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![НЕРТА əн® + ҢЕртя? Е СңEотя) (41) [Hy ED TA] Ертя 2 % + A, EDя”- К.: (EDm*] (н*) ТңEDA] H, EDTA HⓇ+ HEDTA Key = (HED TA”] [u](http://img.homeworklib.com/questions/bb1c18a0-77e8-11ea-a272-e794bb2fbc61.png?x-oss-process=image/resize,w_560)
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IS Ethylenediaminetetraacetic acid, EDTA, may be considered a tetraprotic acid (HAEDTA) 1) Weinha wid and the...
Ethylenediaminetetraacetic acid (EDTA) is a hexaprotic acid with the following structure and pK values. HOOC- COOH...
Ethylenediaminetetraacetic acid (EDTA) is a hexaprotic acid with the following structure and pK values. HOOC- COOH - NHA THN PK 0.000 PK 1.500 PK 1.991 PK, 2.669 PK 6.160 PK, 10.259 HOOC COOH For simplicity, the fully protonated form of the acid is commonly represented as HY”. The fully deprotonated form of EDTA (Y") reacts with a variety of metal cations to produce complex ions, M" (aq) +Y+ (aq) MY(aq) K= aK where K is the formation constant for the...
Critical Skills #9 (Acid-Base Equilibria) Due: 6 pm Monday March 30 upload to Gradescope Class time:...
Critical Skills #9 (Acid-Base Equilibria) Due: 6 pm Monday March 30 upload to Gradescope Class time: 9:30 pH = 11:00 (from back of page) 2:00 1. Consider the conjugate acid-base pair NH' and NH, a. Write the acid dissociation (lonization) reaction for NHA' in water. Hint: NHU (aq) + HOS Label each conjugate acid-base pair. ? 6. Write the expression for equilibrium constant for this reaction ( ?) c. Write the base dissociation (lonization) reaction for NH, in water. Hint:...
hat is the pH of a 04 a) Wri will ee which nf ononm dissori.. General...
hat is the pH of a 04 a) Wri will ee which nf ononm dissori.. General Chemistry II Workshop 3: Acid-Base Equilibria (10 pts total) In today's workshop we will explore two classes of compounds known as acids and bases. Acids were first identified as compounds that taste sour while bases were first identified as compounds that feel slippery and taste bitter. Today there are 3 prevailing theories that define acids and bases. We will spend most of our time...
please post all balanced equations and reaction tables that may be used. show work. Define an acid acconding to the Arrhenis theory and wvite a balanced equation to support this definition 2 Defin...
please post all balanced equations and reaction tables that may be
used. show work.
Define an acid acconding to the Arrhenis theory and wvite a balanced equation to support this definition 2 Define a base accending to the Bonsted-Lowry thony Write a balanced oquation in suppot ef this defisition, in which the base is acting as a Bensted Lowry base but not as n Arrhaius base Formic cid, HCOOH, is a weak acid with apk,e3.74 Draw up a reaction table...
In need of help 1 – List four factors that affect the strength of an acid....
In need of help 1 – List four factors that affect the strength of an acid. All four may not apply to every acid. 2 – Calculate [OH-] for a 1.4 x 10-3 M HCl solution. 3 – Calculate the pH of an aqueous solution at 25 ̊C at is 0.34 M in phenol (Ka = 1.3 x 10-10) .4 – Calculate the concentration at which a monoprotic acid with Ka = 4.5 x 10-5 will be 2.5% ionized. (The...
Please I need help on this. I'm so lost 1. Acetic acid (H)CO2H) has k, =...
Please I need help on this. I'm so lost
1. Acetic acid (H)CO2H) has k, = 1.8 x 10- and acetate (H:C:01") has ks = 5.6 x 10-10. (a) Write balanced chemical equilibrium equations (with physical states) for acid dissociation of acetic acid and base hydrolysis of acetate ion. (b) Write K, and equilibrium constant expressions for the above reactions. (c) Use your expressions from part b to show that Kx. = 1.0 x 10-* = [H,O'][OH). 2. For each...
GenChem 2 Spring 2020 Part The pH of an unknown acid solution is 135. What is...
GenChem 2 Spring 2020 Part The pH of an unknown acid solution is 135. What is the [H:0*)? View Available Hint(s) 0.13 M 2.2 x 10-"M 0.045 M 135 M Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining The selected value is the loc(pH) The pH is defined as the negative logarithm of the HO" You may need to review Logarithmic Expressions involving Provide Feedback < Return to Assignment ptual 508 ) Review Constants Periodic Table Part B...
It's a weak acid strong base titration Experiment 4: Identification of an unknown acid by titration...
It's a weak acid strong base titration
Experiment 4: Identification of an unknown acid by titration Page 2 of 15 Background In this experiment, you will use both qualitative and quantitative properties to determine an unknown acid's identity and concentration. To do this analysis, you will perform a titration of your unknown acid sample-specifically a potentiometric titration where you use a pH meter and record pH values during the titration, combined with a visual titration using a color indi- cator...
I added everything thing. this is the lab question you need to solve. First assigned buffer...
I added everything thing.
this is the lab question you need to solve.
First assigned buffer pH: 2.031 Second assigned buffer pH: 9.171 Available Buffer Systems (acid/ base) pka of Conjugate Acid 2.847 4.757 malonic acid/ monosodium malonate acetic acid/ sodium acetate ammonium chloride/ ammonia triethylammonium chloride/ triethylamine 9.244 10.715 1) Buffer system details: Given pH Name and volume conjugate acid Name and volume conjugate base 2) Calculations for preparation of high capacity buffer system. Introduction In this experiment, you...
21C.1(a) The reaction of propylxanthate ion in acetic acid buffer solutions has the mechanism A− +H+→P....
21C.1(a) The reaction of propylxanthate ion in acetic acid buffer
solutions
has the mechanism A− +H+→P. Near 30 °C the rate constant is given
by the
empirical expression kr=(2.05×1013) e−(8681K)/T dm3mol−1 s−1.
Evaluate the
energy and entropy of activation at 30 °C.
21C.1(b) The reaction A− +H+→P has a rate constant given by the
empirical
expression kr=(6.92×1012)e−(5925K)/T dm3mol−1 s−1. Evaluate the
energy and
entropy of activation at 25 °C.
Please explain why they calculated H=E-RT like that
like why is...
Ethylenediaminetetraacetic acid (EDTA) is a hexaprotic acid with the following structure and pK values. HOOC- COOH - NHA THN PK 0.000 PK 1.500 PK 1.991 PK, 2.669 PK 6.160 PK, 10.259 HOOC COOH For simplicity, the fully protonated form of the acid is commonly represented as HY”. The fully deprotonated form of EDTA (Y") reacts with a variety of metal cations to produce complex ions, M" (aq) +Y+ (aq) MY(aq) K= aK where K is the formation constant for the...
Critical Skills #9 (Acid-Base Equilibria) Due: 6 pm Monday March 30 upload to Gradescope Class time: 9:30 pH = 11:00 (from back of page) 2:00 1. Consider the conjugate acid-base pair NH' and NH, a. Write the acid dissociation (lonization) reaction for NHA' in water. Hint: NHU (aq) + HOS Label each conjugate acid-base pair. ? 6. Write the expression for equilibrium constant for this reaction ( ?) c. Write the base dissociation (lonization) reaction for NH, in water. Hint:...
hat is the pH of a 04 a) Wri will ee which nf ononm dissori.. General Chemistry II Workshop 3: Acid-Base Equilibria (10 pts total) In today's workshop we will explore two classes of compounds known as acids and bases. Acids were first identified as compounds that taste sour while bases were first identified as compounds that feel slippery and taste bitter. Today there are 3 prevailing theories that define acids and bases. We will spend most of our time...
please post all balanced equations and reaction tables that may be
used. show work.
Define an acid acconding to the Arrhenis theory and wvite a balanced equation to support this definition 2 Define a base accending to the Bonsted-Lowry thony Write a balanced oquation in suppot ef this defisition, in which the base is acting as a Bensted Lowry base but not as n Arrhaius base Formic cid, HCOOH, is a weak acid with apk,e3.74 Draw up a reaction table...
Please I need help on this. I'm so lost
1. Acetic acid (H)CO2H) has k, = 1.8 x 10- and acetate (H:C:01") has ks = 5.6 x 10-10. (a) Write balanced chemical equilibrium equations (with physical states) for acid dissociation of acetic acid and base hydrolysis of acetate ion. (b) Write K, and equilibrium constant expressions for the above reactions. (c) Use your expressions from part b to show that Kx. = 1.0 x 10-* = [H,O'][OH). 2. For each...
GenChem 2 Spring 2020 Part The pH of an unknown acid solution is 135. What is the [H:0*)? View Available Hint(s) 0.13 M 2.2 x 10-"M 0.045 M 135 M Submit Previous Answers X Incorrect; Try Again; 4 attempts remaining The selected value is the loc(pH) The pH is defined as the negative logarithm of the HO" You may need to review Logarithmic Expressions involving Provide Feedback < Return to Assignment ptual 508 ) Review Constants Periodic Table Part B...
It's a weak acid strong base titration
Experiment 4: Identification of an unknown acid by titration Page 2 of 15 Background In this experiment, you will use both qualitative and quantitative properties to determine an unknown acid's identity and concentration. To do this analysis, you will perform a titration of your unknown acid sample-specifically a potentiometric titration where you use a pH meter and record pH values during the titration, combined with a visual titration using a color indi- cator...
I added everything thing.
this is the lab question you need to solve.
First assigned buffer pH: 2.031 Second assigned buffer pH: 9.171 Available Buffer Systems (acid/ base) pka of Conjugate Acid 2.847 4.757 malonic acid/ monosodium malonate acetic acid/ sodium acetate ammonium chloride/ ammonia triethylammonium chloride/ triethylamine 9.244 10.715 1) Buffer system details: Given pH Name and volume conjugate acid Name and volume conjugate base 2) Calculations for preparation of high capacity buffer system. Introduction In this experiment, you...
21C.1(a) The reaction of propylxanthate ion in acetic acid buffer
solutions
has the mechanism A− +H+→P. Near 30 °C the rate constant is given
by the
empirical expression kr=(2.05×1013) e−(8681K)/T dm3mol−1 s−1.
Evaluate the
energy and entropy of activation at 30 °C.
21C.1(b) The reaction A− +H+→P has a rate constant given by the
empirical
expression kr=(6.92×1012)e−(5925K)/T dm3mol−1 s−1. Evaluate the
energy and
entropy of activation at 25 °C.
Please explain why they calculated H=E-RT like that
like why is...
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