Ionization constants for sulfurous acid
Calculate the concentrations of all species in a 0.690 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
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What is the purpose of anhydrous CaCl2? Why it is important that none of the solid CaCl2 be included in the final distillation of your 1-bromobutane?
Hydrocarbons are often reacted with steam to form H2, as shown for propane. Calculate Kp for this reaction at a particular temperature, given:
Calculate the amount of work done against an atmospheric pressure of 1.00 atm when 500.0 g of zinc dissolves in excess acid at 30.0°C.
Magnesium carbonate was added to 25cm cubed of 2.0 mol/dm cubed of nitric acid. All the nitric acid is used up in the reaction. Calculate the volume of gas obtained in the reaction.
When 75.0 of a 0.100 lead nitrate solution is mixed with 100.0 of a 0.190 potassium iodide solution, a yellow-orange precipitate of lead iodide is formed what is the molarity of each resulting ion?
The device shown is used in the semiconductor industry to polish silicon wafers. The wafers are placed on the faces of the carriers. The outer and inner rings are then rotated causing the wafers to move and rotate against an abrasive surface.
A nurse has to administer a 1000ml IV solution in 8 hours. Find the number of drops per minute knowing the IV solution delivers 20 drops/ml.
If the molal boiling point constant for water (Kb) is 0.51 °C/m, what would be the boiling point of this solution? Show all of the work needed to solve this problem.
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