxen Sodium. (Show all calculations). List of ingredients: 5mL ethyl acetate, 1mL HCl, 1mL brine (saturated NaCl sln), tip of scoopula of Na2S..
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