Homework Answers
can donate its H+ to behave as a Bronsted-Lowry acid. Other two are
bases which can accept H+ ion and are Bronsted-Lowry base.
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m Question 30 (3 points) Which one of the following can only be a Brønsted-Lowry acid?...
Sulfurous acid is unstable in aqueous solution and gradually decomposes to water and sulfur dioxide gas (which explains...
Sulfurous acid is unstable in aqueous solution and gradually decomposes to water and sulfur dioxide gas (which explains the choking odor associated with sulfurous acid solutions) H2SO3 (ag)H20()SO2 (g) If 7.20 g of sulfurous acid undergoes this reaction, what mass of sulfur dioxide is released? g SO2
Which of the following is INCORRECT for Brønsted-Lowry acids and bases? Select one: O a. Water...
Which of the following is INCORRECT for Brønsted-Lowry acids and bases? Select one: O a. Water reacts with itself to form hydronium and hydroxide, a process called autoprotolysis. O b. NH4 is the conjugate acid of the weak base NH3. c. When an acid and a base react, the acid and base neutralize each other and form a salt. Od. Acids are proton donors. e. CH3CN is a protic solvent.
Which one of the following salts, when dissolved in water, produces the solution with the highest...
Which one of the following salts, when dissolved in water, produces the solution with the highest pH? HINT: Remember that BASES have high pH. Mgo CH3NH31 LICIO4 O NaHSO4 Which of the following are weak diprotic acids? hydrocyanic acid - HCN, sulfuric acid - H2SO4, phosphoric acid - H3PO4 carbonic acid - H2CO3, hydrosulfuric acid - H2S, acetic acid - CH3COOH O carbonic acid - H2CO3, oxalic acid - H2C2O4, sulfurous acid - H2SO3 formic acid - HCOOH, acetic acid...
Question 3 (2 points) Which of the following is considered a weak acid when dissolved in...
Question 3 (2 points) Which of the following is considered a weak acid when dissolved in water? c) H2SO3 b) HF a) HNO2 A) a only B) c only C) All of them D) b only E) None of them
Dich one of the following is a Brønsted-Lowry base? 1) Which one A) (CH3)2N B) CH3COOH...
Dich one of the following is a Brønsted-Lowry base? 1) Which one A) (CH3)2N B) CH3COOH C) HNO2 D) HF E) none of the above 12) A volatile liquid is one that A) is highly flammable B) is highly hydrogen-bonded C) is highly cohesive D) is highly viscous E) readily evaporates 13) Consider the following reaction at equilibrium 2NH3 (8) N2(g) + 3H2 (8) Le Chatelier's principle predicts that the moles of Hy in the reaction container will increase with...
Question 29 3 pts Which is the strongest acid? o HBro, o H, Teo o HCIO,...
Question 29 3 pts Which is the strongest acid? o HBro, o H, Teo o HCIO, O H2SO3 D Question 30 3 pts What is the concentration of hydroxide ions (OH-Jin a glass of wine with pH -3.642 O 6.8 10-'M 0 23 10 M 0 4.410-4M O 6410-3M Question 31 3 pts Anacid solution with a concentration of 0.500 M has a pH - 321. What is the Ke of the acid 01210 7510*
Question 30 (2.5 points) Which stage of the following reaction scheme for the acid-catalysed hydrolysis of...
Question 30 (2.5 points) Which stage of the following reaction scheme for the acid-catalysed hydrolysis of an ester does not correctly show the flow of electrons? H-OH HOGH HÖ, OH RÇOR ROR a d H o o OR 0 care OR OR a common 0 1) a O2) 3) 0 o 4 d 5) Question 31 (2.5 points) Saved 1) NaCN Predict the product from the following reaction: Be 21H,0" heat
Incorrect Question 4 0/4 pts Which of the following is the Arrhenius definition of an acid?...
Incorrect Question 4 0/4 pts Which of the following is the Arrhenius definition of an acid? A substance that is an H* donor A substance that produces OH ions in aqueous solution. A substance that is an H* acceptor. A substance that is an OH donor. A substance that produces Htions in aqueous solution. Incorrect Question 5 0/4 pts Which of the following is the Arrhenius definition of a base? A substance that is an H* donor. A substance that...
1. The following pictures represent solution at various points in the titration of a weak acid...
1. The following pictures represent solution at various points in the titration of a weak acid with a strong base. HA + OH - HOH + A OH - -OH Which picture to the left corresponds to cach of the following points in the titration? before the addition of any NaOH at the equivalence point where only a salt remains which solution is a buffer? Multiple Choice 1. Barium hydroxide is slightly soluble in water, with a Kap of 5.00...
please help if possible Question 21 (5 points) Which of the following is true for the...
please help if possible
Question 21 (5 points) Which of the following is true for the conjugate base of a strong acid? The conjugate base of a strong acid acts as a weak acid. As the strength of the acid increases, the strength of the conjugate base decreases. The conjugate base of a strong acid is a strong base. As the strength of the acid increases, the strength of the conjugate base also increases. Question 22 (5 points) The Ksp...
Sulfurous acid is unstable in aqueous solution and gradually decomposes to water and sulfur dioxide gas (which explains the choking odor associated with sulfurous acid solutions) H2SO3 (ag)H20()SO2 (g) If 7.20 g of sulfurous acid undergoes this reaction, what mass of sulfur dioxide is released? g SO2
Which of the following is INCORRECT for Brønsted-Lowry acids and bases? Select one: O a. Water reacts with itself to form hydronium and hydroxide, a process called autoprotolysis. O b. NH4 is the conjugate acid of the weak base NH3. c. When an acid and a base react, the acid and base neutralize each other and form a salt. Od. Acids are proton donors. e. CH3CN is a protic solvent.
Which one of the following salts, when dissolved in water, produces the solution with the highest pH? HINT: Remember that BASES have high pH. Mgo CH3NH31 LICIO4 O NaHSO4 Which of the following are weak diprotic acids? hydrocyanic acid - HCN, sulfuric acid - H2SO4, phosphoric acid - H3PO4 carbonic acid - H2CO3, hydrosulfuric acid - H2S, acetic acid - CH3COOH O carbonic acid - H2CO3, oxalic acid - H2C2O4, sulfurous acid - H2SO3 formic acid - HCOOH, acetic acid...
Question 3 (2 points) Which of the following is considered a weak acid when dissolved in water? c) H2SO3 b) HF a) HNO2 A) a only B) c only C) All of them D) b only E) None of them
Dich one of the following is a Brønsted-Lowry base? 1) Which one A) (CH3)2N B) CH3COOH C) HNO2 D) HF E) none of the above 12) A volatile liquid is one that A) is highly flammable B) is highly hydrogen-bonded C) is highly cohesive D) is highly viscous E) readily evaporates 13) Consider the following reaction at equilibrium 2NH3 (8) N2(g) + 3H2 (8) Le Chatelier's principle predicts that the moles of Hy in the reaction container will increase with...
Question 29 3 pts Which is the strongest acid? o HBro, o H, Teo o HCIO, O H2SO3 D Question 30 3 pts What is the concentration of hydroxide ions (OH-Jin a glass of wine with pH -3.642 O 6.8 10-'M 0 23 10 M 0 4.410-4M O 6410-3M Question 31 3 pts Anacid solution with a concentration of 0.500 M has a pH - 321. What is the Ke of the acid 01210 7510*
Question 30 (2.5 points) Which stage of the following reaction scheme for the acid-catalysed hydrolysis of an ester does not correctly show the flow of electrons? H-OH HOGH HÖ, OH RÇOR ROR a d H o o OR 0 care OR OR a common 0 1) a O2) 3) 0 o 4 d 5) Question 31 (2.5 points) Saved 1) NaCN Predict the product from the following reaction: Be 21H,0" heat
Incorrect Question 4 0/4 pts Which of the following is the Arrhenius definition of an acid? A substance that is an H* donor A substance that produces OH ions in aqueous solution. A substance that is an H* acceptor. A substance that is an OH donor. A substance that produces Htions in aqueous solution. Incorrect Question 5 0/4 pts Which of the following is the Arrhenius definition of a base? A substance that is an H* donor. A substance that...
1. The following pictures represent solution at various points in the titration of a weak acid with a strong base. HA + OH - HOH + A OH - -OH Which picture to the left corresponds to cach of the following points in the titration? before the addition of any NaOH at the equivalence point where only a salt remains which solution is a buffer? Multiple Choice 1. Barium hydroxide is slightly soluble in water, with a Kap of 5.00...
please help if possible
Question 21 (5 points) Which of the following is true for the conjugate base of a strong acid? The conjugate base of a strong acid acts as a weak acid. As the strength of the acid increases, the strength of the conjugate base decreases. The conjugate base of a strong acid is a strong base. As the strength of the acid increases, the strength of the conjugate base also increases. Question 22 (5 points) The Ksp...
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