What is the purpose of anhydrous cacl2
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?
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The concentrations of both H2(g) and F2(g) are found to be 0.0050 M. What is the concentration of HF(g) in the equilibrium system under these conditions?
A simply supported square timber beam is span 5.0m and spaced 3.0m the dead load and imposed load was found to 1.5knM2 respectively.
The Henry's Law constant (k) for carbon monoxide in water at 25ºC is 9.71 x 10-4 mol/(L•atm). How many grams of CO will dissolve in 1.00 L of water if the partial pressure of CO is 2.75 atm?
A solution containing 3.47mM X (analyte) and 1.72 mM S (standard) gave peak areas of 3473 and 10222, respectively, in a chromatographic analysis. Then 1.00ml of 8.47mM S was added to 5.00ml of unknown X, and the mixture was diluted to 10.0ml. This
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.
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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