Homework Answers
From the figure, we can see that only one out of 5 HF molecules is dissociated into H+ and F-.
That is, partial dissociation is occured.
- Hence, Correct option is (A) HF is a weak electrolyte.
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4:12 Question 6 of 16 Submit The following picture represents the dissociation of HF in aqueous...
Question 12 of 35 > Attempt 6 Use the Conductivity interactive to identify each aqueous solution...
Question 12 of 35 > Attempt 6 Use the Conductivity interactive to identify each aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte Strong electrolyte Weak electrolyte Nonelectrolyte HO HIC,H,O, Na NOI NH, C,H,O, Antwer Bank Inconet
Use the References to access important values if needed for this question. Identify each of the following as a stro...
Use the References to access important values if needed for this question. Identify each of the following as a strong electrolyte, a weak electrolyte or a nonelectrolyte, based on its behavior when dissolved in water. Nacio_(s) - Na+ (aq) + C104- (aq) (NH, ) CO(s) (NH4)2CO(aq) strong electrolyte weak electrolyte CH, COOH(aq) + H2O(l) =H30* (aq) + CH3COO(aq) nonelectrolyte HCIO (4) + H2O(9) H30+ (aq) + C104" (aq) Submit Answer Retry Entire Group 4 more group attempts remaining
question 6 a-f 6. The dissociation reaction for hydrofluoric acid is shown below. HF (aq) =...
question 6 a-f
6. The dissociation reaction for hydrofluoric acid is shown below. HF (aq) = H (aq) + F (aq) a. Write an equilibrium expression for the dissociation reaction shown above. b. An HF solution at equilibrium is found to contain 0.0445 M HF, 0.00549 MH', and 0.00549 MF. Based on this information, what is the value of Key for the dissociation of HF? Show calculations to support your answer. A small amount of CaCl2 is added to the...
100 Experiment 12 Determination of Solution pH 2. Provide equations for each of the following. (Use...
100 Experiment 12 Determination of Solution pH 2. Provide equations for each of the following. (Use compounds from question 1. if you want a) Dissociation of a strong base in water b) Dissociation of a strong acid in water c) lonization of a weak base in water d) lonization of a weak acid in water e) Autoionization of water _ M 3. A 5.0 M solution of HCl in water has a proton concentration of M. 4. A 0.01 M...
Question 10 of 12 > A small volume within a 200 mL aqueous solution of methanol...
Question 10 of 12 > A small volume within a 200 mL aqueous solution of methanol is shown in the image. Identify which image represents the same volume of the solution after the volume of the solution is halved by removing 100 mL of water. Question 10 of 12 >
please helppp on these 4 questions ss please QUICKK 1.5 pts Question 6 What are the...
please helppp on these 4 questions ss please QUICKK
1.5 pts Question 6 What are the spectator ions in the reaction between aqueous ammonia and hydrofluoric acid ? ammonia fluoride ion ammonium ion ammonium and fluoride ions There are no spectator ions. 3.5 pts Question 7 The pH of a solution of barium hydroxide is 12.53. How many milliliters of this solution are needed to titrate 125 mL of a solution of 0.0200 M sulfuric acid ? 148 mL 165...
13. Hydrogen Fluoride (HF) is a covalentens It is: ANonpolar B. Polar 14. Would you expect...
13. Hydrogen Fluoride (HF) is a covalentens It is: ANonpolar B. Polar 14. Would you expect water to dissolve Hydrogen Fluoride? A. Yes B. No 15. What is the best equation for the dissociation (ionization) using HF instead of HCl, understanding that HF is a WEAK electrolyte (and acid). A. HF(g) + H2O(l) HF (aq) B. HF(g) + H2O(1) - H +F C. HF(g) + H2O(l) HUF 16. You dissolve 1 mole of HF(g) in water and bring the volume...
t in the orams ts. Conductivity Chem 113 Reading Assignment 1. Read sections 8.2-8.3 in your...
t in the orams ts. Conductivity Chem 113 Reading Assignment 1. Read sections 8.2-8.3 in your lecture text. 2. Review Sample Exercise 8.4 on pages 326-327 of your lecture text. Introduction Properties of Solutions: Electrolytes and Non-Electrolytes In this experiment, you will discover some properties of strong electrolytes, weak electrolytes, and non- electrolytes by observing the behavior of these substances in aqueous solutions. You will determine these properties using a conductivity Probe. When the probe is placed in a solution...
Acid/Base Strenght and naming the following questions Question 1 12 pts Indicate each of the following...
Acid/Base Strenght and naming
the following questions Question 1 12 pts Indicate each of the following acids and bases as strong or weak. Also indicate if it is Arrhenius, Bronsted/Lowry (B/L). or Both. 1. LIOH(aq) (Select] Type? [Select] 2. H2SO4 (aq) [Select] Type? [Select] 3. NH3(aq) [Select] Type? [Select] 4. HF (aq) [Select] : Type? [Select) 5. NaHCO3 is what makes up baking soda. If it reacts with vinegar or dissolves in water, it is shown to be a Select]...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its potassium salt KA. Unshaded spheres represent H atoms and shaded spheres represent A-ions. (K, H30, OH", and solvent H2O molecules have been omitted for clarity.) -HA -A (1) 12) 12) Which of these solutions are buffers? A) (1) and (2) C) (1), (2) and (3) B) (1) and (3) D) All are buffer solutions The following pictures represent solutions at various stages in the...
Question 12 of 35 > Attempt 6 Use the Conductivity interactive to identify each aqueous solution as a strong electrolyte, weak electrolyte, or nonelectrolyte Strong electrolyte Weak electrolyte Nonelectrolyte HO HIC,H,O, Na NOI NH, C,H,O, Antwer Bank Inconet
Use the References to access important values if needed for this question. Identify each of the following as a strong electrolyte, a weak electrolyte or a nonelectrolyte, based on its behavior when dissolved in water. Nacio_(s) - Na+ (aq) + C104- (aq) (NH, ) CO(s) (NH4)2CO(aq) strong electrolyte weak electrolyte CH, COOH(aq) + H2O(l) =H30* (aq) + CH3COO(aq) nonelectrolyte HCIO (4) + H2O(9) H30+ (aq) + C104" (aq) Submit Answer Retry Entire Group 4 more group attempts remaining
question 6 a-f
6. The dissociation reaction for hydrofluoric acid is shown below. HF (aq) = H (aq) + F (aq) a. Write an equilibrium expression for the dissociation reaction shown above. b. An HF solution at equilibrium is found to contain 0.0445 M HF, 0.00549 MH', and 0.00549 MF. Based on this information, what is the value of Key for the dissociation of HF? Show calculations to support your answer. A small amount of CaCl2 is added to the...
100 Experiment 12 Determination of Solution pH 2. Provide equations for each of the following. (Use compounds from question 1. if you want a) Dissociation of a strong base in water b) Dissociation of a strong acid in water c) lonization of a weak base in water d) lonization of a weak acid in water e) Autoionization of water _ M 3. A 5.0 M solution of HCl in water has a proton concentration of M. 4. A 0.01 M...
Question 10 of 12 > A small volume within a 200 mL aqueous solution of methanol is shown in the image. Identify which image represents the same volume of the solution after the volume of the solution is halved by removing 100 mL of water. Question 10 of 12 >
please helppp on these 4 questions ss please QUICKK
1.5 pts Question 6 What are the spectator ions in the reaction between aqueous ammonia and hydrofluoric acid ? ammonia fluoride ion ammonium ion ammonium and fluoride ions There are no spectator ions. 3.5 pts Question 7 The pH of a solution of barium hydroxide is 12.53. How many milliliters of this solution are needed to titrate 125 mL of a solution of 0.0200 M sulfuric acid ? 148 mL 165...
13. Hydrogen Fluoride (HF) is a covalentens It is: ANonpolar B. Polar 14. Would you expect water to dissolve Hydrogen Fluoride? A. Yes B. No 15. What is the best equation for the dissociation (ionization) using HF instead of HCl, understanding that HF is a WEAK electrolyte (and acid). A. HF(g) + H2O(l) HF (aq) B. HF(g) + H2O(1) - H +F C. HF(g) + H2O(l) HUF 16. You dissolve 1 mole of HF(g) in water and bring the volume...
t in the orams ts. Conductivity Chem 113 Reading Assignment 1. Read sections 8.2-8.3 in your lecture text. 2. Review Sample Exercise 8.4 on pages 326-327 of your lecture text. Introduction Properties of Solutions: Electrolytes and Non-Electrolytes In this experiment, you will discover some properties of strong electrolytes, weak electrolytes, and non- electrolytes by observing the behavior of these substances in aqueous solutions. You will determine these properties using a conductivity Probe. When the probe is placed in a solution...
Acid/Base Strenght and naming
the following questions Question 1 12 pts Indicate each of the following acids and bases as strong or weak. Also indicate if it is Arrhenius, Bronsted/Lowry (B/L). or Both. 1. LIOH(aq) (Select] Type? [Select] 2. H2SO4 (aq) [Select] Type? [Select] 3. NH3(aq) [Select] Type? [Select] 4. HF (aq) [Select] : Type? [Select) 5. NaHCO3 is what makes up baking soda. If it reacts with vinegar or dissolves in water, it is shown to be a Select]...
The following pictures represent solutions that contain a weak acid HA (pka = 5.0) and its potassium salt KA. Unshaded spheres represent H atoms and shaded spheres represent A-ions. (K, H30, OH", and solvent H2O molecules have been omitted for clarity.) -HA -A (1) 12) 12) Which of these solutions are buffers? A) (1) and (2) C) (1), (2) and (3) B) (1) and (3) D) All are buffer solutions The following pictures represent solutions at various stages in the...
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