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A chemistry student needs 60.00 mL of chloroform for an experiment. By consulting the CRC Handbook of Chemistry and Physics, the student discovers that the density of chloroform is 1.48 g x cm^-3. Calculate the mass of chloroform the student should weigh out.
A 20.0 gram aluminum ball (specific heat 0.90 J g-1 °C-1) at 80 °C was placed in 50 grams of water initially at 22.9 °C. What is the final temperature of the water and alumi
A sample of an unknowk gas effuses in 11.6 min. An equal volume of H2 in the same apparatus under the same conditions effuses in 2.42 min. what is the molar mass of the unko
An unknown salt is either NaF, NaCl or NaOCl. While 0.050 mol of the salt is dissolved in water to form 0.500 L of solution, the pH of the solution is 8.08. Which salt is it
At 900 C, the Kc = .83. Presume 400 mol of COCl2 are admitted into a2.00 L container at 900 C. Explain what will the equilibrium concentrations of CO, CL2 and COCl2? Use the
The complex ion [CoBr6]3- is a high-spin complex and absorbs light at a wavelength greater than 7.70×102nm . How many unpaired electrons will be present in the complex
Identify the species that is oxidized and the species that is reduced in each reaction.Write out two half reaction to show how many electrons are gained or lost by each spec
How many molecules of water are produced when 143 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water.
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 re
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