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4f. NOx typically leaves the atmosphere as nitric acid via the following reaction on an aerosol...
9. Nitrogen dioxide (NO2) can react with water to form aqueous nitric acid according to the...
9. Nitrogen dioxide (NO2) can react with water to form aqueous nitric acid according to the following reaction. This is one way that acid rain forms in the atmosphere. Also listed are the standard free energies of formation for the species involved in the reaction. 3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g) Compound AG, (kJ/mol) NO2(g) 51.3 H2O(0) -237.1 HNO3(aq) -110.9 NO(g) 87.6 a. Calculate AGºrx (6 points) b. Is the reaction spontaneous at standard conditions? Circle one and explain...
Iron(III) hydroxide reacts hydrochloric acid via the following reaction: Fe(OH)3(aq) + 2 HCl(aq) ⇋ SrCl2(aq) + ...
Iron(III) hydroxide reacts hydrochloric acid via the following reaction: Fe(OH)3(aq) + 2 HCl(aq) ⇋ SrCl2(aq) + 2 H2O(l) (5 pts) If the concentration of Fe(OH)3 is 0.00684M, what is the pH of the iron(III)hydroxide solution? (8 pts) If 37.42 mL of 0.00684M iron(III)hydroxide is required to neutralize 25.00 mL of HCl, what is the concentration of the HCl solution in molarity?
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its potassium salt KA. Unshaded spheres represent H atoms and shaded spheres represent A-ions. (K, H30, OH", and solvent H2O molecules have been omitted for clarity.) -HA -A (3) (1) 12) 12) Which of these solutions are buffers? A) (1) and (2) C) (1), (2) and (3) B) (1) and (3) D) All are buffer solutions The following pictures represent solutions at various stages in...
17. Rank the following organic molecules from weakest to strongest acid. Give a short explanation of...
17. Rank the following organic molecules from weakest to strongest acid. Give a short explanation of your ranking. A. Acetic Acid (CH3COOH) B. Ethanol (CH3OH) C. Trifluoeacetic acid (CF3COOH) Weakest Acid Strongest Acid Explain: 18. Write the net ionic equation that occurs when potassium hydroxide is added to a hydrofluoric acid/sodium fluioride buffer. 19. Calculate the volume of 0.550 M sodium acetate that must be added to 20. mL of 0.450 M acetic acid in order to make a buffer...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its potassium salt KA. Unshaded spheres represent H atoms and shaded spheres represent A-ions. (K, H30, OH", and solvent H2O molecules have been omitted for clarity.) -HA -A (1) 12) 12) Which of these solutions are buffers? A) (1) and (2) C) (1), (2) and (3) B) (1) and (3) D) All are buffer solutions The following pictures represent solutions at various stages in the...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its potassium salt KA. Unshaded spheres represent H atoms and shaded spheres represent A-ions. (K+, H30, OH-, and solvent H2O molecules have been omitted for clarity.) -HA -A IC (1) 12) Which of these solutions are buffers? A) (1) and (2) C) (1), (2) and (3) B) (1) and (3) D) All are buffer solutions. following pictures represent solutions at various stages in the titration...
1. Identify the Brönsted acid and base in the following reaction, and identify the conjugate base...
1. Identify the Brönsted acid and base in the following reaction, and identify the conjugate base and acid formed. HSO3-(aq) + CH3NH3(aq) ------ H2SO3(aq) + CH3NH2(aq) 2. Write the formulae for the conjugate acids of: 1. a) C2042: the oxalate ion. 2.b) C6H5NH2, aniline. 3.c)NH2OH, hydroxylamine. (Use above question as a guide for where to put the H.) 3. Calculate the molarity of OH' in solutions with the following concentrations of H30*: a) 0.020 mol LP b) 1.0 x 10-5...
The following primary standards can be used for the standardization of bases except. a. Benzoic acid...
The following primary standards can be used for the standardization of bases except. a. Benzoic acid b. Oxalic acid c. CaCO3 d. KHP A solution that may contain NaOH, Na 2CO3, and NaHCO3, alone or in compatible combination was titrated with 0.1200 M HCl. The volume of the acid required to reach the phenolphthalein endpoint was 25.67 mL while 38.13 mL to reach the methyl red endpoint. What are the components of the mixture? a. Na2CO3 only b. NaOH only...
1) Write a Reaction equation using 4- aminobenzenesulfulfonic acid (aniline derivative) and 8-ani...
1) Write a Reaction equation using 4- aminobenzenesulfulfonic
acid (aniline derivative) and 8-anilino-1-naphthalenesulfonic acid
(coupling agent). Write the mechanism.
SYNTHESIS OF AZO DYES INTRODUCTION Humans' love of color dates back almost to prehistoric times, yet it is not actually until the modern era that the full range of the rainbow has been accessible to the majority of people irn their clothes and other textiles. Ancient or medieval times have often been described as being quite splendid with their "tyrian purple"...
What are the instruments that have been utilized for the review article discussions? ` 1. Introduction...
What are the instruments that have been utilized for the
review article discussions?
`
1. Introduction In recent years, nanoclays have been the object of particular interest for many scientists and researchers in chemistry, physics, engineering and biology due to their excellent properties as well as their sustain- ability [1-3]. For instance, they represent the starting point to the de velopment of smart materials for drug delivery (4-9), food packaging [10-12), environmental remediation and wastewater treatment [13], cultural heritage [14–17and...
9. Nitrogen dioxide (NO2) can react with water to form aqueous nitric acid according to the following reaction. This is one way that acid rain forms in the atmosphere. Also listed are the standard free energies of formation for the species involved in the reaction. 3NO2(g) + H2O(l) → 2HNO3(aq) + NO(g) Compound AG, (kJ/mol) NO2(g) 51.3 H2O(0) -237.1 HNO3(aq) -110.9 NO(g) 87.6 a. Calculate AGºrx (6 points) b. Is the reaction spontaneous at standard conditions? Circle one and explain...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its potassium salt KA. Unshaded spheres represent H atoms and shaded spheres represent A-ions. (K, H30, OH", and solvent H2O molecules have been omitted for clarity.) -HA -A (3) (1) 12) 12) Which of these solutions are buffers? A) (1) and (2) C) (1), (2) and (3) B) (1) and (3) D) All are buffer solutions The following pictures represent solutions at various stages in...
17. Rank the following organic molecules from weakest to strongest acid. Give a short explanation of your ranking. A. Acetic Acid (CH3COOH) B. Ethanol (CH3OH) C. Trifluoeacetic acid (CF3COOH) Weakest Acid Strongest Acid Explain: 18. Write the net ionic equation that occurs when potassium hydroxide is added to a hydrofluoric acid/sodium fluioride buffer. 19. Calculate the volume of 0.550 M sodium acetate that must be added to 20. mL of 0.450 M acetic acid in order to make a buffer...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its potassium salt KA. Unshaded spheres represent H atoms and shaded spheres represent A-ions. (K, H30, OH", and solvent H2O molecules have been omitted for clarity.) -HA -A (1) 12) 12) Which of these solutions are buffers? A) (1) and (2) C) (1), (2) and (3) B) (1) and (3) D) All are buffer solutions The following pictures represent solutions at various stages in the...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its potassium salt KA. Unshaded spheres represent H atoms and shaded spheres represent A-ions. (K+, H30, OH-, and solvent H2O molecules have been omitted for clarity.) -HA -A IC (1) 12) Which of these solutions are buffers? A) (1) and (2) C) (1), (2) and (3) B) (1) and (3) D) All are buffer solutions. following pictures represent solutions at various stages in the titration...
1. Identify the Brönsted acid and base in the following reaction, and identify the conjugate base and acid formed. HSO3-(aq) + CH3NH3(aq) ------ H2SO3(aq) + CH3NH2(aq) 2. Write the formulae for the conjugate acids of: 1. a) C2042: the oxalate ion. 2.b) C6H5NH2, aniline. 3.c)NH2OH, hydroxylamine. (Use above question as a guide for where to put the H.) 3. Calculate the molarity of OH' in solutions with the following concentrations of H30*: a) 0.020 mol LP b) 1.0 x 10-5...
1) Write a Reaction equation using 4- aminobenzenesulfulfonic
acid (aniline derivative) and 8-anilino-1-naphthalenesulfonic acid
(coupling agent). Write the mechanism.
SYNTHESIS OF AZO DYES INTRODUCTION Humans' love of color dates back almost to prehistoric times, yet it is not actually until the modern era that the full range of the rainbow has been accessible to the majority of people irn their clothes and other textiles. Ancient or medieval times have often been described as being quite splendid with their "tyrian purple"...
What are the instruments that have been utilized for the
review article discussions?
`
1. Introduction In recent years, nanoclays have been the object of particular interest for many scientists and researchers in chemistry, physics, engineering and biology due to their excellent properties as well as their sustain- ability [1-3]. For instance, they represent the starting point to the de velopment of smart materials for drug delivery (4-9), food packaging [10-12), environmental remediation and wastewater treatment [13], cultural heritage [14–17and...
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