Q: Part A: Write an equation that represents the action in water of hydrosulfuric acid (H2S) as a…
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Q: Which of the following would you predict to be the stronger acid? PH3 H2S H2Se H2O NH3
A: Basically acid is a molecule that is capable to donate or remove a proton. Acid are two types 1)weak…
Q: Give the conjugate base of H2O.
A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…
Q: 2. I. Name the following acids based on their dry and aqueous forms. Chemical Formula Dry Aqueous…
A: Strong acid is an acid which dissociates completely in solution to give the hydrogen ions whereas a…
Q: Calculate the pH of a 0.100 M solution of alanine prepared from the form shown below. pKa (-COOH) =…
A: Since you have asked multiple questions, we will solve the first question for you. If you want any…
Q: Ascorbic acid (vitamin C) is a diprotic acid, H₂CH₂O6. Calculate [H*], pH, and [C6H₂O6²-] in a 0.23…
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Q: Calculating the pH of a weak base solution The base protonation constant K, of morpholine (C,H,ONH)…
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Q: What is the conjugate acid of PH3?
A: A conjugate acid of a chemical species can be obtained by just adding 1 proton to that species.
Q: When hydroxylamine acts as a base, which atom accepts the proton?
A: Acid base theory- Acids and bases have their own importance in chemistry. Acids and bases are…
Q: Hypothetically, what would be the conjugate acid of H3O+
A: Since, In addition of H+ we got conjugate acid. Thus,
Q: Write the conjugate base of C₆H₅NH₂.
A: Conjugate base is the chemical species which is formed when acid donates a proton to another…
Q: Define the term Conjugate Base Stability?
A: According to Bronsted-Lowry concept, the acidic and basic character of a compound can be interpreted…
Q: Arrange these acids according to their expected pKa values.
A: The strengths of various acids can be determined on the basis of their pKa values. The negative…
Q: The hydronium ion concentration of an aqueous solution of 0.429 M diethylamine (a weak base with the…
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Q: Which of the following compounds should produce the highest pH as a 0.05 M solution: pyridine,…
A: The pH of a solution depends upon the concentration of hydrogen ion present in solution. The more is…
Q: НзРОд is a O triprotic acid as it gives 3 H* ions O monoprotic acid as it gives 3 H* ions O…
A: Protic acids forms H+ (protons) on dissolution in the solvent. If a protic acid produces 1 proton…
Q: b Choose the conjugate acid for the following base: HN, O2 O H,N2 O2 O N202 O HNO3 2- O HNO2
A: According to Bronsted - Lowry theory , Acid is a substance which can donate proton (H+) and…
Q: Which of the following two acids has the stronger conjugate base? Nitrous acid, Ka = 7.1 x 10–4…
A: The solution is provided below:
Q: H3N! „NH2 A B
A: The purest form of the matter is element, they have only single types of the atoms. All the atoms…
Q: What is the conjugate base of HSO4−? Express your answer as a chemical formula. What is the…
A: Acid ----> proton + conjugate base Base + proton ----> conjugate acid
Q: Show how you calculated the pka of the two acids A) phosphoric acid ph= 2.63 B) sulphurous acid ph=…
A: Answer: Given data- pH of phosphoric acid= 2.63 and pH of sulphurous acid= 2.30. To find - pKa…
Q: What is the conjugate base of formic acid?
A: The complete balanced reaction of Formic acid with water can be represented as follows HCOOH(aq) +…
Q: Fill in the blanks: Show the formation of the conjugate acid from NANH2.
A: For conjugate Acid We Add H+ to the Base and for conjugate Base we remove H+ from the Base .
Q: The conjugate acid of dihydrogen phosphate ion is phosphoric acid. TRUE FALSE
A: The given statement has to be predicted as true (or) false. The given statement is "the conjugate…
Q: Indicate whether a carboxylic acid (RCOOH) with a pKa value of 4.5 has more charged molecules or…
A: Henderson-Hasselbalch equation explains the relationship between pH of solution and pKa of acid. For…
Q: The conjugate base of HPO₃²⁻ is
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Q: The acid dissociation constant Ka of alloxanic acid HC4H3N2O5 is ×2.2410−7 . Calculate the pH…
A: Given acid is organic weak acid so it will dissociates partially into [Alloxanate] and [H3O+].…
Q: "Electron-withdrawing groups stabilize a conjugate base, making anacid more acidic". Define this…
A: Electron-withdrawing groups stabilize a conjugate base, making an acid more acidic- This statement…
Q: Of the following, which acid has the weakest conjugate base? О HC104 О нсоон О H3PO4 H2CO3
A: Every acid's conjugate base shares the same chemical composition, but without the hydrogen ions.
Q: Enter the conjugate base for H2NO3*
A: A conjugate acid comprises one more H atom and +charge than the base that formed it. A conjugate…
Q: Identify the conjugate acid of HSO3-.
A: A conjugate acid-base pair consists of two substances that differ only by the presence of a proton.…
Q: Tripolidine possesses two nitrogen atom(s), although only one of them is available to function as a…
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Q: Identify the following species: Strong Acid Strong Base Weak Acid Weak Base Salt CaBr2 Strong Acid…
A: The species that donate a proton is known as acid and the species that gains a proton is base.…
Q: conjugate base is amphiphrotic/amphoteric if the given pka values are
A: Acid which has higher value of Ka, is the strongest acid. HClO4 is strongest strong
Q: What is the conjugate base of each of the following acids.(3a): H2SO4(3b): H2F+(3c): CH3OH(3d): H3O+
A: The conjugate base of each of the given acids are listed below.Conjugate base of a substance is just…
Q: The conjugate base of HSO4
A:
Q: the following bases in order from weakest to strongest and explain why. Saying "because pKa values'…
A: The weaker a base, the stronger is its conjugate acid; the stronger a base, the weaker is its…
Q: For each pair of molecules or ions, select the stronger base and write its Lewis structure. Q.…
A: The conjugate base of a weak acid acts as a strong base. The conjugate base of a strong acid acts as…
Q: Given this equation, what is the conjugate base of H3PO4 H3PO4 + H2O → H2PO4- + 3H2O+
A: Given H3PO4 + H2O → H2PO4- + 3H2O+ Acid An acid is a compound that gives H+ ion in solution. Base…
Q: What is the conjugate acid of HSO4ˉ?
A: According to Bronsted Lowry theory , conjugate acid is a species formed when a base accept proton…
Q: Consider the molecule, pentanoic acid which has a pKa of 4.81: H3C OH Draw the predominate…
A: Given compound: Pentanoic acid pKa = 4.81
Q: Using the Henderson-Hasselbach equation predict under which of the following conditions will the pH…
A: pH= Pka + log([Salt]/[Acid]) so pH > Pka when log term is greater that Zero so in that case…
Q: What is the strongest base on this list? i. 10 ii. 10₂ iii. 103 iv. 104
A: given molecule: IO-, IO2 -, IO3-, IO4- Base: Those species or molecules which have the tendency to…
Q: What is the conjugate acid of H2N-
A: Given NH2- To find conjugate acid of NH2-
Q: Place the following substances in an INCREASING order based on the expected PH concentration). So…
A: Expected pH in increasing order 1) HCl (Lowest pH) 2) H2Se 3) H2S 4) SO32- 5) CsOH (Highest pH) HCl…
Q: Which is the conjugate base in this reaction? Pyridinium- acetic acid Pyridine H ion -oH pka =4.76…
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Q: What is the conjugate acid and base of H2PO4-? Make sure to label each appropriately.
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Q: What is the conjugate base of dihydrogen phosphate (H2PO4)? phosphoric acid (H3PO4) hydrogen…
A: An acid is a substance that gives ions in its solution whereas a basic substance gives ions in its…
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- Given that Kb for ammonia is 1.8 * 10-5 and that for hydroxylamine is 1.1 * 10-8, which is the stronger base?The amino acid histidine has ionizable groups with pKa values of 1.8, 6.0, and 9.2, as shown. COOH H₂N-CH CH₂ H 2 -N H lonizable group 6.0 1.9 7.94 0.11 N H CH -COOH H₂N-CH | CH₂ H 2 N 1.8 COO- I pk₁ C H COO- CH -HisH+ H₂N-CH 6.0 COO- pk ₂. CH₂ H 2 H -His N CH COO™ H₂N-CH 9.2 pk 3 CH₂ H -N с H —NH — —NH, A biochemist makes up 95 mL of a 0.11 M solution of histidine at a pH of 5.1. She then adds 60 mL of 0.10 M HCI. What is the pH of the resulting solution? N CH4 Which nitrogen is pKa1 and pKa2 and explain why. Draw the salt form at ohysiological pH
- (a) Given that Ka for acetic acid is 1.8 x 10-5 and that forhypochlorous acid is 3.0 x 10-8, which is the stronger acid?(b) Which is the stronger base, the acetate ion or the hypochloriteion? (c) Calculate Kb values for CH3COO- and ClO-.The above amino acid, shown at pH = 7.0 and where every atom (including hydrogens!) is visible, is (D or L) -X-ball & stick This amino acid is + labels
- Consider the following five weak acids: Succinic acid: pKa = 4.16HOBr: Ka = 2.06 x 10-9Dinicotinic: pKa = 2.08Nitrobenzoic: Ka = 6.95 x 10-3Saccharin: pKa = 11.68 Order these acids from the strongest (1) to the weakest (5)The amino acid histidine has ionizable groups with pKa values of 1.8, 6.0, and 9.2, as shown. COOH H₂N-CH | CH ₂ pH = CH lonizable -COOH group COO- H₂N-CH 1.8 pk₁ CH2 H -COO- CH -HisH+ COO- H₂N-CH 1 6.0 pk2 CH ₂ H H N -His CH -NH COO- H₂N-CH 1 9.2 pk₂ CH2 -NH₂ H -N CH A biochemist makes up 80 mL of a 0.11 M solution of histidine at a pH of 5.1. She then adds 60 mL of 0.10 M HCl. What is the pH of the resulting solution?Several examples of the nitrogenous, heterocyclic bases for the nucleotides of DNA and RNA are shown below. In each molecule, determine if the labeled nitrogen atoms are "pyridine like" or "pyrrole like". In addition, state whether each nitrogen would be basic (capable of accepting an acidic proton) or neutral (not capable of accepting an acidic proton). Thymine Adenine NH₂
- Shown below is the amino acid tyrosine in its protonated state, with the pK₂of each ionizable proton indicated. pK₂ = 10 HO COOH pk = 9 pK₂ = 2 Which best represents the predominant state of tyrosine at pH 7? a HO. O O OO a b U H3N P H₂N COOH b H₂N COO с НО. H₂N COO d HO. H₂N COOThe pKaa of the conjugate acid of guanidine is 13.6, making it one of the strongest neutral organic bases. Offer an explanation.Draw the sequential transition of glutamic acid as it passes from its fully protonated form to its fully deprotonated form as the pH rises. If the pH of an amino acid solution is lowered by adding an acid, like , the group of glutamic acid accepts the proton, acid, to form a positive ion.