Acid-Base Webquest

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Name:________________________________ Date: ________________ Pd ________
Acid-Base Webquest
Resources
General Acid-Base
Information
Acid-Base Tutorial &
Problems
Properties of Acids &
Bases
pH Information
Strong vs. Weak Acids
Strong vs. Weak
Bases
More pH Info w/
animations
pH Animation
Acid Base Indicators#1
Acid Base
Indicators#2
Searchable Acid Base
FAQ database
http://www.chemtutor.com/acid.htm
http://www.biology.arizona.edu/biochemistry/problem_sets/ph/ph.html
http://virtual.yosemite.cc.ca.us/lmaki/Chem142/chap_outlines/chapter12.htm
http://www.purchon.com/chemistry/ph.htm
http://www.chemguide.co.uk/physical/acidbaseeqia/acids.html
http://www.chemguide.co.uk/physical/acidbaseeqia/bases.html
http://web.jjay.cuny.edu/~acarpi/NSC/7-ph.htm
http://www.johnkyrk.com/pH.html
http://chemistry.about.com/od/acidsbases/a/Acid-Base-Indicators.htm
http://www.chemguide.co.uk/physical/acidbaseeqia/indicators.html
http://antoine.frostburg.edu/chem/senese/101/acidbase/faq.shtml
Name:________________________________ Date: ________________ Pd ________
1.) Describe the physical properties, taste, feel, etc, of Acids. And of Bases.
Acids:
_________________________________________________________________________________________
Bases:
____________________________________________________________________________________
2.) Give 3 examples of acids and 3 examples of bases from the pH Scale on this document:
Acids:
1.
2.
3.
Bases:
1.
2.
3.
3.) List the metals that acids react with to form H2 gas:___________________________________
4.) When acids react with react with compounds containing CO32- what products are
formed?________________________________________________
5.) Acids turn litmus ________________ .
6.) Bases turn litmus _______________ .
7.) Bases react with most cations to precipitate _________________________.
8.) What is the difference between an electrolyte and a nonelectrolyte? __________
________________________________________________________________
9.) How can pH be determined experimentally? ________________________________________ .
10.) How do you neutralize an acid? _______________________________________
A base? _________________________________________________________
Name:________________________________ Date: ________________ Pd ________
11.) Watch the pH animation and describe the role of an acid and of a base in an acid/base reaction.
12.) How is a strong acid different from a weak acid?
13.) How is a strong base different from a weak base?
14.) List the six strong acids: ___________________________________________________________ .
15.) Why do we use a double arrow in( ↔ ) the dissociation equation for a weak acid?
_________________________________________________________________________________ .
16.) Why is only one arrow ( → ) required for the dissociation of a strong acid?
_____________________________________________________________________ .
17.) List the 3 scenarios for a substance being classified as a weak acid:
a.) _______________________________________________________________ .
b.)________________________________________________________________ .
c.) _______________________________________________________________ .
18.) Describe strong bases: ______________________________________________ .
19.) Which are the strong bases?__________________________________________________ .
20.) How many moles of OH ions are produced from the hydroxides of Group II metals for every mole
of base that dissociates? _________________ .
21.) Give the general equation for the reaction of a weak base with water:
22.) What do scientists use to measure pH? ________________________________
23.) pH is measured on a logarithmic scale. What does this mean?
________________________________________________________________
________________________________________________________________
Name:________________________________ Date: ________________ Pd ________
24a. What is the difference between pH and pOH?
(equation)
25b. What do the brackets around a chemical mean, like for [H+]?
____________________________________________________________________
Use this link to answer the following questions: Search through the tabs on the left side of the
Webpage.
http://www.epa.gov/acidrain/what/
26.) Rain that has a very low pH is called ____________________________ .
27.) Natural rainwater has a pH of ______________ .
28.) Sulfur dioxide reacts with atmospheric oxygen to form ______________ .
29.) Name the two acids in pollution that make rain acidic: _____________________ .
30.) Fish in a lake will die if the pH drops below _____________ .
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