Browsing All Posts filed under »CHEM 1000 (Chem & Well Being)«

ChemCollective – Virtual Lab Simulator

September 19, 2010 by

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Here’s your chance to mix chemicals without wearing safety goggles. You won’t spill any acid on the spectrometer in this lab. Choose solutions from the vast database and mix ’em together till the cloned cows come home. Marvel as the chemical solutions react in real time. Go to¬†http://www.chemcollective.org/vlab/vlab.php

Fact sheet: The Scale of things

August 24, 2010 by

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Well organized graphic showing how large and small numbers are used to describe the real world. Shows pictures of objects along side of the order of magnitude of their sizes. Good for getting a feel for how the numbers are used and for making these small and large sizes comprehensible.

Downloadable simulation: Periodic table in 3D (Mathematica)

August 24, 2010 by

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Downloadable simulation showing periodic trends in the properties of elements in a novel way. Good for seeing how electronegativity, atomic radius, and so on, change across groups and periods. This Demonstration shows 3D bar charts of the periodic table with various element property values

Downloadable game: Build the periodic table (Mathematica)

August 23, 2010 by

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Downloadable game that lets you drill on the periodic table, position of the elements, and the types of elements. To put an element of the periodic table into the right place, first click a numbered box and then click the element. To remove an element from the table, click it again (hint: colors can be useful)Good experience for constant acceleration problems. The zero is when a body in free fall, say, crosses the origin of your coordinate system.

Online simulation: Kinetic theory applied to Chemical reactions (PhET/UC Boulder)

August 17, 2010 by

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Interactive simulation of what chemical reactions look like at the microscopic level. Explore what makes a reaction happen by colliding atoms and molecules. Design experiments with different reactions, concentrations, and temperatures. When are reactions reversible? What affects the rate of a reaction?

Online simulation: Kinetic theory and Reversibility of reactions (PhET/UC Boulder)

August 17, 2010 by

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Interactive simulation of how populations change under different environmental pressures. Watch a reaction proceed over time. How does total energy affect a reaction rate? Vary temperature, barrier height, and potential energies. Record concentrations and time in order to extract rate coefficients.

Online simulation: Kinetic theory and States of matter (Phet/UC Boulder)

August 17, 2010 by

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Interactive simulation of how the microscopic picture of matter relates to measurements like temperature, pressure, and energy flow. Watch different types of molecules form a solid, liquid, or gas. Add or remove heat and watch the phase change. Change the temperature or volume of a container and see a pressure-temperature diagram respond in real time. Relate the interaction potential to the forces between molecules.