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<INDEX>
	<PROBLEM url="assignments/Default.xml">
		<TITLE>Default Lab Setup</TITLE>
		<AUTHOR>Mike Karabinos</AUTHOR>
		<DESCRIPTION>
			Contains the species, reactions, and solutions used by the Default
			Stockroom of the Virtual Lab.
		</DESCRIPTION>
	</PROBLEM>

	<PROBLEM url="assignments/Walkthrough.xml">
		<TITLE>Step by Step Demonstration</TITLE>
		<AUTHOR>Emma Rehm</AUTHOR>
		<DESCRIPTION>
			An introductory walkthrough detailing some of the most commonly 
			used features of the Virtual Lab.
		</DESCRIPTION>
	</PROBLEM>


	<DIRECTORY name="Molarity and Density">

		<PROBLEM url="assignments/molarity/Dilution.xml">
		    <TITLE>Dilution Problem 1</TITLE>
			<AUTHOR>Dave Yaron</AUTHOR>
			<DESCRIPTION>
				Dilution of a glucose solution.
			</DESCRIPTION>
	 	</PROBLEM>

	   <PROBLEM url="assignments/molarity/Dilution2.xml">
			<TITLE>Dilution Problem 2</TITLE>
			<AUTHOR>Mike Karabinos</AUTHOR>
			<DESCRIPTION>
				Preparation of a stock solution from a concentrated acid.
			</DESCRIPTION>
		</PROBLEM>

	   <PROBLEM url="assignments/molarity/Concentration1.xml">
			<TITLE>Sucrose Problem </TITLE>
			<AUTHOR>Jordi Cuadros and Tim Palucka</AUTHOR>
			<DESCRIPTION>
				Molarity, molality, mass percent, mole fraction? Understanding concentrations.
			</DESCRIPTION>
		</PROBLEM>

	   <PROBLEM url="assignments/molarity/Molarsoln.xml">
			<TITLE>Making Solutions from solids</TITLE>
			<AUTHOR>Jordi Cuadros and Mike Karabinos</AUTHOR>
			<DESCRIPTION>
				Making salt solutions at different concentration.
			</DESCRIPTION>
		</PROBLEM>


	   <PROBLEM url="assignments/molarity/Metals.xml">
			<TITLE>Metals Density Problem</TITLE>
			<AUTHOR>Jordi Cuadros and Tim Palucka</AUTHOR>
			<DESCRIPTION>
				Identify metals from their density.
			</DESCRIPTION>
		</PROBLEM>

	   <PROBLEM url="assignments/molarity/LiquidDensity.xml">
			<TITLE>Liquid Density Problem</TITLE>
			<AUTHOR>Jordi Cuadros and Tim Palucka</AUTHOR>
			<DESCRIPTION>
				Identify a liquid from its density.
			</DESCRIPTION>
		</PROBLEM>

	   <PROBLEM url="assignments/molarity/Alcohol.xml">
			<TITLE>Alcohol Density Problem</TITLE>
			<AUTHOR>Jordi Cuadros and Tim Palucka</AUTHOR>
			<DESCRIPTION>
				Determine the concentration from the density of the solution.
			</DESCRIPTION>
		</PROBLEM>

	</DIRECTORY>

	<DIRECTORY name="Stoichiometry and Limiting Reagents">
	  <PROBLEM url="assignments/stoichiometry/Jello.xml">
			<TITLE>Jello Problem</TITLE>
			<AUTHOR>Donovan Lange</AUTHOR>
			<DESCRIPTION>
				In this problem, students mix together solutions
				in an attempt to control their color change.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/stoichiometry/Oracle2.xml">
		    <TITLE>Oracle Problem</TITLE>
			<AUTHOR>Donovan Lange</AUTHOR>
			<DESCRIPTION>
				Limiting reagent problem 
				to determine the stoichiometery of a reaction.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/stoichiometry/Oracle.xml">
		    <TITLE>Oracle Problem 2</TITLE>
			<AUTHOR>Donovan Lange</AUTHOR>
			<DESCRIPTION>
				The limiting reagent problem from above with a 
				more challenging solution.  
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/stoichiometry/Hslimit1.xml">
		    <TITLE>Textbook Style Limiting Reagents Problems</TITLE>
			<AUTHOR>David Yaron and Mike Karabinos</AUTHOR>
			<DESCRIPTION>
				Solving text-book style limiting reagent problems using the virtual lab.  
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/stoichiometry/Hslimit2.xml">
		    <TITLE>Open-ended Text Book Style Limiting Reagent Problem</TITLE>
			<AUTHOR>David Yaron</AUTHOR>
			<DESCRIPTION>
				Design an experiment to answer a limiting reagent style problem.
			</DESCRIPTION>
		</PROBLEM>
 
   	<PROBLEM url="assignments/stoichiometry/Dnabind.xml">
			<TITLE>Predicting DNA concentration</TITLE>
			<AUTHOR>Dave Yaron</AUTHOR>
			<DESCRIPTION>
			    Predict the results of a limiting reagents problem involving strings of DNA.
			</DESCRIPTION>
		</PROBLEM>

	    <PROBLEM url="assignments/quant/DnaDye2.xml">
		    <TITLE>DNA/Dye Problem 2</TITLE>
			<AUTHOR>David Yaron</AUTHOR>
			<DESCRIPTION>
				In this limiting reagent exercise, students develop an 
				experiment to determine the concentration of an unlabeled container.
			</DESCRIPTION>
		</PROBLEM>

	</DIRECTORY>

	<DIRECTORY name="Quantitative Analysis">

	  <PROBLEM url="assignments/quant/Silver.xml">
			<TITLE>Unknown Concentration Problem</TITLE>
			<AUTHOR>Mike Karabinos</AUTHOR>
			<DESCRIPTION>
				Determine the concentration of Silver ion in a Silver Nitrate
				solution.
			</DESCRIPTION>
	  </PROBLEM>

	    <PROBLEM url="assignments/quant/ArsGrav.xml">
		    <TITLE>Gravimetric Determination of Arsenic</TITLE>
			<AUTHOR>Jordi Cuadros</AUTHOR>
			<DESCRIPTION>
				Determine the amount of arsenic present in soil samples.
			</DESCRIPTION>
		</PROBLEM>


	</DIRECTORY>

	<DIRECTORY name="Chemical Equilibrium">
		<PROBLEM url="assignments/equilibrium/Cobalt.xml">
			<TITLE>Cobalt Lab</TITLE>
			<AUTHOR>Bob Belford</AUTHOR>
			<DESCRIPTION>
				An experiment that looks at Cobalt(II) Complexes
				&amp; LeChatlier&apos;s Principle.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/equilibrium/Dnabind.xml">
			<TITLE>DNA Binding Problem</TITLE>
			<AUTHOR>Dave Yaron</AUTHOR>
			<DESCRIPTION>
				Explore equilibrium constants in biochemical systems.
			</DESCRIPTION>
		</PROBLEM>
	</DIRECTORY>

	<DIRECTORY name="Solubility and Solids">

		<PROBLEM url="assignments/solubility/Sol.xml">
			<TITLE>Temperature and the solubility of salts</TITLE>
			<AUTHOR>Rob Belford and David Yaron</AUTHOR>
			<DESCRIPTION>
				Examine the solubilities of salts based on temperature.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/solubility/Sol2.xml">
			<TITLE>Determining the solubility product</TITLE>
			<AUTHOR>Rob Belford and David Yaron</AUTHOR>
			<DESCRIPTION>
				Determine the solubility product constatnt (Ksp) for various solids.
			</DESCRIPTION>
		</PROBLEM>

	  <PROBLEM url="assignments/solubility/CuClSolu.xml">
			<TITLE>Solubility Determination Problem</TITLE>
			<AUTHOR>Dave Yaron</AUTHOR>
			<DESCRIPTION>
				Determine the solubility of CuCl at different temperatures.
			</DESCRIPTION>
	  </PROBLEM>


	</DIRECTORY>

	<DIRECTORY name="Thermochemistry">
		<PROBLEM url="assignments/thermochemistry/Thermo.xml">
			<TITLE>Thermochemistry Problem 1</TITLE>
			<AUTHOR>Dave Yaron</AUTHOR>
			<DESCRIPTION>
			    Observe and then determine the heat of reactions in aqueous solutions.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/thermochemistry/Coffee.xml">
			<TITLE>Coffee</TITLE>
			<AUTHOR>Tim Palucka and David Yaron</AUTHOR>
			<DESCRIPTION>
				Create a solution of Coffee with a desired temerpature.
			</DESCRIPTION>
		</PROBLEM>
		
		<PROBLEM url="assignments/thermochemistry/Heatrxn.xml">
			<TITLE>Heats of Reaction - Hess&apos; Law </TITLE>
			<AUTHOR>Barry Charington</AUTHOR>
			<DESCRIPTION>
				A demonstration of Hess&apos; Law using three reactions, the solubility 
				of NaOH in water and in HCL and the reaction of a solution of HCL and a soluation of NaOH.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/thermochemistry/Freeze.xml">
			<TITLE>Coolant I</TITLE>
			<AUTHOR>Tim Palucka and Jordi Cuadros</AUTHOR>
			<DESCRIPTION>
				Measure and compare the heat capacity of an unknown liquid.
			</DESCRIPTION>
		</PROBLEM>


		<PROBLEM url="assignments/thermochemistry/Freeze2.xml">
                <TITLE>Coolant II</TITLE>
                <AUTHOR>Tim Palucka and David Yaron</AUTHOR>
                <DESCRIPTION>
                        Measure and compare the heat capacity of an unknown liquid
                        with an unknown density.
                </DESCRIPTION>
        </PROBLEM>


        <PROBLEM url="assignments/thermochemistry/ThermoQ1.xml">
                <TITLE>Camping 1</TITLE>
                <AUTHOR>Tim Palucka and David Yaron</AUTHOR>
                <DESCRIPTION>
                        Measure the enthalpy of a reaction.
                </DESCRIPTION>
        </PROBLEM>


        <PROBLEM url="assignments/thermochemistry/ThermoQ2.xml">
                <TITLE>Camping 2</TITLE>
                <AUTHOR>Tim Palucka and David Yaron</AUTHOR>
                <DESCRIPTION>
                        Determine change in the enthalpy of a reaction as the 
			concentration of reactants are varied
                </DESCRIPTION>
        </PROBLEM>

        <PROBLEM url="assignments/thermochemistry/ThermoQ3.xml">
                <TITLE>Camping 3</TITLE>
                <AUTHOR>David Yaron and Jordi Cuadros</AUTHOR>
                <DESCRIPTION>
			Create solutions that when mixed, increase to a certain temperature.
                </DESCRIPTION>
        </PROBLEM>
        <PROBLEM url="assignments/thermochemistry/Atp.xml">
                <TITLE>ATP Reaction (Thermochemistry and Bonding)</TITLE>
                <AUTHOR>David Yaron and Jordi Cuadros</AUTHOR>
                <DESCRIPTION>
                        Determine the enthalpy of the ATP reaction.
                </DESCRIPTION>
        </PROBLEM>
		
        <PROBLEM url="assignments/thermochemistry/Solar.xml">
                <TITLE>Solar Activity</TITLE>
                <AUTHOR>David Yaron and Jodi Davenport</AUTHOR>
                <DESCRIPTION>
                        Determine the heat capacity of potential solar materials using the bunsen burner.
                </DESCRIPTION>
        </PROBLEM>




	</DIRECTORY>

	<DIRECTORY name="Acids and Bases">
		<PROBLEM url="assignments/acidbase/StrongAcid.xml">
			<TITLE>Strong Acid Problems</TITLE>
			<AUTHOR>Rea Freeland</AUTHOR>
			<DESCRIPTION>
				Text book style strong acid and base problems that
				can be checked using the virtual lab.
			</DESCRIPTION>
		</PROBLEM>

   	<PROBLEM url="assignments/acidbase/WeakAcid.xml">
			<TITLE>Weak Acid Problems</TITLE>
			<AUTHOR>Rea Freeland</AUTHOR>
			<DESCRIPTION>
				Text book style weak acid and base problems that
				can be checked using the virtual lab.

			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/acidbase/Dilut.xml">
			<TITLE>Method of Successive Dilutions </TITLE>
			<AUTHOR>Bob Belford</AUTHOR>
			<DESCRIPTION>
				Exploring the pH Scale by the method of successive dilutions.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/acidbase/PrelabAcid.xml">
			<TITLE>Prelab Exercises:  Acid Base Titration</TITLE>
			<AUTHOR>Sophia Nussbaum </AUTHOR>
			<DESCRIPTION>
				A collection of questions and exercises to 
				complete before performing an acid/base titration.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/acidbase/Titration.xml">
		    <TITLE>Standardization of NaOH</TITLE>
	    	<AUTHOR>Dave Yaron</AUTHOR>
		    <DESCRIPTION>
				In this prelab exercise, students standardize a solution of NaOH
				using KHP.  
		    </DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/acidbase/Unknownacid.xml">
			<TITLE>Unknown Acid and Base Problem</TITLE>
			<AUTHOR>Dave Yaron</AUTHOR>
			<DESCRIPTION>
				In this exercise, students graph the titration curve of an unknown acid
				and base to determine their pKa&apos;s and concentrations.
			</DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/acidbase/Buffer.xml">
		  <TITLE>pKa and Weak Acid Problem</TITLE>
	   	<AUTHOR>Dave Yaron</AUTHOR>
			<DESCRIPTION>
				Determine the pKa and concentration ratio of a protein in 
				solution.
		  </DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/acidbase/MkBuffer.xml">
			<TITLE>Buffer Creation Problem</TITLE>
	 		<AUTHOR>Sophia Nussbaum </AUTHOR>
			<DESCRIPTION>
				An exercise to design a buffer solution with specific properties.				
		  </DESCRIPTION>
		</PROBLEM>

		<PROBLEM url="assignments/acidbase/Dnadye.xml">
			<TITLE>DNA/Dye Problem</TITLE>
			<AUTHOR>Dave Yaron</AUTHOR>
			<DESCRIPTION>
				Students examine equilibrium and buffer solutions in 
				a biological setting.
			</DESCRIPTION>
		</PROBLEM>
	</DIRECTORY>

	<DIRECTORY name="Redox">
		
		<PROBLEM url="assignments/redox/Redox.xml">
			<TITLE>Redox Reaction Series</TITLE>
			<AUTHOR>Barry Charington</AUTHOR>
			<DESCRIPTION>
				Students prepare an oxidation reduction reaction series from experimental 
				data collected in virtual lab.
			</DESCRIPTION>
		</PROBLEM>
		
	</DIRECTORY>
</INDEX>
