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A: A question based on periodic trends that is to be accomplished.
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A: Given weight = 119.78 gram
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A: The partition coefficient for water and chloroform is given to 5.00. We are required to calculate th...
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A: Bronsted-Lowry acid-base theory: The Bronsted-Lowry acid-base theory states that the acid is a subst...
Q: Find the pH of (OH-] = 0.0025. O pH = 11.2 O pH = 11.4 O pH = 11.0 O pH = 2.60
A: We know that, POH is negative logarithm of OH- concentration.
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A:
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A: Given , 1 Glass holds 8 oz of liquid.
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Q: For a particular isomer of C,H18, the combustion reaction produces 5104.1 kJ of heat per mole of C,H...
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Q: Provide an arrow-pushing mechanism for the following reaction to get to the product shown. Ignore st...
A: Answer: This is the combination of nucleophilic substitution reaction of alcohol and electrophilic a...
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Q: Which Bronsted-Lowry acid has the strongest conjugate base? HBr HCI HF HCIO4
A: 3rd option is correct that is HF.
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A: Option C is correct answer, Nos.6 and nos. 7 water inlet and water outlet respectively.
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Q: Which of the following statements is correct? a. "When strong acid or base is added to a buffer solu...
A: Given : We have to choose the correct option .
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A: A question based on molecules that is to be accomplished.
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A: We have to determine the structure of isomer A,B,C,D.
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A:
Q: What is a major product of the reaction in the box? Mg D20/DCI ? Br A) OD B) C) D) H. D D
A: When grignard reagent react with D2O then halogen replaced by D atom
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A: (i) We have to draw the structure of a 2-mer with an active chain end in the dormant form.
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Q: What is substance examples?
A: To define: A substance.
Q: Which equation represents a redox equation?
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A: pH of a solution can be defined as negative of logarithm of concentration of hydronium ions
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Q: Find the pH of [OH-] = 0.0025. O pH = 11.2 O pH = 11.4 O pH = 11.0 O pH = 2.60
A: Hydrogen ion concentration is an important parameter of an aqueous solution. The concentration of th...
Q: If a reaction has the experimental rate law, Rate=k[A]2 explain what happens to the rate when a) Wh...
A: The reaction rate depends on the concentration of reactants.
Why will the prepared standard solution of NaOH be stored in a rubber-stoppered reagent bottle?
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- 1. What was the purpose of the concentrated sulfuric acid in the first step in the synthesis of aspirin? 2. What was the purpose of performing titration analysis on the product aspirin synthesized? 3. If the synthesized aspirin was not dried before melting point determination, what would be its effect?Why is there a need to immediately titrate the sample solution with the standard sodium thiosulfate solution after generating the iodine in the mixture?1. Why are the acidic extracts and the basic extracts cooled before neutralization during Acid/Base extraction experiment? 2. Why was the water used for washing the precipitates on the funnels specified to be cold during Acid/Base extraction experiment.
- Describe why the inside wall of the flask is rinsed with deionized water during accurate titration. Does this washing affect the molar quantity of acetic acid in the sample? Describe..?Are the reagents (red text) in the diagram accurate to find the analysis of the unknown salt? Yes or No, and why?why is benzoic acid insoluble in pure water but soluble in NaOH solution?
- 1. Basically, when is glass stoppered buret used? ______________________________ ____________________________________________________________________ When is rubber stoppered buret used? ____________________________________ ________________________________________________________________________________________________________________________________________ When is a PTFE buret used? _________________________________________________________ _ _________________________________________________________________________________ 2. Describe the recommended method for the manipulation of a buret stopcock during titration. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 3. Why is it necessary to completely fill the rubber tubing of the stopcock with the…Why can we use a water-ethanol mixture but not a water-hexane mixture as a recrystallization solventSeparating t-butyl chloride from the reaction mixture. What is the purpose of washing with the following? . a. With cold water b. With sodium bicarbonate solution