Explain the conditions needed for alkalinity to be equal to the difference in strong base cation...
Explain the conditions needed for alkalinity to be equal to the difference in strong base cation and strong acid anions (Cb-Ca). Would a water with a high [HS-] be dominated by carbonate alkalinity?
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Explain the conditions needed for alkalinity to be equal to the
difference in strong base cation...
Assuming equal concentrations, rank these solutions by pH. Almost. You've correctly placed the strong base at...
Assuming equal concentrations, rank these solutions by pH. Almost. You've correctly placed the strong base at the top and the strong acid at the bottom. Now focus on the order of the three salts in the middle. A salt will be neutral if both its cation and anion are derived from strong acids and bases. A salt can act as a weak base if it contains the anion of a weak acid (i.e. any anion that is not the conjugate...
Our teacher said.....for this book Page286.... His Question is, calculate the three endpoints in page 286....
Our teacher said.....for this book
Page286....
His Question is, calculate the three endpoints
in page 286.
For the P.286, I take some pics.below....
We were unable to transcribe this image(3) Geochemical or charge-balance definition (8.38) where BC are base cations (principally Na+. K+. Ca2. Mg). and SA are strong acid anions (principally CI SO) Of course, the three definitions define essentially the same property of water, but each emphasizes a different aspect of alkalinity, respectively: () the way we measure...
strong nucleophile weak base strong bulky base strong nucleophile strong base Promote SN2/E2 weak nucleophile weak...
strong nucleophile weak base strong bulky base strong nucleophile strong base Promote SN2/E2 weak nucleophile weak base Promote SN1/E1 Promote SN2 Promote E2 CH Br HS NCT HO CHO CHÚCHO NaNO NaOH NOME Noe HOORS Conjugate acids have pka 16-18 Conjugate acids Recall, you make hydroxide have pka 11 or alkoxide ons from the corresponding alcohol or water and Nat CH,OH (MOH) HO CH,CH,OH (EXOH) | HC-Ć-o to CH tert-BUOK NOCH KOHBU NEOBU The structures above are all ways of...
Would someone be able to explain the difference between salts and normal weak/strong acids/bases? I'm trying...
Would someone be able to explain the difference between salts and normal weak/strong acids/bases? I'm trying to learn solubility and acid base equilibrium and I'm not sure what the 'salt' means and how this relates to if something is more or less soluble in an acid or a base. thank you!
Explain which of the following indicators would be appropriate for a strong acid-strong base titration? Indicator...
Explain which of the following indicators would be appropriate for a strong acid-strong base titration? Indicator pH of color change Bromphenol blue 3.0 - 4.6 Bromothymol blue 6.0 - 7.6 Phenolphthalein 8.0 - 9.6
Completing and Balancing Neutralization Reactions 10 of 18 For example, if you have a cation with...
Completing and Balancing Neutralization Reactions 10 of 18 For example, if you have a cation with a 1+ charge and an anion with a 2-charge, you will need two cations to balance the charge: I(1+ charge on cation)(2)]+[(2-charge on anion)(1)) = (+2) + (-2) = 0 Complete the following statements regarding the number of cations and anions present in the various ionic compounds. Match the numbers to the appropriate blanks in the sentences below. Make certain each sentence is complete...
Q1: Explain the difference in pH due to the presence of Fe2+ species without doing a...
Q1: Explain the difference in pH due to the presence of Fe2+
species without doing a pH calculation.
Q2: How does the distribution of Fe2+ species (aq, uncomplexed)
compare with the (Fe(C6H5COO)2) (aq) in a pond containing sediment?
Use the soil-water partition coefficient to explain your answer: ??
=??/?? where Cs is the concentration in the sediment and Cw is the
concentration in the water phase.
3. Alkalinity is related to the buffering capacity of an aqueous solution containing an...
please explain how you got your all your answers 5. Which one of the following conditions...
please explain how you got your all your answers
5. Which one of the following conditions is always TRUE for a titration of a WEAK ACID with a STRONG BASE? a. A colored indicator with a pka less than 7 should be used. b. Equal volumes of weak acid and strong base are required to reach the equivalence point. c. The equivalence point occurs at a pH equal to 7. d. The equivalence point occurs at a pH greater than...
$. (0.5 pt) Complete this table. The choices are: SA for strong acid, WA for weak...
$. (0.5 pt) Complete this table. The choices are: SA for strong acid, WA for weak acid, SB for strong base, WB for weak base, N for płH neutral species. The first line is done as an Chemical Formula of species CHjCH COOH Sr(OH)2 KCl le How does it act in water? Why/how? WA (recognize the-COOH carboxylic acid group) HBr Fe (aq) CHjNH2 9.(0.8 pt) A buffer is prepared from 0.0250 M acetic acid and 0.0500 M sodium acetate. Calculate...
4. Acetic acid is a weak acid and sodium hydroxide is a strong base, would you expect the equivalence point for thi...
4. Acetic acid is a weak acid and sodium hydroxide is a strong base, would you expect the equivalence point for this titration to be above pH 7, at pH 7, or below pH 7? Explain why this is the case. 5. Figure 3 shows the intermolecular forces present in 1-octanol. Identify and label these forces. Figure 3. 6. Sketch a diagram showing the intermolecular forces between acetic acid and water. 7. Sketch a diagram showing the intermolecular forces between...
Assuming equal concentrations, rank these solutions by pH. Almost. You've correctly placed the strong base at the top and the strong acid at the bottom. Now focus on the order of the three salts in the middle. A salt will be neutral if both its cation and anion are derived from strong acids and bases. A salt can act as a weak base if it contains the anion of a weak acid (i.e. any anion that is not the conjugate...
Our teacher said.....for this book
Page286....
His Question is, calculate the three endpoints
in page 286.
For the P.286, I take some pics.below....
We were unable to transcribe this image(3) Geochemical or charge-balance definition (8.38) where BC are base cations (principally Na+. K+. Ca2. Mg). and SA are strong acid anions (principally CI SO) Of course, the three definitions define essentially the same property of water, but each emphasizes a different aspect of alkalinity, respectively: () the way we measure...
strong nucleophile weak base strong bulky base strong nucleophile strong base Promote SN2/E2 weak nucleophile weak base Promote SN1/E1 Promote SN2 Promote E2 CH Br HS NCT HO CHO CHÚCHO NaNO NaOH NOME Noe HOORS Conjugate acids have pka 16-18 Conjugate acids Recall, you make hydroxide have pka 11 or alkoxide ons from the corresponding alcohol or water and Nat CH,OH (MOH) HO CH,CH,OH (EXOH) | HC-Ć-o to CH tert-BUOK NOCH KOHBU NEOBU The structures above are all ways of...
Completing and Balancing Neutralization Reactions 10 of 18 For example, if you have a cation with a 1+ charge and an anion with a 2-charge, you will need two cations to balance the charge: I(1+ charge on cation)(2)]+[(2-charge on anion)(1)) = (+2) + (-2) = 0 Complete the following statements regarding the number of cations and anions present in the various ionic compounds. Match the numbers to the appropriate blanks in the sentences below. Make certain each sentence is complete...
Q1: Explain the difference in pH due to the presence of Fe2+
species without doing a pH calculation.
Q2: How does the distribution of Fe2+ species (aq, uncomplexed)
compare with the (Fe(C6H5COO)2) (aq) in a pond containing sediment?
Use the soil-water partition coefficient to explain your answer: ??
=??/?? where Cs is the concentration in the sediment and Cw is the
concentration in the water phase.
3. Alkalinity is related to the buffering capacity of an aqueous solution containing an...
please explain how you got your all your answers
5. Which one of the following conditions is always TRUE for a titration of a WEAK ACID with a STRONG BASE? a. A colored indicator with a pka less than 7 should be used. b. Equal volumes of weak acid and strong base are required to reach the equivalence point. c. The equivalence point occurs at a pH equal to 7. d. The equivalence point occurs at a pH greater than...
$. (0.5 pt) Complete this table. The choices are: SA for strong acid, WA for weak acid, SB for strong base, WB for weak base, N for płH neutral species. The first line is done as an Chemical Formula of species CHjCH COOH Sr(OH)2 KCl le How does it act in water? Why/how? WA (recognize the-COOH carboxylic acid group) HBr Fe (aq) CHjNH2 9.(0.8 pt) A buffer is prepared from 0.0250 M acetic acid and 0.0500 M sodium acetate. Calculate...
4. Acetic acid is a weak acid and sodium hydroxide is a strong base, would you expect the equivalence point for this titration to be above pH 7, at pH 7, or below pH 7? Explain why this is the case. 5. Figure 3 shows the intermolecular forces present in 1-octanol. Identify and label these forces. Figure 3. 6. Sketch a diagram showing the intermolecular forces between acetic acid and water. 7. Sketch a diagram showing the intermolecular forces between...
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