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For the reaction PCl5 <=> PCl3 + Cl2, Kc= 33.7. Calculate the reaction quotient Q to determine which direction the reaction will shift toward when 0.00650 M PCl5, 1.04 M PCl3 and 0.0500 M Cl2 are mixed together in a 1.0 L flask?
calculate the pH OF 100.0 mL of a bufer that is 0.050 M NH4Cl and 0.110 M NH3 before and after the addition of 1.00 mL of 5.75 M HNO3. before=9.59 after=
Nuclear fuel is U-235, an alpha emitter with a half-life of 703 million years. How long would it take for the amount of U-235 to reach one-sixteenth of its initial amount
how much current is produced by the dissolution of .525 g of chromium per hour to produce chromium (III)?
If 29.10 mL of a 0.145 M nitric acid is required to neutralize 50.00 mL of barium hydroxide solution, what is the molar concentration of the base?
A 40-year-old manager, at a prominent legal firm in L.A., experiences abdominal pain post lunch. He goes to the restroom a couple of times, but continues to experience pain and cramps. He eventually decides to get himself examined.
the vinegar that are generally sold in the grocery stores it is described as 5 vv ch3cooh acetic acid.determine the
a solution of ethanol c2h5oh in water is prepared by dissolving 63.0 ml of ethanol density 0.79 gcm3 in enough water
Write a structural formula and a line-angle formula of each isomer of C4H8. Do not include any cyclic structure. Write the IUPAC name of each isomer. Make sure to include the cis- or tran- in the name if applicable.
The initial concentration of a reactant in a first order reaction is 0.620 molar. What will be its concentration after 3 half-lives
What is the buffer solution? What characteristics make this solution a buffer solution?
What is Go per mole of dichromate ions for the reduction of dichromate ions, Cr2O72-, to Cr3+ by bromide ions, Br-, in acidic solution?
the combustion of octane produces carbon dioxide and water. if you start with 10.0 mol of octane what mass of water in
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