What’s in Your Water?What’s in Your Water?

The Nature of Aqueous SolutionsThe Nature of Aqueous Solutions

What Can We Learn from What Can We Learn from Heating Zinc Nitrate?Heating Zinc Nitrate?

Polyatomic IonsPolyatomic Ions

Taking a Deeper Look at the Taking a Deeper Look at the Diaper-a-Day ActivityDiaper-a-Day Activity

Why did the ionic compounds break down Why did the ionic compounds break down the gel?the gel?

Why Why didn’tdidn’t the covalent compounds break the covalent compounds break down the gel?down the gel?

What do these animations indicate?What do these animations indicate?

Comparing and ContrastingComparing and ContrastingGases and SolutionsGases and Solutions

What is similar about a gas and a solution?What is similar about a gas and a solution?

What is different about a gas and a solution?What is different about a gas and a solution?

Energy and the Dissolving Energy and the Dissolving ProcessProcess

Based on the dissolving equations alone,Based on the dissolving equations alone,

what might you predict about the energywhat might you predict about the energy

involved in dissolving LiCl, NaCl, KCl,involved in dissolving LiCl, NaCl, KCl,

and NHand NH44Cl in water?Cl in water?

If the dissolving equations don’t explain theIf the dissolving equations don’t explain the

actual results from our activity, then whatactual results from our activity, then what else might help us explain them?else might help us explain them?

Enthalpy of Hydration Enthalpy of Hydration ValuesValues

Lattice Energy ValuesLattice Energy Values

Why is Why is there there

no no value value

for for NHNH44Cl?Cl?

What Can We Learn from What Can We Learn from Electrolyzing Zinc Nitrate?Electrolyzing Zinc Nitrate?

How Much Artificial How Much Artificial Sweetener Should We Use?Sweetener Should We Use?

Preparing a 1 M Solution

How much copper sulfate How much copper sulfate pentahydratepentahydrate

would be needed to make would be needed to make 100.0 mL100.0 mL ofof

a a 0.500 M 0.500 M solution?solution?

Calculating the Mass of Solute

Accounting for an Accounting for an AnomalyAnomaly

Calcium carbonate (from TUMS) Calcium carbonate (from TUMS) did notdid not break break

down the gel in our Diaper-a-Day activitydown the gel in our Diaper-a-Day activity

and yet it fits the bill of an ionic comound.and yet it fits the bill of an ionic comound.

What might explain this anomaly?What might explain this anomaly?

Solubility Product Solubility Product ConstantsConstants