Homework Answers
![pH = -log ent] = log [ht] - - PH [ht) = antilog (-PM) [HT] = 10PM [+] = 106 [ht] = 0.000001 M Answer: D = 0.000001M](http://img.homeworklib.com/questions/4333d180-6f0f-11ea-bba2-cd2a04e6e06a.png?x-oss-process=image/resize,w_560)
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с пе отсечасто D) total ionic equation E) none of the above 9) Which of the...
A) ICI B) BrF C) HBr D) all of the above E) none of the above...
A) ICI B) BrF C) HBr D) all of the above E) none of the above Section: 12.1 The Chemical Bond Concept 33) Which of the following anions is isoelectronic with argon? A) nitride ion B) sulfide ion C) bromide ion D) all of the above E) none of the above Section: 12.2 lonic Bonds 34) Draw the electron dot formula for ammonia, NH3. How many nonbonding electron pairs are in an ammonia molecule? A) 1 B) 2 C) 3...
A) ICI B) BrF C) HBr D) all of the above E) none of the above...
A) ICI B) BrF C) HBr D) all of the above E) none of the above Section: 12.1 The Chemical Bond Concept 33) Which of the following anions is isoelectronic with argon? A) nitride ion B) sulfide ion C) bromide ion D) all of the above E) none of the above Section: 12.2 lonic Bonds 34) Draw the electron dot formula for ammonia, NH3. How many nonbonding electron pairs are in an ammonia molecule? A) 1 B) 2 C) 3...
the question above is the extra information that is needed Calculate alpha values for the following...
the question above is the
extra information that is needed
Calculate alpha values for the following triprotic acids every 0.5 pH units from pH 0.0 to 14.0. Plot the distribution diagram for each of the acids and label the curve for each species. (a) citric acid (b) arsenic acid (a) Plot logarithmic concentration diagrams for 0.1000 M solutions of each of the acids in Problem above. (b) For phthalic acid, find the concentrations of all species at pH 4.8. (c)...
03 +2K+ + 21- Pbl2(s) + 2K+ + 2NO3 D) Pb2+ + 21- Pla(s) E) none...
03 +2K+ + 21- Pbl2(s) + 2K+ + 2NO3 D) Pb2+ + 21- Pla(s) E) none of the above 19) Which is a spectator ion from Ag+ (aq) + NOG (aq) + K+ (aq) + A) Agt B) Br- 57 tator ion from the following complete ionic equation: +K+ (aq) + Br(aq) AgBr(s) + K+(aq) + NO3- (aq) Aglaq Brag Ag Br (s) Many Brounde anebie. ©k+ I ming Brommae are soluble bon - de 's insoluble D) AgBr E)...
10 Which of the following atoms can participate in hydrogen bonds? a. carbon b. oxygen c....
10 Which of the following atoms can participate in hydrogen bonds? a. carbon b. oxygen c. nitrogen d. b and c e. all of the above 11 If the pH of a solution is 10 and the concentration of protons is increased 10 fold by the addition of acid, what is the new concentration of protons? a. 10-11 M b. 10-9 M c. 1 M d. 10-10M e. none of the above
(e) None of the above. Answer: FB 3. When three bundles are presented to Eric, he...
(e) None of the above. Answer: FB 3. When three bundles are presented to Eric, he expresses his preference relation as: A- (1,4), and C (2.5,2.5) A or B. This observation about his preference is (4,1) B best described as: (a) Complete (b) Transitive (c) Monotone (d) Convex (e) None of the above. Answer: ID
and A) Protons, electrons D) none of the above reside in the atomic nucleus.. B) Electrons,...
and A) Protons, electrons D) none of the above reside in the atomic nucleus.. B) Electrons, neutrons E) Neutrons, only neutrons C) Protons, neutrons compound that is composed of carbon, hydrogen and oxygen contains 70.6% C, 5.9% H. and 2357 by mass. The molecular weight of the commundis 136 am What is the molecular formula A) C,H,O, B) C,H,O | C C 0 D) | | | 0 ) C,10, 12. The molarity of a solution prepared by diluting 43.72...
C) 5 D) 14 E) none of the above Which element is represented by the electron...
C) 5 D) 14 E) none of the above Which element is represented by the electron configuration 18282p? A) B) 0 C) Be D) He E) none of the above 46. What is the electron configuration for Ga? A) 1822p%3s 3p%4s 4d104p! B) 1s2 s2p 3s 3p 3d104824p 1s 2s 2p 3s 3p64523d104p! D) 152s 2p 3s 3p%3d104s24p! E) none of the above 47. What is the element in which at least one electron is in the d-orbital? A) Ar...
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)...
E. 59) The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neut...
e. 59) The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by pH--log (x)where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 3 x 10-3, A) 3.52 B) 2.48 C) 2.52 D) 3.48
e. 59) The pH of...
A) ICI B) BrF C) HBr D) all of the above E) none of the above Section: 12.1 The Chemical Bond Concept 33) Which of the following anions is isoelectronic with argon? A) nitride ion B) sulfide ion C) bromide ion D) all of the above E) none of the above Section: 12.2 lonic Bonds 34) Draw the electron dot formula for ammonia, NH3. How many nonbonding electron pairs are in an ammonia molecule? A) 1 B) 2 C) 3...
A) ICI B) BrF C) HBr D) all of the above E) none of the above Section: 12.1 The Chemical Bond Concept 33) Which of the following anions is isoelectronic with argon? A) nitride ion B) sulfide ion C) bromide ion D) all of the above E) none of the above Section: 12.2 lonic Bonds 34) Draw the electron dot formula for ammonia, NH3. How many nonbonding electron pairs are in an ammonia molecule? A) 1 B) 2 C) 3...
the question above is the
extra information that is needed
Calculate alpha values for the following triprotic acids every 0.5 pH units from pH 0.0 to 14.0. Plot the distribution diagram for each of the acids and label the curve for each species. (a) citric acid (b) arsenic acid (a) Plot logarithmic concentration diagrams for 0.1000 M solutions of each of the acids in Problem above. (b) For phthalic acid, find the concentrations of all species at pH 4.8. (c)...
03 +2K+ + 21- Pbl2(s) + 2K+ + 2NO3 D) Pb2+ + 21- Pla(s) E) none of the above 19) Which is a spectator ion from Ag+ (aq) + NOG (aq) + K+ (aq) + A) Agt B) Br- 57 tator ion from the following complete ionic equation: +K+ (aq) + Br(aq) AgBr(s) + K+(aq) + NO3- (aq) Aglaq Brag Ag Br (s) Many Brounde anebie. ©k+ I ming Brommae are soluble bon - de 's insoluble D) AgBr E)...
(e) None of the above. Answer: FB 3. When three bundles are presented to Eric, he expresses his preference relation as: A- (1,4), and C (2.5,2.5) A or B. This observation about his preference is (4,1) B best described as: (a) Complete (b) Transitive (c) Monotone (d) Convex (e) None of the above. Answer: ID
and A) Protons, electrons D) none of the above reside in the atomic nucleus.. B) Electrons, neutrons E) Neutrons, only neutrons C) Protons, neutrons compound that is composed of carbon, hydrogen and oxygen contains 70.6% C, 5.9% H. and 2357 by mass. The molecular weight of the commundis 136 am What is the molecular formula A) C,H,O, B) C,H,O | C C 0 D) | | | 0 ) C,10, 12. The molarity of a solution prepared by diluting 43.72...
C) 5 D) 14 E) none of the above Which element is represented by the electron configuration 18282p? A) B) 0 C) Be D) He E) none of the above 46. What is the electron configuration for Ga? A) 1822p%3s 3p%4s 4d104p! B) 1s2 s2p 3s 3p 3d104824p 1s 2s 2p 3s 3p64523d104p! D) 152s 2p 3s 3p%3d104s24p! E) none of the above 47. What is the element in which at least one electron is in the d-orbital? A) Ar...
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)...
e. 59) The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by pH--log (x)where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 3 x 10-3, A) 3.52 B) 2.48 C) 2.52 D) 3.48
e. 59) The pH of...
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