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Acid-Base Solutions
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How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH. Can a weak acid solution have the same pH as a strong acid solution?

Subject:
Chemistry
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Chris Malley
Kathy Perkins
Kelly Lancaster
Patricia Loeblein
Robert Parson
Date Added:
09/01/2010
Arabic Verbs
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This appendix describes the system of deriving Arabic verbs. Several examples are provided for verbs that belong to verb Forms I - X. In addition, examples of Forms XI-XV verbs, which are very rare forms in Modern Standard Arabic, are also provided. The appendix also demonstrates exceptions to the general rule, and describes the rules for weak, hamzated, doubled, and quadriliteral verbs.

Subject:
Arts and Humanities
Languages
Material Type:
Reading
Date Added:
10/14/2013