MEDIUM: pH, Acids, and Bases Acide and bases play an important role in our lives. Numerous biological processes, Industrial applications, and even environmental problems are a function of the acidity or basicity (alalinity) of aqueous soluions. is therefore important to understand what nakes a substance behave as an acid or a base when dissolved in water. Model 1: Arrhenius Acids and Bases Tums oH Conduces electkity? Chemical Fomula Pound in Ackd or Base Comhon N Toste Acetic acid HCH,0, Vinegar Sour Red Yes Acid Benzolc acid HCHO, Food preservative Sour Red Yes Acid Phosphoric acid Hydrochlorie acid HPO, Soda Sour Red Yes Acid HC Stomach acid Sour Red Yes Acid Citric acid H,GH0, Citrus fruits Sour Red Yes Acid Ascorbic acid HGHO, Vitamin C Sour Red Yes Acid Biter Dlue Yes Magnesium hydroxide MalOH), Mik of magnesia Bitter Blue Yes Base Aluminum mydroxide A(OH), Antacids Barlum hydroxide Ba(OH), Lubricants POISON Blue Yes Base Blue Yes Base Sodum hydroxide NaOH Drain cleaner POISON Free Response DIRECTIONS Answer the following question(s) in at least ONE (1) complete sentence. 1. Examine the chemical formulas of the Anhenius acids in Model 1. Liet ONE (1) foature that each of the acid formulas have in common. 2. Examine the chemical formulas of the Anhenius bases in Model 1. List ONE (1) feature that each of the base formulas have in common. ultiple Choice RECTIONS: Choose the best answer. 3. Based on Model 1, which of the following is NOT a property that all Arrenhlus acids share? C. Tastes sour d. Conducts electricity Tums pH strips red 1. Tastes biter
MEDIUM: pH, Acids, and Bases Acide and bases play an important role in our lives. Numerous biological processes, Industrial applications, and even environmental problems are a function of the acidity or basicity (alalinity) of aqueous soluions. is therefore important to understand what nakes a substance behave as an acid or a base when dissolved in water. Model 1: Arrhenius Acids and Bases Tums oH Conduces electkity? Chemical Fomula Pound in Ackd or Base Comhon N Toste Acetic acid HCH,0, Vinegar Sour Red Yes Acid Benzolc acid HCHO, Food preservative Sour Red Yes Acid Phosphoric acid Hydrochlorie acid HPO, Soda Sour Red Yes Acid HC Stomach acid Sour Red Yes Acid Citric acid H,GH0, Citrus fruits Sour Red Yes Acid Ascorbic acid HGHO, Vitamin C Sour Red Yes Acid Biter Dlue Yes Magnesium hydroxide MalOH), Mik of magnesia Bitter Blue Yes Base Aluminum mydroxide A(OH), Antacids Barlum hydroxide Ba(OH), Lubricants POISON Blue Yes Base Blue Yes Base Sodum hydroxide NaOH Drain cleaner POISON Free Response DIRECTIONS Answer the following question(s) in at least ONE (1) complete sentence. 1. Examine the chemical formulas of the Anhenius acids in Model 1. Liet ONE (1) foature that each of the acid formulas have in common. 2. Examine the chemical formulas of the Anhenius bases in Model 1. List ONE (1) feature that each of the base formulas have in common. ultiple Choice RECTIONS: Choose the best answer. 3. Based on Model 1, which of the following is NOT a property that all Arrenhlus acids share? C. Tastes sour d. Conducts electricity Tums pH strips red 1. Tastes biter
MEDIUM: pH, Acids, and Bases Acide and bases play an important role in our lives. Numerous biological processes, Industrial applications, and even environmental problems are a function of the acidity or basicity (alalinity) of aqueous soluions. is therefore important to understand what nakes a substance behave as an acid or a base when dissolved in water. Model 1: Arrhenius Acids and Bases Tums oH Conduces electkity? Chemical Fomula Pound in Ackd or Base Comhon N Toste Acetic acid HCH,0, Vinegar Sour Red Yes Acid Benzolc acid HCHO, Food preservative Sour Red Yes Acid Phosphoric acid Hydrochlorie acid HPO, Soda Sour Red Yes Acid HC Stomach acid Sour Red Yes Acid Citric acid H,GH0, Citrus fruits Sour Red Yes Acid Ascorbic acid HGHO, Vitamin C Sour Red Yes Acid Biter Dlue Yes Magnesium hydroxide MalOH), Mik of magnesia Bitter Blue Yes Base Aluminum mydroxide A(OH), Antacids Barlum hydroxide Ba(OH), Lubricants POISON Blue Yes Base Blue Yes Base Sodum hydroxide NaOH Drain cleaner POISON Free Response DIRECTIONS Answer the following question(s) in at least ONE (1) complete sentence. 1. Examine the chemical formulas of the Anhenius acids in Model 1. Liet ONE (1) foature that each of the acid formulas have in common. 2. Examine the chemical formulas of the Anhenius bases in Model 1. List ONE (1) feature that each of the base formulas have in common. ultiple Choice RECTIONS: Choose the best answer. 3. Based on Model 1, which of the following is NOT a property that all Arrenhlus acids share? C. Tastes sour d. Conducts electricity Tums pH strips red 1. Tastes biter
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Transcribed Image Text:DO NOT WPITE ON THIS QUIZ! RECORD YOUR ANSHERS
ON 1OUR ANSHER SHEET.
MEDIUM: pH, Acids, and Bases
Acida and bases play an important role in our lives. Numerous biological processes, Industrial applications.
and even environmental problems are a function of the acidity or basicity (alalivity) of aqueous solutions.
is therefore important to understand what makes a substance behave as an acid or a base when dissolved
in water.
4. Based on the paterns in Model 1, is magneslum hydroxide, Mo(OH), an Arrhens acid or an
Arrhenius base?
a Anhenius acid
b. Anhenius base
In 1903, Svante Arhenius won the Nobel Prize in Chemietry for defning acids and bases in lerma of the
lons produced. An Arrhenius acid is any substance that produces hydrogen lons, H, (or hydronium lons,
H,O, a hydrogen lon attached to a water molecule) when dissolved in wator. An Arnhenius base is any
substance that produces hydroxide lons, OH, when dissolved in water, While the Arhenius definitions of
acids and bases is useful, it is imited. Johannes Bronsted and Thomas Lowry developed more general
definitions for acids and bases using H lon transfer as the focus.
Model 1: Arrhenius Acids and Bases
Chemical
Fomul
Pound in
Conmon Nam
Teste
Tums o Conduces
elactrkny?
Acid or
Base
Acetic acid
HCH,0,
Vinegar
Sour
Red
Yes
Acid
Model 2: Bronsted-Lowry Acids and Bases
Benzoic acid
HCHO,
Food preservaive
Sour
Red
Yes
Acid
Phosphoric acid
HPO,
Soda
Sour
Red
1.
HCI
H,O
(base)
Yes
Acid
* H,O
• Ch
(acid)
Hydrochlorie acid
HCI
Stomach acid
Sour
Red
Yes
Acid
Citric acid
H,GH,O,
NH, +
HF
NH,
Citrus fruits
Sour
Red
Yes
(base)
(acid)
Acid
Ascorbic acid
HCHO,
Vitamin C
Sour
Red
Yes
Acid
NH, .
• H,0
H,O
(base)
NH,
(acid)
Magnesum
hydroxide
Mik of magnesia
MalOH),
Bitter
Blue
Yes
4
• HPO, t
(acid)
HPO H
(base)
Multiple Choice
Aluminum
Al(OH),
Antacids
Bitter
Blue
Yes
Base
hydroxide
Barium hydroxide
Sodum
DIRECTIONS: Choose the best answer.
Ba(OH),
Lubricants
POISON
Blue
Yes
Base
5. Which of the following is identified as a Bronsted-Lowry acid?
a. HO
d. F
e. HF
d. NH,
6. Atoms of which of the following element are present in ALL of the Bronsted-Lowry acids in Model 27
a. Hydrogen (H)
h. Nitrogen (N)
L Phosphorus (P)
Oxygen (0)
NaOH
Drain cleaner
POISON
Blue
Yes
Base
hydroxide
Free Response
DIRECTIONS: Answer the following question(a) in at least ONE (1) complete sentence.
1. Examine the chemical formulas of the Arhenius acids in Model 1. List ONE (1) foature that each of
the acid formulas have in common.
2. Examine the chemical formulas of the Ahenius bases in Model 1. List ONE (1) feature that each of
the base formulas have in common.
Fill in the Blank
Bultiple Choice
RECTIONS: Choose the best answer.
DIRECTIONS: Complete the statements below by choosing between the two options in parentheses
For each acid-base reaction in Model 2, the 7.(acid / base) gives up a hydrogen lon and pasos to the
8.(acid / base). Conversely, the 9.(acid / base) takes the hydrogen ion from the 10.(acid / base).
3. Based on Model 1, which of the following is NOT a property that all Arrenhlus acids share?
C. Tastes sour
d. Conducts electricity
e Turns pH strips red
1. Tastes bitter
Transcribed Image Text:DO NOT WPITE ON THIS QUIZ! RECORD YOUR ANSHERS
ON 1OUR ANSHER SHEET.
MEDIUM: pH, Acids, and Bases
Acida and bases play an important role in our lives. Numerous biological processes, Industrial applications.
and even environmental problems are a function of the acidity or basicity (alalivity) of aqueous solutions.
is therefore important to understand what makes a substance behave as an acid or a base when dissolved
in water.
4. Based on the paterns in Model 1, is magneslum hydroxide, Mo(OH), an Arrhens acid or an
Arrhenius base?
a Anhenius acid
b. Anhenius base
In 1903, Svante Arhenius won the Nobel Prize in Chemietry for defning acids and bases in lerma of the
lons produced. An Arrhenius acid is any substance that produces hydrogen lons, H, (or hydronium lons,
H,O, a hydrogen lon attached to a water molecule) when dissolved in wator. An Arnhenius base is any
substance that produces hydroxide lons, OH, when dissolved in water, While the Arhenius definitions of
acids and bases is useful, it is imited. Johannes Bronsted and Thomas Lowry developed more general
definitions for acids and bases using H lon transfer as the focus.
Model 1: Arrhenius Acids and Bases
Chemical
Fomul
Pound in
Conmon Nam
Teste
Tums o Conduces
elactrkny?
Acid or
Base
Acetic acid
HCH,0,
Vinegar
Sour
Red
Yes
Acid
Model 2: Bronsted-Lowry Acids and Bases
Benzoic acid
HCHO,
Food preservaive
Sour
Red
Yes
Acid
Phosphoric acid
HPO,
Soda
Sour
Red
1.
HCI
H,O
(base)
Yes
Acid
* H,O
• Ch
(acid)
Hydrochlorie acid
HCI
Stomach acid
Sour
Red
Yes
Acid
Citric acid
H,GH,O,
NH, +
HF
NH,
Citrus fruits
Sour
Red
Yes
(base)
(acid)
Acid
Ascorbic acid
HCHO,
Vitamin C
Sour
Red
Yes
Acid
NH, .
• H,0
H,O
(base)
NH,
(acid)
Magnesum
hydroxide
Mik of magnesia
MalOH),
Bitter
Blue
Yes
4
• HPO, t
(acid)
HPO H
(base)
Multiple Choice
Aluminum
Al(OH),
Antacids
Bitter
Blue
Yes
Base
hydroxide
Barium hydroxide
Sodum
DIRECTIONS: Choose the best answer.
Ba(OH),
Lubricants
POISON
Blue
Yes
Base
5. Which of the following is identified as a Bronsted-Lowry acid?
a. HO
d. F
e. HF
d. NH,
6. Atoms of which of the following element are present in ALL of the Bronsted-Lowry acids in Model 27
a. Hydrogen (H)
h. Nitrogen (N)
L Phosphorus (P)
Oxygen (0)
NaOH
Drain cleaner
POISON
Blue
Yes
Base
hydroxide
Free Response
DIRECTIONS: Answer the following question(a) in at least ONE (1) complete sentence.
1. Examine the chemical formulas of the Arhenius acids in Model 1. List ONE (1) foature that each of
the acid formulas have in common.
2. Examine the chemical formulas of the Ahenius bases in Model 1. List ONE (1) feature that each of
the base formulas have in common.
Fill in the Blank
Bultiple Choice
RECTIONS: Choose the best answer.
DIRECTIONS: Complete the statements below by choosing between the two options in parentheses
For each acid-base reaction in Model 2, the 7.(acid / base) gives up a hydrogen lon and pasos to the
8.(acid / base). Conversely, the 9.(acid / base) takes the hydrogen ion from the 10.(acid / base).
3. Based on Model 1, which of the following is NOT a property that all Arrenhlus acids share?
C. Tastes sour
d. Conducts electricity
e Turns pH strips red
1. Tastes bitter
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