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Q. Assemble the alcohols (have the formula of C4H10) in the order of increasing reactivity with concentrated HCl.
Q. 25.0 mL of a HF solution of unknown concentration is titrated with 0.200 M NaOH. The pH in the titration flask is 3.00 after adding 20.0 mL of the base solution. Now calculate the concentration of the original hydrofluoric acid solution. [Ka(HF) = 7.1 × 10-4]
Application of Boyle's Law - Determine the molecular formula of the compound
Chemical Kinetics - Show that only the reactants of the slow step of a reaction are found in the rate law of the reaction - which of the two steps is slower and which substance (if any) is probably an unstable intermediate?
Describe how branched-chain fatty acids affect the fluidity of membranes and rank the following fatty acids in the order of increasing solubility in water.
Water supply in a city is fluoridated by adding NaF. The preferred concentration of F- is 1.6ppm.calculate the amount of Naf in milligrams should be added per gallon (treated water) if the water supply is 0.2 ppm in F-?
Write the electronic configuration in sublevels for the following atoms
Design a qualitative analysis scheme
Solving this question helps the student to understand how to find molecular formula using moles and mass and What is the molecular formula of this compound?
Compute the molarity of a solution prepared by dissolving 15.2 grams of CaCl2 in H2O with a solution volume equal to 5.00 x 10² millimeters.
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
Write a reaction for the formation of a peptide bond between alanine and serine. React the amino group of alanine with carboxyl group of serine. Remember that there are 2 products in this reaction.
What happened when 6.0M HCl was added to the contents of the tube in 7a above?
Calculate the quantity of NH3 is produced upon reaction of 4.0 moles of water and 65.0 g of CaCN2.
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