Homework Answers
A)Only HCl is Bronsted-Lowrey acid as it can donate proton (H+ ion ) during chemical reaction
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Which of the following statements is true about the compounds BH3, BF3, NH3, and HCI? Select...
Acids and bases: definitions ut of Consider the following reactions: (a) Ca(OH)2 + 2 HCI -...
Acids and bases: definitions ut of Consider the following reactions: (a) Ca(OH)2 + 2 HCI - CaCl + 2 H2O (b) CaH2 + 2 H2O + Ca(OH)2 + 2 H2 (c) BF3 + F - BF4 Match with the definitions that apply for the substances indicated. Note: In a given reaction, the same definition must apply for both the acid and base for it to hold true, Ca(OH)2 in reaction (a) Arrhenius, Bransted-Lowry, and Lewis base HCI Arrhenius, Bransted-Lowry, and...
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.
Acids and bases: definitions Consider the following reactions: (a) 2 NH3 + Ag* [Ag(NH3)2] (b) NH4...
Acids and bases: definitions Consider the following reactions: (a) 2 NH3 + Ag* [Ag(NH3)2] (b) NH4 CO32- -NH3 + HCO3 (c) 2 HBr+ Ca(OH)2 CaBr2 + 2 H20 Match with the definitions that apply for the substances indicated. Note: In a given reaction, the same definition must apply for both the acid and base for it to hold true. NH3 in reaction (a) Brønsted-Lowry and Lewis base Agt Brønsted-Lowry and Lewis acid NH4+ Arrhenius, Brønsted-Lowry, and Lewis acid Соз2- Arrhenius,...
6. There are two major theories of acids and bases in aqueous solutions: Arrhenius and Bronsted....
6. There are two major theories of acids and bases in aqueous solutions: Arrhenius and Bronsted. a) In your own words, briefly explain the main difference between the two theories of acids and bases b) Which theory do you think is the most useful in chemistry? Explain your choice. c) Which of the following is an Arrhenius acid? A) H2SO4: B) LiOH; C) NH2CH3; D) CH3CH3; E) More than one of these is an Arrhenius acid. d) Which of the...
Write equations for the reaction of each of the following Brønsted-Lowry acids and bases. Identify the...
Write equations for the reaction of each of the following Brønsted-Lowry acids and bases. Identify the conjugated acids and bases. a. Acid: H20; base: NH3 b. Acid: NH4+, base: OH- c. Acid: HSO4; base: H2O d. Acid: HCl; base: H2PO4 6.4
Which of the following statements is true about the bisulfate anion HSO4-? Select one: 0 a....
Which of the following statements is true about the bisulfate anion HSO4-? Select one: 0 a. It can behave as either an acid or a base O b. It can only behave as an acid. O c. It can only behave as a base. d. It does not react with water. o e. It is a salt. So, it is neither an acid nor a base.
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is ca...
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
For the following list of chemical species, which statement is correct regarding the Lewis acids and...
For the following list of chemical species, which statement is correct regarding the Lewis acids and Lewis bases present? H2S, Mg2+, cr, BF3 , BH3 , OH", NH3, NF3, PO43-, H2, Cu2+, Co3+ Pb2+, CH4, Cut, Li, Ba, He, F O A. answer not listed 7 Lewis Acids (Mg2+, BF3 , CH4, BH3 , Cu2+, Co 3+, Pb2+ ) and OB. 7 Lewis Bases (H2S, cr, OH", NH3, NF3, Cut, Li) 5 Lewis Acids (Mg2+, BH3 , Cu2+, CO3+, Pb2+)...
11) Circle the compounds shown below that are classifed as Arrhenius acids, and underline the compounds...
11) Circle the compounds shown below that are classifed as Arrhenius acids, and underline the compounds shown below that are classified as Arrhenius bases. Do nothing to molecules that are neither acids or bases: (4) NaOH Pb(OH). LIH Pb(CO (NH, CO, H.PO HCIO, KCIO, 12) (6) Consider the acid/base reaction shown below. CO, (aq) + H,SO. HCO, sau + HSO4 (aa) b) Which of these reactants / products is identified as the acid? Which of these reactants /products is identified...
Which of the following statements is NOT true? Select all that apply. Group of answer choices...
Which of the following statements is NOT true? Select all that apply. Group of answer choices a. The concentration of H+ can be determined from the concentration of OH- and the Kw. b. An acid and its conjugate base differ only by one hydroxide ion c. An acid with a Ka > 1 is considered a weak acid d. The conjugate base of a strong acid will be a strong base e. Strong acids are expected to completely ionize in...
Acids and bases: definitions ut of Consider the following reactions: (a) Ca(OH)2 + 2 HCI - CaCl + 2 H2O (b) CaH2 + 2 H2O + Ca(OH)2 + 2 H2 (c) BF3 + F - BF4 Match with the definitions that apply for the substances indicated. Note: In a given reaction, the same definition must apply for both the acid and base for it to hold true, Ca(OH)2 in reaction (a) Arrhenius, Bransted-Lowry, and Lewis base HCI Arrhenius, Bransted-Lowry, and...
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.
Acids and bases: definitions Consider the following reactions: (a) 2 NH3 + Ag* [Ag(NH3)2] (b) NH4 CO32- -NH3 + HCO3 (c) 2 HBr+ Ca(OH)2 CaBr2 + 2 H20 Match with the definitions that apply for the substances indicated. Note: In a given reaction, the same definition must apply for both the acid and base for it to hold true. NH3 in reaction (a) Brønsted-Lowry and Lewis base Agt Brønsted-Lowry and Lewis acid NH4+ Arrhenius, Brønsted-Lowry, and Lewis acid Соз2- Arrhenius,...
6. There are two major theories of acids and bases in aqueous solutions: Arrhenius and Bronsted. a) In your own words, briefly explain the main difference between the two theories of acids and bases b) Which theory do you think is the most useful in chemistry? Explain your choice. c) Which of the following is an Arrhenius acid? A) H2SO4: B) LiOH; C) NH2CH3; D) CH3CH3; E) More than one of these is an Arrhenius acid. d) Which of the...
Write equations for the reaction of each of the following Brønsted-Lowry acids and bases. Identify the conjugated acids and bases. a. Acid: H20; base: NH3 b. Acid: NH4+, base: OH- c. Acid: HSO4; base: H2O d. Acid: HCl; base: H2PO4 6.4
Which of the following statements is true about the bisulfate anion HSO4-? Select one: 0 a. It can behave as either an acid or a base O b. It can only behave as an acid. O c. It can only behave as a base. d. It does not react with water. o e. It is a salt. So, it is neither an acid nor a base.
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
For the following list of chemical species, which statement is correct regarding the Lewis acids and Lewis bases present? H2S, Mg2+, cr, BF3 , BH3 , OH", NH3, NF3, PO43-, H2, Cu2+, Co3+ Pb2+, CH4, Cut, Li, Ba, He, F O A. answer not listed 7 Lewis Acids (Mg2+, BF3 , CH4, BH3 , Cu2+, Co 3+, Pb2+ ) and OB. 7 Lewis Bases (H2S, cr, OH", NH3, NF3, Cut, Li) 5 Lewis Acids (Mg2+, BH3 , Cu2+, CO3+, Pb2+)...
11) Circle the compounds shown below that are classifed as Arrhenius acids, and underline the compounds shown below that are classified as Arrhenius bases. Do nothing to molecules that are neither acids or bases: (4) NaOH Pb(OH). LIH Pb(CO (NH, CO, H.PO HCIO, KCIO, 12) (6) Consider the acid/base reaction shown below. CO, (aq) + H,SO. HCO, sau + HSO4 (aa) b) Which of these reactants / products is identified as the acid? Which of these reactants /products is identified...
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