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6) When 0.0100 moles of dimethyl amine (CH3)2NH) is added to 1.000 liters of water,...
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the...
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the pH of the water increases above the value pH = 7.0 found for neutral solutions. Based on this, we may conclude that a) dimethyl amide is a Lewis base b) dimethyl amide is a Bronsted base c) dimethyl amide is an Arrhenius base d) both b and c e) Both a and b and
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the...
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the pH of the water increases above the value pH = 7.0 found for neutral solutions. Based on this, we may conclude that a) dimethyl amide is an Arrhenius base b) dimethyl amide is a Bronsted base c) dimethyl amide is a Lewis base d) both a and b e) Both a and b and c
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the...
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the pH of the water increases above the value pH = 7.0 found for neutral solutions. Based on this, we may conclude that a) dimethyl amide is an Arrhenius base b) dimethyl amide is a Bronsted base c) dimethyl amide is a Lewis base d) both a and b e) Both a and b and c 3
6) When 0.0100 moles of dimethyl amine (CH3)2NH) is added to 1.000 liters of water, the...
6) When 0.0100 moles of dimethyl amine (CH3)2NH) is added to 1.000 liters of water, the pH of the wall increases above the value pH - 7.0 found for neutral solutions. Based on this, we may conclude that a) dimethyl amide is a Lewis base b) dimethylamide is a Bronsted base c) dimethylamide is an Arrhenius base d) both b and e) Both a and b and
4) For which of the folling pure chemical substances will SⓇ = 0.0 J/mol K when...
4) For which of the folling pure chemical substances will SⓇ = 0.0 J/mol K when T = 25.0°C? a) O2(g) b) Os(g) c) FeCl(s) d) Both a and e) None of the above 5) For a particular chemical reaction it is found that the value for the equilibrium constant for the reaction decreases as temperature increases. Based on this we can conclude a) AH 0 b) AH > 0 c) AS0 d) AS rx > 0 e) AGºrx <...
5) For a particular chemical reaction it is found that the value for the equilibrium constant...
5) For a particular chemical reaction it is found that the value for the equilibrium constant for the reaction decreases as temperature increases. Based on this we can conclude a) AH>0 b) AH® < 0 c) AS > 0 d) AS 0 e) AG < 0 6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the pH of the water increases above the value pH = 7.0 found for neutral solutions. Based on this,...
1) What is the value for the van't Hoff factor (i) for Zn(NO:)? a) i =...
1) What is the value for the van't Hoff factor (i) for Zn(NO:)? a) i = 1 b) i - 2 di-4 e)i>4 2) 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) Botha and be e) Both a and 3) For a chemical reaction to...
Unless otherwise specified, you may assume T = 25.0 °C in all of the problems on...
Unless otherwise specified, you may assume T = 25.0 °C in all of the problems on this exam. Part 1. Multiple choice. Circle the letter corresponding to the correct answer. There is one and only one correct answer per problem. [6 points each] 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...
urgent 8) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH,PO)...
urgent
8) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH,PO) and 6-0100 moles of potassium hydrogen phosphate (K_HPO.) into 1.000 liters of water. When 0.0010 moles of NaOH is added to this solution, what will happen? a) The pH of the solution will decrease by a large amount (>0.10 pH units) b) The pH of the solution will decrease by a small amount (<0.10 pH units) c) The pH of the solution will be...
7) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH2PO4) and...
7) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH2PO4) and 0.0100 moles of potassium hydrogen phosphate (K_HPO4) into 1.000 liters of water. When 0.0010 moles of NaOH is added to this solution, what will happen? a) The pH of the solution will increase by a small amount (< 0.10 pH units) b) The pH of the solution will increase by a large amount > 0.10 pH units) c) The pH of the solution will...
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the pH of the water increases above the value pH = 7.0 found for neutral solutions. Based on this, we may conclude that a) dimethyl amide is a Lewis base b) dimethyl amide is a Bronsted base c) dimethyl amide is an Arrhenius base d) both b and c e) Both a and b and
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the pH of the water increases above the value pH = 7.0 found for neutral solutions. Based on this, we may conclude that a) dimethyl amide is an Arrhenius base b) dimethyl amide is a Bronsted base c) dimethyl amide is a Lewis base d) both a and b e) Both a and b and c
6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the pH of the water increases above the value pH = 7.0 found for neutral solutions. Based on this, we may conclude that a) dimethyl amide is an Arrhenius base b) dimethyl amide is a Bronsted base c) dimethyl amide is a Lewis base d) both a and b e) Both a and b and c 3
6) When 0.0100 moles of dimethyl amine (CH3)2NH) is added to 1.000 liters of water, the pH of the wall increases above the value pH - 7.0 found for neutral solutions. Based on this, we may conclude that a) dimethyl amide is a Lewis base b) dimethylamide is a Bronsted base c) dimethylamide is an Arrhenius base d) both b and e) Both a and b and
4) For which of the folling pure chemical substances will SⓇ = 0.0 J/mol K when T = 25.0°C? a) O2(g) b) Os(g) c) FeCl(s) d) Both a and e) None of the above 5) For a particular chemical reaction it is found that the value for the equilibrium constant for the reaction decreases as temperature increases. Based on this we can conclude a) AH 0 b) AH > 0 c) AS0 d) AS rx > 0 e) AGºrx <...
5) For a particular chemical reaction it is found that the value for the equilibrium constant for the reaction decreases as temperature increases. Based on this we can conclude a) AH>0 b) AH® < 0 c) AS > 0 d) AS 0 e) AG < 0 6) When 0.0100 moles of dimethyl amine ((CH3)2NH) is added to 1.000 liters of water, the pH of the water increases above the value pH = 7.0 found for neutral solutions. Based on this,...
1) What is the value for the van't Hoff factor (i) for Zn(NO:)? a) i = 1 b) i - 2 di-4 e)i>4 2) 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) Botha and be e) Both a and 3) For a chemical reaction to...
Unless otherwise specified, you may assume T = 25.0 °C in all of the problems on this exam. Part 1. Multiple choice. Circle the letter corresponding to the correct answer. There is one and only one correct answer per problem. [6 points each] 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...
urgent
8) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH,PO) and 6-0100 moles of potassium hydrogen phosphate (K_HPO.) into 1.000 liters of water. When 0.0010 moles of NaOH is added to this solution, what will happen? a) The pH of the solution will decrease by a large amount (>0.10 pH units) b) The pH of the solution will decrease by a small amount (<0.10 pH units) c) The pH of the solution will be...
7) A buffer solution is formed by adding 0.0100 moles of potassium dihydrogen phosphate (KH2PO4) and 0.0100 moles of potassium hydrogen phosphate (K_HPO4) into 1.000 liters of water. When 0.0010 moles of NaOH is added to this solution, what will happen? a) The pH of the solution will increase by a small amount (< 0.10 pH units) b) The pH of the solution will increase by a large amount > 0.10 pH units) c) The pH of the solution will...
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