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Predict the direction of the reaction when chlorine gas is added to an equilibrium mixture of COCL2, CO, and CL2. The reaction is COCL2(g) CO(g) + Cl2 (g)
What would be the molarity of a nonelectrolyte in an aqueous solution if it exhibited an osmotic pressure of 14060torr at 220C
A second 50ml aliquot was brought to a pH of 10 with an HCN/NaCN buffer, which also served to mask Cd2+; 11.56 ml of EDTA solution were needed to titrate the Pb2+. Calculate the percentage of Pb and Cd in the sample.
The reagents available other than DI water are 3.0 M solutions of any acid or base that you may need. How would you go about preparing this buffer
Write molecular, total ionic, and net ionic equations for the reaction of AgNO3 and NaCl (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.)
List a balanced chemical equation for each of these chemical reaction types and explain how it is used
Concentrated sulfuric acid has a concentration of 18 M. How much concentrated sulfuric acid would be needed to make 255 mL of 1.0 M sulfuric acid?
A gas expands and does P-V work on the surroundings equal to 321 J. At the same time, it absorbs 177 J of heat from the surroundings. Calculate the change in energy of the gas.
a sample of nitrogen occupies a volume 300 Ml at 30 degrees celcius and 700 mm Hg of pressure. what will be its volume at STP.
The solution to physical chemistry, A laser used to read CDs emits red light of wavelength 700 nm. How many photons does the laser emit per second
Determine the calorimeter constant of the calorimeter in which the combustion of 0.600 g of sucrose raises the temp by 1.96 C
Which of the following, when added in equal molar amounts to the AgOH/water mixture, will lead to the greatest concentration of dissolved Ag+ at equilibrium?
What can you conclude from these results? -- Need 4 of them because I'm lost. Also, how can I estimate the useful range of a pH meter?
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