Chemistry
Acid-Base Web Quest
2013-14
Name:_________________________________________MOD:_____Date Due:_________
Partners (if applicable):______________________________________________________
DIRECTIONS: Go to the following link:
http://www.binghamtonschools.org/AcidBaseWebQuest.aspx
Using the resources noted in the boxes, same as below, research the answers to the following
questions and respond appropriately. NOTE which resource you used to determine your
answer. You only need to note the number and you may note more than one site.
1. General Acid-Base
http://www.chemtutor.com/acid.htm
Information
http://www.biology.arizona.edu/biochemistry/problem_sets/ph/ph.html
2. Acid-Base Tutorial &
Problems
http://virtual.yosemite.cc.ca.us/lmaki/Chem142/chap_outlines/chapter12.htm
3. Properties of Acids &
Bases
http://www.purchon.com/chemistry/ph.htm
4. pH Information
http://www.chemguide.co.uk/physical/acidbaseeqia/acids.html
5. Strong vs. Weak
Acids
http://www.chemguide.co.uk/physical/acidbaseeqia/bases.html
6. Strong vs. Weak
Bases
http://web.jjay.cuny.edu/~acarpi/NSC/7-ph.htm
7. More pH Info w/
animations
http://www.johnkyrk.com/pH.html
8. pH Animation
http://chemistry.about.com/od/acidsbases/a/Acid-Base-Indicators.htm
9. Acid Base Indicators#1
http://www.chemguide.co.uk/physical/acidbaseeqia/indicators.html
10. Acid Base
Indicators#2
http://antoine.frostburg.edu/chem/senese/101/acidbase/faq.shtml
11. Searchable Acid Base
FAQ database
Questions 26 - 41 require a specific resource that is noted with the questions. You are able to
access these via the main website above.
1a.) Describe the physical properties, taste, feel, etc, of Acids.
1b.) Describe the physical properties, taste, feel, etc, of Bases.
Site(s) Used:______________
2.) Give 3 examples of acids and 3 examples of bases:
Acids:
1.
2.
3.
Bases:
1.
2.
3.
Site(s) Used:______________
3.) List, at least 4, metals that acids react with to form H2 gas:
Site(s) Used:______________
4.) When acids react with react with compounds containing CO32- what products are
formed?
Site(s) Used:______________
5a.) Acids turn_______ litmus
________________ .
5b.) Bases turn ______litmus _______________ .
Site(s) Used:______________
6.) Bases react with most cations to precipitate _________________________.
Site(s) Used:______________
7.)What is the difference between an electrolyte and a nonelectrolyte
Site(s) Used:______________
8.) How can pH be determined experimentally?
Site(s) Used:______________
9a.) How do you neutralize an acid?
9b.) How do you neutralize a base?
Site(s) Used:______________
10.) Watch the pH animation and describe the role of an acid and of a base in an
acid/base reaction.
11a.) How is a strong acid different from a weak acid?
11b.) How is a strong base different from a weak base?
Site(s) Used:______________
12.) List the six strong acids:
Site(s) Used:______________
13a.) Why do we use a double arrow in ( ) the dissociation equation for a weak acid?
13b.) Why is only one arrow () required for the dissociation of a strong acid?
Site(s) Used:______________
14.) List the 3 scenarios for a substance being classified as a weak acid:
a.) _______________________________________________________________ .
b.)________________________________________________________________ .
c.) _______________________________________________________________ .
Site(s) Used:______________
15a.) Describe strong bases:
15b.) List the strong bases?
Site(s) Used:______________
16.) How many moles of OH ions are produced from the hydroxides of Group II metals
for every mole of base that dissociates? _________________ .
Site(s) Used:______________
17.) Give the general equation for the reaction of a weak base with water:
Site(s) Used:______________
18.) What do scientists use to measure pH?
Site(s) Used:______________
19.) pH is measured on a logarithmic scale. What does this mean?
Site(s) Used:______________
20a. What is the difference between pH and pOH?(equation)
20b. What do the brackets around a chemical mean, like for [H+]?
Site(s) Used:______________
Use this link to answer the following questions:
http://www.wwnorton.com/college/chemistry/gilbert2/tutorials/interface.asp?chapter=chapter_1
6&folder=acid_rain
21.) Rain that has a very low pH is called ____________________________ .
22.) Natural rainwater has a pH of ______________ .
23.) Sulfur dioxide reacts with atmospheric oxygen to form ______________ .
24.) Name the two acids in pollution that make rain acidic:
___________________ and _________________ .
25.) Fish in a lake will die if the pH drops below _____________ .
Use this link to answer the following questions:
http://www.wwnorton.com/college/chemistry/gilbert2/tutorials/interface.asp?chapter=chapter_1
6&folder=strong_titrations
26.) Describe what titration is:
27.) The solution of known concentration is called the _________________________ .
28.) The initial volume is read from the bottom of the _________________________ .
29.) The equivalence point of a titration is when:
30.) The course of the reaction during a titration can be followed by plotting the pH on a
_________________________________ .
31.) The pH of the solution at the equivalence point is determined by
32.) What is an indicator?
33.) What color is methyl red at pH = 8? ______________ .
39.) In acidic solutions ________________________ is colorless.
40.) When base is added, phenolphthalein will remain colorless until the pH = _____ .
41.) At the equivalence point of the titration, the color of the solution will be __________.