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(a) What is meant by the term reaction rate?
(b) Name three factors that can affect the rate of a chemical reaction.
(c) Is the rate of disappearance of reactants always the same as the rate of appearance of products? Explain.
Calculate the hydronium ion concentration and the pH after the addition of .25mL of .10 M HCl to each one. What accounts for the difference in hydronium ion concentrations? Explain this based on equilibrium concepts.
19.) Acrylonitrile is polymerized via which pathway? a) cationic b) anionic c) coulombic
Question- Calculate the pH at the equivalence point in titrating 0.120 M solutions of each of the following with 8.0X10^-2 M NaOH. Sodium hydrogen chromate (NaHCrO4)
In clavulanic acid there is a carbon-atom that that has an oxygen-atom, a nitrogen-atom, and a carbon atom attached to it
A sample of calcium carbonate absorbs 45.5 J of heat upon which the temperature of the sample increases from 21.1 degrees celcius to 28.5 degrees celcius.
Organic hydrogenation reactions, in which H2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries.
A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length A. decreases. B. increases
calculate the pH of the solution that results when 40.0 mL of 0.100 M NH3 is mixed with 20.0 mL of 0.100 M HCl solution
The addition of iodide (NaI or KI) often catalyzes SN2 reactions o alkyl chlorides or bromides. explain how by showing reaction equations of what happens.
A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.16
A fossil was analyzed and determined to have a carbon-14 level that is 54.0 that of living organisms. How old is the fossil
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)?
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