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QUESTION 13 The solubility of a gas in a liquid (water) decreases when the temperature: Increases....
QUESTION 2 Solutes that when dissolved in water totally dissociate into ions and conduct electricity very...
QUESTION 2 Solutes that when dissolved in water totally dissociate into ions and conduct electricity very well are: 1. Strong electrolytes 2. Weak electrolytes 3. Nonelectrolytes
QUESTION 13 The solubility of a gas in a liquid (water) decreases when the temperature: Increases....
QUESTION 13 The solubility of a gas in a liquid (water) decreases when the temperature: Increases. Decreases. QUESTION 14 Given the chemical equation for the auto ionization of water, select the correct product that should be in the blank space. H2O + H20 11 + OH- Оно* OH © H20
QUESTION 1 What will be the Molarity of a solution that contains 4.6 moles of common...
QUESTION 1 What will be the Molarity of a solution that contains 4.6 moles of common salt dissolved in 2.0 liters of solution. Select your answer. 2.3 mol/L 2.2 mol/L 2.4 mol/L QUESTION 2 In a hypertonic solution, water leaves the red blood cell, causing it to shrink. What happens to the cell is known as: Crenation Hemolysis Hypotonic QUESTION 3 Solutes that dissolve in water as molecules forming solutions that do not conduct electricity are: Strong elctrolytes Weak electrolytes...
When forms. the following molecular compounds dissolve in water, they disperse in different In HNOs solution,...
When forms. the following molecular compounds dissolve in water, they disperse in different In HNOs solution, only H' and NO; are found, no HNOs molecules. In CHsCOOH solution, much greater amount of CH,COOH molecules and some H and CH3COO ions are found. In C3H/OH solution, only C3H OH are found. Classify and explain which compounds are electrolytes, nonelectrolytes, strong electrolytes, weak electrolytes? (8 pts) Electrolyte: Nonelectrolyte: Weak electrolyte: Strong electrolyte:
please help me answer question 1 to 3, thank you Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC c...
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
D Question 23 4 pts When a 0.100 mol of a pure compound is dissolved in...
D Question 23 4 pts When a 0.100 mol of a pure compound is dissolved in 1.0 L of water, the solution pH changes from 7.00 to 4.24. Which of the following is most likely the identity of the substance? A weak base A neutral salt A weak acid A strong base A strong acid Question 24 4 pts If the hydronium ion concentration, [H30*), in a solution is 5.6x10-10 M, what is the hydroxide ion concentration, [OH"), and the...
QUESTION 13 Given the chemical equation for the auto ionization of water, select the correct product...
QUESTION 13 Given the chemical equation for the auto ionization of water, select the correct product that should be in the blank space. H2O + H20 + OH H30+ ОН" ОН20
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...
Autoprotolysis of Water 1. The following reaction is going on all the time liquid water is...
Autoprotolysis of Water 1. The following reaction is going on all the time liquid water is present: 2H20(1) - H30+(aq) + OH-(aq) *** → NAMED REACTION: AUTOPROTOLYSIS OF WATER + *** a. Write the equilibrium constant expression for this reaction: Kw = [H3O+] [OH-] This reaction is so special the equilibrium constant has a special name: Kw = 1.0 * 10-14 = (answer to previous question) = b. HCl is a strong/weak (circle one) electrolyte. It is a strong weak...
Compound Conductivity (S/m) Type of Compound Non-, weak or strong electrolyte NaCl 43.00(s/m) Na2CO3 68.53(s/m) NaHCO3...
Compound Conductivity (S/m) Type of Compound Non-, weak or strong electrolyte NaCl 43.00(s/m) Na2CO3 68.53(s/m) NaHCO3 33.24(s/m) KNO3 37.43(s/m) NH4Cl 56.92(s/m) NH3 0.82(s/m) HCl 39.29(s/m) HCN 0.01(s/m) HAc (HC2H3O2) 0.54(s/m) When an ionic solid dissolves in water, water molecules attract the ions causing them to dissociate or come apart. The resulting dissolved ions are electrically charged particles that allow the solution to conduct electricity. Write balanced chemical equations that represent the dissociation or ionization of all compounds in the table...
QUESTION 2 Solutes that when dissolved in water totally dissociate into ions and conduct electricity very well are: 1. Strong electrolytes 2. Weak electrolytes 3. Nonelectrolytes
QUESTION 13 The solubility of a gas in a liquid (water) decreases when the temperature: Increases. Decreases. QUESTION 14 Given the chemical equation for the auto ionization of water, select the correct product that should be in the blank space. H2O + H20 11 + OH- Оно* OH © H20
QUESTION 1 What will be the Molarity of a solution that contains 4.6 moles of common salt dissolved in 2.0 liters of solution. Select your answer. 2.3 mol/L 2.2 mol/L 2.4 mol/L QUESTION 2 In a hypertonic solution, water leaves the red blood cell, causing it to shrink. What happens to the cell is known as: Crenation Hemolysis Hypotonic QUESTION 3 Solutes that dissolve in water as molecules forming solutions that do not conduct electricity are: Strong elctrolytes Weak electrolytes...
When forms. the following molecular compounds dissolve in water, they disperse in different In HNOs solution, only H' and NO; are found, no HNOs molecules. In CHsCOOH solution, much greater amount of CH,COOH molecules and some H and CH3COO ions are found. In C3H/OH solution, only C3H OH are found. Classify and explain which compounds are electrolytes, nonelectrolytes, strong electrolytes, weak electrolytes? (8 pts) Electrolyte: Nonelectrolyte: Weak electrolyte: Strong electrolyte:
please help me answer question 1 to 3,
thank you
Chapter 9, Solutions, Review & Extra Credit. 2 Points for each XC correct answer; 6 points total, max. Partial Credit given. Suggestions...work in teams [it will improve the learning experience] 1. Solutions-A solution forms when a solute (the smaller quantity) dissolves in a solvent (the larger quantity). In a solution, the particles of solute are evenly distributed in the solvent. A solute may be a gas, liquid or solid. A...
D Question 23 4 pts When a 0.100 mol of a pure compound is dissolved in 1.0 L of water, the solution pH changes from 7.00 to 4.24. Which of the following is most likely the identity of the substance? A weak base A neutral salt A weak acid A strong base A strong acid Question 24 4 pts If the hydronium ion concentration, [H30*), in a solution is 5.6x10-10 M, what is the hydroxide ion concentration, [OH"), and the...
QUESTION 13 Given the chemical equation for the auto ionization of water, select the correct product that should be in the blank space. H2O + H20 + OH H30+ ОН" ОН20
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...
Autoprotolysis of Water 1. The following reaction is going on all the time liquid water is present: 2H20(1) - H30+(aq) + OH-(aq) *** → NAMED REACTION: AUTOPROTOLYSIS OF WATER + *** a. Write the equilibrium constant expression for this reaction: Kw = [H3O+] [OH-] This reaction is so special the equilibrium constant has a special name: Kw = 1.0 * 10-14 = (answer to previous question) = b. HCl is a strong/weak (circle one) electrolyte. It is a strong weak...
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