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A solution is known to contain Bi3+ ion or Cd2+ ion or both. Describe the test(s) that could be used to separate and identify these ions. Describe the results you would expect to see for each ion, if that ion were present.
Consider an aqueous solution that is saturated with lead iodide, lead sulfate and 0.10 M K2SO4 (a strong electrolyte). Write mass and charge balance equations that describe the system
A particular reactant decomposes with a half-life of 115 s when its initial concentration is 0.353 M. The same reactant decomposes with a half-life of 225 s when its initial concentration is 0.180 M.
Write out the chemical equation and the equilibrium constant expression based on the concentration.
what will be the equilibrium concentration of CO.
A 10.3 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
What is the volume occupied by 25.6 g of argon gas at a pressure of 1.41 atm and a temperature of 411 K?
the combustion of how many moles of ethane would be required to heat
The vapor pressure of pure propyl chloride is 347 torr at 25°C and that of pure propyl bromide is 133 torr at 25°C. Assume that the solution is an ideal solution.
Consider another expandable balloon is filled with nitrogen gas. The density of the gas is 1.24 g/L and the outside pressure is 1.05 atm. What is the temperature of the gas?
Study of a first-order reaction, In the study of a first-order reaction, A--->B, it is found that A/Ao=0.125 after one hour. The system initially consisted of 0.20 mole of a gaseous A at 25 degrees C and 1 atm
Calculate the theoretical yield of aspirin to be obtained, starting with 2.0 g of salicylic acid. 2. If 1.8 g of aspirin were obtained in this experiment, what would be the percent yield?
Recommend an explanation why the cyclic intermediate might have two important groups in a trans relationship that could factor the E-alkene.
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