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Index Results
(8 Results)

AP7217 - $33.65
What is equilibrium? What happens to the amounts of reactants and products when equilibrium is reached? What if more reactants or products are then added? Well, seeing is believing! In this cooperative classroom activity, student use plastic nickels...
AP7043 - $53.30
In this set of three demonstrations, students will observe a series of dramatic changes when common ions are added to solutions at equilibrium. The results illustrate the nature of equilibrium and LeCh,telier's principle. • Adding strong and weak acid...
AP8471 - $30.05
Demonstrate the power of balance in a reversible chemical reaction with this updated version of a classic demonstration! A solution of cobalt chloride turns from pink to blue and back again in a series of transformations as the concentrations of reactants...
AP5938 - $20.45
Challenge students to explain the phenomenon observed in this amazingly simple but intriguing demonstration. Pour some violet colored solution into three different test tubes. Place one tube in cold water—the solution turns pink, from the bottom up....
AP6644 - $34.50
It's bubbly, it's colorful—it's equilibrium in a syringe! Use ordinary seltzer water, an acid–base indicator and a large syringe to transform a common gas solubility phenomenon into an exciting, hands-on demonstration. An acid–base solution is added...
AP8462 - $25.75
A colorless solution is placed in a Petri dish on an overhead projector. The solution will become dark orange then colorless again by the addition of certain solutions and solids. A dynamic demonstration to illustrate LeCh,telier's principle of equilibrium....
AP6603 - $118.85
It's spring break. Time to cast off the winter doldrums and embrace the bright new season! Celebrate the arrival of spring with six fun demonstrations: • An oscillating chemical reaction alternates between frigid blue and sunny yellow, just like the...
AP6650 - $26.60
Spring has arrived—time for April showers to bring May flowers. Welcome spring into your classroom with this two-part acid-base and chemical equilibrium demonstration. In part one, one set of paper flowers are soaked in colorless indicator solutions....
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