Microsoft Word - Acids and Bases (V1).docx Name: Date: Period: Acids and Bases (Assignment for May 6 and 7, 2021) Part 1: Comprehension Questions 1. How did the Arrhenius definition fail to explain...

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Microsoft Word - Acids and Bases (V1).docx Name: Date: Period: Acids and Bases (Assignment for May 6 and 7, 2021) Part 1: Comprehension Questions 1. How did the Arrhenius definition fail to explain the behavior of bases? 2. Compare and contrast the Arrhenius, Brønsted-Lowry, and Lewis definitions of acids and bases. How are they similar? How do they differ? Part 2: Brønsted-Lowry Acids and Bases Label the Brønsted-Lowry acids and bases in each reaction. Draw an arrow to show the direction of proton (H+) transfer. Example: ?!? +??" ⟷??" + ??? 1. ?!??# + ??" ⟷???#" + ?!? 2. ???#" + ?!? ⟷ ??#" + ?$?% 3. ??$ + ?!? ⟷ ??#% + ??" 4. ?!? + ?!? ⟷ ?$?% + ??" Acid Base Base Acid Name: Date: Period: Label the pH scale as acidic, neutral, or basic: Part 3: Use the pH scale to identify if these substances are acidic, basic, or neutral (circle only one): a. Lemon Juice (pH = 2) (acidic, basic, or neutral) b. Seawater (pH = 6) (acidic, basic, or neutral) c. Bleach (pH = 13) (acidic, basic, or neutral) d. Milk (pH = 6.5) (acidic, basic, or neutral) e. Ammonia (pH = 11) (acidic, basic, or neutral) f. Hydrochloric Acid (pH = 0) (acidic, basic, or neutral) g. Vinegar (pH = 2.7) (acidic, basic, or neutral) h. Black Coffee (pH = 5) (acidic, basic, or neutral) i. Orange Juice (pH = 3) (acidic, basic, or neutral) j. Water (pH = 7) (acidic, basic, or neutral) k. Drain Cleaner (pH = 14) (acidic, basic, or neutral) Part 4: Label the pH scale on top with each of the substances in Part 3. Order those substances by their acidity on the pH scale. Start with the most acidic on the left and end with the most basic. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 __________ __________ __________
Answered Same DayJun 03, 2021

Answer To: Microsoft Word - Acids and Bases (V1).docx Name: Date: Period: Acids and Bases (Assignment for May 6...

Sumita Mitra answered on Jun 04 2021
140 Votes
Acids and Bases
(Assignment for May 6 and 7, 2021)
Part 1: Comprehension Questions
1. How did the
Arrhenius definition fail to explain the behavior of bases?
Ans: This theory is applicable only in case of aqueous solution and not in terms of substance themselves. This theory is limited to bases which has formula of BOH in bases and hence can only tell about bases like NaOH, KOH, NH4OH etc. This definition fails to explain the bases which do not have the formula of BOH in them and hence it is a limitation.

2. Compare and contrast the Arrhenius, Bronsted-Lowry, and Lewis definitions of acids and bases. How are they similar? How do they differ?
Ans: As per Arrhenius an acid is a substance which increase the concentration of hydrogen ion in an aqueous solution and a base is a substance which increases the concentration of hydroxide ion in the aqueous solution.
As per Bronsted-Lowry acids are...
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