2,220 Answered Questions for the topic organic chemistry

Organic Chemistry Science Chemistry Biochemistry

03/23/22

What volume of the solution would produce 0.287 g of AgCl if 26 ml of a HCl solution required 26.25 ml of 0.095 N NaOH in titration?
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Organic Chemistry Science Chemistry Biochemistry

03/23/22

If a 0.250 g sample of zinc oxide (95%) was treated with 50 ml of 1.123 N sulfuric acid,
what volume of 0.977 N sodium hydroxide would be required in the residual titration?
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Organic Chemistry Science Chemistry Biochemistry

03/23/22

A 4.0520 g sample of hydrochloric acid, sp gr 1.18, required 44.15 ml of 0.9035 N sodium hydroxide in a titration.
Calculate the HCl content in %
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Organic Chemistry

03/23/22

Is aldol condensatiom product soluble in 95% ethanol , 2-butanone, and toluene?
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Organic Chemistry

03/22/22

Is aldol condensatiom product soluble in 95% ethanol , 2-butanone, and toluene?

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Organic Chemistry

03/22/22

How to convert mmol to mL
I am confused as to where to put things in the conversion table. I have 22.4mmol that has to be converted to mL. How would that be done?
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Organic Chemistry

03/22/22

how can you check the purity of your compound before and after recrystallization?
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Organic Chemistry

03/22/22

how can you check the purity of your compound before recrystallization?
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Organic Chemistry

03/21/22

Chemistry Calculations
Calculate the volume of 6.82 M acetic acid needed to prepare 325 mL of 0.885 M acetic acid.
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Organic Chemistry

03/21/22

Chemistry Calculations
Calculate the molarity of an acetic acid solution if 55.63 mL of the solution is needed to neutralize 104 mL of 1.74 M sodium hydroxide. The equation for the reaction... more
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Organic Chemistry

03/21/22

Chemistry Calculaations
Calculate the concentration of an aqueous KCl solution if 322 mL of the solution gives 13.1 g of AgCl when treated with excess AgNO 3. The equation for the reaction... more
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Organic Chemistry Chemistry

03/18/22

Temperature and Volume
What Celsius temperature, T2 is required to change the volume of the gas sample in Part A ( T1 = 33 degree Celsius, V1 = 1.22×103  ) to a volume of 2.44×103? Assume no change in pressure or the... more
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Organic Chemistry Chemistry

03/17/22

Temperature and Volume
A sample of gas in a balloon has an initial temperature of 33  and a volume of 1.22×103  . If the temperature changes to 60.  , and there is no change of pressure or amount of gas, what is the... more
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Organic Chemistry Chemistry

03/17/22

What is the IUPAC name of the structure below?
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03/15/22

Calculate the pH of a 0.0175 M solution of arginine hydrochloride ( arginine·HCl , H2Arg+ ). Arginine has p𝐾a values of 1.823 ( p𝐾a1 ), 8.991 ( p𝐾a2 ), and 12.01 ( p𝐾a3 ).
Calculate the pH of a 0.0175 M solution of arginine hydrochloride (arginine·HCl, H2Arg+). Arginine has p𝐾a values of 1.823 (p𝐾a1), 8.991 (p𝐾a2), and 12.01 (p𝐾a3).pH=Calculate the concentration of... more
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Organic Chemistry

03/14/22

Calculate the mass of Carbondioxide when 2g of Sodium Bicarbonate reacts in a vinegar and baking soda reaction

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Organic Chemistry Chemistry Physical Science

03/13/22

Born-Haber cycle exercise
Calculate the lattice energy of CuBr(s) using a Born-Haber cycle. Enthalpy of sublimation of Cu(s) = 337.7 kJ/mol 1^st ionization energy of Cu(g) = 745 kJ/mol Enthalpy of vaporization of Br_2 (l) =... more
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Organic Chemistry Chemistry Biochemistry

03/11/22

Calculate the substrate concentration when the initial velocity is 1/8th of Vmax. The km for its substrate is 10 mM.
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Organic Chemistry Chemistry Biochemistry

03/11/22

Calculate the substrate concentration when this an enzyme has a Vmax of 1.2 𝜇M s−1. The Km for its substrate is 10 𝜇M.
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Organic Chemistry Chemistry Biochemistry Pharmacology

03/10/22

What are the answers from these letters below?
(a) 1 N hydrochloric acid = g hydrochloric acid(b) 1 M hydrochloric acid = g hydrochloric acid(c) 2 N phosphoric acid = g phosphoric acid(d) 2 M phosphoric acid = g... more
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Organic Chemistry Chemistry Biochemistry Pharmacology

03/10/22

How many grams of sulfuric acid are there are there in 4 mol sulfuric acid?
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Organic Chemistry

03/09/22

6. i. What is the function of Lewis acid in alkylation of benzene? ii. Write the chemical reaction equation for the formation of toluene from benzene. (3 marks)
6. i. What is the function of Lewis acid in alkylation of benzene? ii. Write the chemical reaction equation for the formation of toluene from benzene. (3 marks)
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Organic Chemistry

03/09/22

5. Benzene and cyclohexene have different reactivity towards addition reaction. i. Explain why do benzene and cyclohexene undergo different type of reaction with bromine.

5. Benzene and cyclohexene have different reactivity towards addition reaction. i. Explain why do benzene and cyclohexene undergo different type of reaction with bromine. ii. State the type of... more
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Organic Chemistry

03/09/22

5. Benzene and cyclohexene have different reactivity towards addition reaction. i. Explain why do benzene and cyclohexene undergo different type of reaction with bromine.

5. Benzene and cyclohexene have different reactivity towards addition reaction. i. Explain why do benzene and cyclohexene undergo different type of reaction with bromine. ii. State the type of... more
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Organic Chemistry

03/09/22

4. Draw the structures of: i. 3-chlorophenol ii. m-nitrobenzaldehyde iii. p-fluoroacetophenone
4. Draw the structures of: i. 3-chlorophenol ii. m-nitrobenzaldehyde iii. p-fluoroacetophenone
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