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Which of the following is true if the pH of a solution decreases from 5 to...
is e correct??? Jos The pH of a solution is raised from 3 to 5. Which...
is e correct???
Jos The pH of a solution is raised from 3 to 5. Which statement is false? A) The final [OH-] (at pH = 5) is 10-9 M. B) The pOH decreases from 11 to 9. C) The initial solution could be 0.001 M HNO3. D) The initial [H+] (at pH = 3) is 10-3 M. (E) The [H] decreases by a factor of 20.
The pH of a solution is raised from 3 to 5. Which statement is false? Question...
The pH of a solution is raised from 3 to 5. Which statement is false? Question 7 options: A) The final [OH–] (at pH = 5) is 10–9M. B) The [H+] decreases by a factor of 20. C) The initial solution could be 0.001 M HNO3. D) The pOH decreases from 11 to 9. E) The initial [H+] (at pH = 3) is 10–3M.
24. Which of the following statements is true? the bond order decreases, the bond strength increases,...
24. Which of the following statements is true? the bond order decreases, the bond strength increases, and the bond length increases s the bond order increases, the bond strength increases, and the bond length decreases b. A c. As the bond order increases, the bond strength decreases, and the bond length decreases d. As the bond order decreases, the bond strength decreases, and the bond length decreases e. None of the above is true 25. In which pair of compounds...
9. Consider a 0.15 M solution of H2SO4. Which of the following statements is NOT true?...
9. Consider a 0.15 M solution of H2SO4. Which of the following statements is NOT true? A) This solution would turn litmus to red. B) This solution could neutralize a base. C) This solution has a pH of 11.20. D) This solution could dissolve metal. E) none of the above 10. What is the concentration of the hydronium [Halo ons in a neutral solution? 11. What is the concentration of hydronium ions in an acidic solution? A) 0.0 M B)...
Acids and Bases 1) Which of the following is a general property of a basic solution?...
Acids and Bases 1) Which of the following is a general property of a basic solution? a. feels slippery b pH less than 7 c. tastes sour d. turns litmus paper red e. none of the above 2) If a vinegar sample has a pH of 5, the solution is which of the following: a. strongly acidic b. weakly acidic c neutral d. weakly basic e. strongly basic 3) Which of the following is a weak Arrhenius acid a. HNO3...
1) Which of the following makes formation of a solution from two pure chemical substances more...
1) Which of the following makes formation of a solution from two pure chemical substances more likely to occur? a) If randomness increases when a solution forms b) If energy decreases when a solution forms c) If energy increases when a solution forms d) Both a and b e) Both a and c 2) What is the value for the van't Hoff factor (1) for Cu(NO3)2? a) i=1 b) i=2 c) i=3 d) i=4 e) i>4 3) For which of...
SO 2. Which of the following statements is/are true about the electrolysis of aqueous MgBrz? a)...
SO 2. Which of the following statements is/are true about the electrolysis of aqueous MgBrz? a) The pH of the solution near the cathode will increase as the electrolysis reaction proceeds. b) Mg will plate out at the cathode. obhos 23 enhora dolomoHS c) Mg2+ is getting reduced at anode. 22 nenusilon olvides d) Br is getting reduced at the cathode. e) None of the above statements is correct. 3. The half-reaction that occurs at the anode in the electrolysis...
Which is true? a. Acuity decreases with more receptors and smaller receptive fields b. Acuity increases...
Which is true? a. Acuity decreases with more receptors and smaller receptive fields b. Acuity increases with more receptors and smaller receptive fields c. Acuity increases with more receptors d. Acuity increases with smaller receptive fields e. None of the above
18) Which of the following is TRUE? 18) A) A basic solution does not contain H3O+...
18) Which of the following is TRUE? 18) A) A basic solution does not contain H3O+ B) An acidic solution has [H3O+]> [OH-] C) A neutral solution contains [H20] = [H3O+] D) An neutral solution does not contain any H3O+ or OH- E) None of the above are true. 19) Determine the pH of a 0.023 M HNO3 solution. 19) A) 2.49 B) 3.68 C) 1.64 D) 12.36 E) 2.30 20) Determine the pH of a 0.188 M NH3 solution...
M. 7. What is true about the pH of a solution with a hydrogen ion concentration...
M. 7. What is true about the pH of a solution with a hydrogen ion concentration of 7.3 x 10 The pH is 3.7 and is acidic. The pH is 8.1 and has excess H in solution. 73000 Bongo C. The pH is 8.1 and has excess OH' in solution. d. The pH is 9.0 and it is basic. e. None of the above answers are correct. A water solution that accumulates CO2 gas will have a tendency to a....
is e correct???
Jos The pH of a solution is raised from 3 to 5. Which statement is false? A) The final [OH-] (at pH = 5) is 10-9 M. B) The pOH decreases from 11 to 9. C) The initial solution could be 0.001 M HNO3. D) The initial [H+] (at pH = 3) is 10-3 M. (E) The [H] decreases by a factor of 20.
24. Which of the following statements is true? the bond order decreases, the bond strength increases, and the bond length increases s the bond order increases, the bond strength increases, and the bond length decreases b. A c. As the bond order increases, the bond strength decreases, and the bond length decreases d. As the bond order decreases, the bond strength decreases, and the bond length decreases e. None of the above is true 25. In which pair of compounds...
9. Consider a 0.15 M solution of H2SO4. Which of the following statements is NOT true? A) This solution would turn litmus to red. B) This solution could neutralize a base. C) This solution has a pH of 11.20. D) This solution could dissolve metal. E) none of the above 10. What is the concentration of the hydronium [Halo ons in a neutral solution? 11. What is the concentration of hydronium ions in an acidic solution? A) 0.0 M B)...
1) Which of the following makes formation of a solution from two pure chemical substances more likely to occur? a) If randomness increases when a solution forms b) If energy decreases when a solution forms c) If energy increases when a solution forms d) Both a and b e) Both a and c 2) What is the value for the van't Hoff factor (1) for Cu(NO3)2? a) i=1 b) i=2 c) i=3 d) i=4 e) i>4 3) For which of...
SO 2. Which of the following statements is/are true about the electrolysis of aqueous MgBrz? a) The pH of the solution near the cathode will increase as the electrolysis reaction proceeds. b) Mg will plate out at the cathode. obhos 23 enhora dolomoHS c) Mg2+ is getting reduced at anode. 22 nenusilon olvides d) Br is getting reduced at the cathode. e) None of the above statements is correct. 3. The half-reaction that occurs at the anode in the electrolysis...
18) Which of the following is TRUE? 18) A) A basic solution does not contain H3O+ B) An acidic solution has [H3O+]> [OH-] C) A neutral solution contains [H20] = [H3O+] D) An neutral solution does not contain any H3O+ or OH- E) None of the above are true. 19) Determine the pH of a 0.023 M HNO3 solution. 19) A) 2.49 B) 3.68 C) 1.64 D) 12.36 E) 2.30 20) Determine the pH of a 0.188 M NH3 solution...
M. 7. What is true about the pH of a solution with a hydrogen ion concentration of 7.3 x 10 The pH is 3.7 and is acidic. The pH is 8.1 and has excess H in solution. 73000 Bongo C. The pH is 8.1 and has excess OH' in solution. d. The pH is 9.0 and it is basic. e. None of the above answers are correct. A water solution that accumulates CO2 gas will have a tendency to a....
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