Homework Answers
ANSWER - HA
A strong acid is determined by greater concentration of H+ ions, as in HA there are more number of free H+ ions than in HB as illustrated in the diagram.
Thus, from these we can say that substance HA with more H+ ions than HB is strong acid.
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Question 10 (1 point) kido HA H+ A- HB HB H* В- Which substance indicates a...
Question 10 Which of the following IS a strong acid (1 point ) * H2SO4 HCN...
Question 10 Which of the following IS a strong acid (1 point ) * H2SO4 HCN HF NH3 Question 11 Write the equilibrium expression for a simple acid ionization. (HA (aq) -> H+ + A-) (1 point ) * Ka = ([H+][A-])/[HA] Ka = [H+]/[HA] Ka = [H+][A-] None of the above Question 12 Write the equilibrium expression for the following reaction. HF (aq) -> H+ (aq) + F- (aq) (1 point ) * Ka = ([H+][F-])/[HA] Ka = [H+]/[HA]...
Question 6 Ha and Hb are Н. H A. enantiotopic B homotopic none of these D....
Question 6 Ha and Hb are Н. H A. enantiotopic B homotopic none of these D. mesotopic E diastereotopic A Moving to the next question prevents changes to t
10. Which is a stronger acid: A) HA, K. - 4.4x10-10 B) HB, K, -2.6x10* 11....
10. Which is a stronger acid: A) HA, K. - 4.4x10-10 B) HB, K, -2.6x10* 11. Identify the conjugate acid of CO 2- in the reaction C0,2- + H2POCHCO,- + HPO42- A) H.CO B) HCO3- C) H20 D) HPO, E) H2PO4 12. Calculate the pH of a carbonated beverage in which the hydrogen ion concentration is 3.4 x 10 M A) 2.34 B) 3.47 C) 6.01 D) 7.99 E) 10.53
9&10 please! Question 9 Which of the following is NOT a strong acid? (1 point) *...
9&10 please!
Question 9 Which of the following is NOT a strong acid? (1 point) * HCI04 HF HI HNO3 Question 10 Which of the following is a strong acid (1 point) * H2S04 HCN HF NH3
How is proton Ha more deshielded than proton Hb 7.30 7.487.44 - 7-724 7.72 H Ha...
How is proton Ha more deshielded than proton
Hb
7.30 7.487.44 - 7-724 7.72 H Ha 8.32 57:46 7.49 8:36 8.0 Proton to which would be more at lughes ppm will be less lower ppm. is attached to anthracene. deshielded and this. while the Hy proton deshielded. Hence at
Question 1 (1 point) Saved A freezing point of a substance is the same temperature as...
Question 1 (1 point) Saved A freezing point of a substance is the same temperature as the melting point of the substance. True False Question 2 (1 point) Temperature and kinetic energy are directly proportional to one another. For example, as T increases, KE also increases. True False Question 3 (1 point) A solution will always have a higher freezing point than a pure solvent. True False Question 4 (1 point) When graphing your temperature and time data, which measurement...
In the titration of the weak acid (HA) by a strong base, such as NaOH, what is meant by the equivalence point? HA)...
In the titration of the weak acid (HA) by a strong base, such as NaOH, what is meant by the equivalence point? HA) by a strong ered 1.00 Select one: a. The point at which the titration should be stopped. b. The point at which the concentration of HA is equal to the concentration of A. Flag C. The point at which HA is completely converted to A. d. The point at which HA begins to be converted to A
protons Ha and Hb in the following compound are Question 22 Determine the multiplicity of each...
protons Ha and Hb in the following compound are
Question 22 Determine the multiplicity of each signal in the expected 'H NMR spectrum of the following compound. IV v 2 VII 11 VI I- II III - IV - V- VI - VII
Constants 1 Per A certain weak acid, HA, with a K value of 5.61 x 10-6,...
Constants 1 Per A certain weak acid, HA, with a K value of 5.61 x 10-6, is titrated with NaOH. Part A A solution is made by titrating 7.00 mmol (millimoles) of HA and 3.00 mmol of the strong base. What is the resulting pH? Express the pH numerically to two decimal places. View Available Hint(s) IVO AQ R O ? pH в Submit Previous Answers X Incorrect; Try Again Part B More strong base is added until the equivalence...
1. A 0.100 M solution of the weak acid HB has a pH of 3.00. What...
1. A 0.100 M solution of the weak acid HB has a pH of 3.00. What are the [H+], [B-], and Ka for this acid? 2. A solid acid is dissolved in water. Half the solution is titrated to a phenolphthalein end point with NaOH solution. The neutralized and acid solutions are then mixed and the pH of the resulting solution is found to be 4.60. Find Ka of the solid acid. 3. Assuming your buffered solution contains acetic acid,...
Question 6 Ha and Hb are Н. H A. enantiotopic B homotopic none of these D. mesotopic E diastereotopic A Moving to the next question prevents changes to t
10. Which is a stronger acid: A) HA, K. - 4.4x10-10 B) HB, K, -2.6x10* 11. Identify the conjugate acid of CO 2- in the reaction C0,2- + H2POCHCO,- + HPO42- A) H.CO B) HCO3- C) H20 D) HPO, E) H2PO4 12. Calculate the pH of a carbonated beverage in which the hydrogen ion concentration is 3.4 x 10 M A) 2.34 B) 3.47 C) 6.01 D) 7.99 E) 10.53
9&10 please!
Question 9 Which of the following is NOT a strong acid? (1 point) * HCI04 HF HI HNO3 Question 10 Which of the following is a strong acid (1 point) * H2S04 HCN HF NH3
How is proton Ha more deshielded than proton
Hb
7.30 7.487.44 - 7-724 7.72 H Ha 8.32 57:46 7.49 8:36 8.0 Proton to which would be more at lughes ppm will be less lower ppm. is attached to anthracene. deshielded and this. while the Hy proton deshielded. Hence at
Question 1 (1 point) Saved A freezing point of a substance is the same temperature as the melting point of the substance. True False Question 2 (1 point) Temperature and kinetic energy are directly proportional to one another. For example, as T increases, KE also increases. True False Question 3 (1 point) A solution will always have a higher freezing point than a pure solvent. True False Question 4 (1 point) When graphing your temperature and time data, which measurement...
In the titration of the weak acid (HA) by a strong base, such as NaOH, what is meant by the equivalence point? HA) by a strong ered 1.00 Select one: a. The point at which the titration should be stopped. b. The point at which the concentration of HA is equal to the concentration of A. Flag C. The point at which HA is completely converted to A. d. The point at which HA begins to be converted to A
protons Ha and Hb in the following compound are
Question 22 Determine the multiplicity of each signal in the expected 'H NMR spectrum of the following compound. IV v 2 VII 11 VI I- II III - IV - V- VI - VII
Constants 1 Per A certain weak acid, HA, with a K value of 5.61 x 10-6, is titrated with NaOH. Part A A solution is made by titrating 7.00 mmol (millimoles) of HA and 3.00 mmol of the strong base. What is the resulting pH? Express the pH numerically to two decimal places. View Available Hint(s) IVO AQ R O ? pH в Submit Previous Answers X Incorrect; Try Again Part B More strong base is added until the equivalence...
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