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Hydrogen + Chlorine Cannon When a corked test tube containing a mixture of hydrogen and chlorine is struck by light from a burning magnesium ribbon, the resulting explosion propels the cork out of the test tube.
Gases : GasGramMixPressure (5 Variations)
4.80 g of CH4 is mixed with 17.6 g of CO2 in a 9.00 L flask at a temperature of 67.2oC. What is the total pressure of the flask? (Assume there is no reaction.)
Gases |
Chemometrics
Gases : GasMoleMixPressure (5 Variations)
What is the pressure exerted by a mixture of gases in a 40.0 L container at 127oC if the mixture contains 0.100 mol O2, 0.400 mol CH4, and 0.500 mol SO2?
Carbon Dioxide FountainSeong-Joo Kang and Eun-Hee Ryu This article presents the development of a carbon dioxide fountain that, unlike the traditional ammonia fountain, is odorless and uses consumer chemicals. This experiment also allows students to see evidence of a gaseous reagent being consumed when a pressure sensor is available. Kang, Seong-Joo; Ryu, Eun-Hee. J. Chem. Educ.2007, 84, 1671.
Acids / Bases |
Consumer Chemistry |
Gases |
Laboratory Equipment / Apparatus |
Reactions
Incomplete Combustion of Hydrogen: Trapping a Reaction IntermediateBruce Mattson and Trisha Hoette In this demonstration, a hydrogen flame is played across the face of an ice cube and the combustion is quenched in an incomplete state. The resulting solution contains a stable side-product, hydrogen peroxide, whose presence can be verified with two simple chemical tests. Mattson, Bruce; Hoette, Trisha. J. Chem. Educ.2007, 84, 1668.
Descriptive Chemistry |
Free Radicals |
Gases |
Molecular Properties / Structure |
Reactions |
Reactive Intermediates
Two "Gas-in-a-Bag" Reactions To Show the Predictive Power of the Relative AcidBase Strength ChartBrett Criswell Describes a demonstration in which two different pairs of solid chemicals mixed in two different Ziploc bags in the presence of a small quantities of water react to produce gases. Students are informed that the reactions are BrnstedLowry acidbase type reactions and must determine which member in each pair will act as the acid and which as the base. Criswell, Brett. J. Chem. Educ.2006, 83, 1167.
Toys-ACS Science for KidsAmerican Chemical Society ACS Science for Kids activities explore how chemistry can be used to make toys.
Gases |
Polymerization |
Water / Water Chemistry |
Physical Properties |
Lipids |
Reactions
Air-Solids, Liquids & GasesAmerican Chemical Society ACS Science for Kids activities explore the properties of gases.
Atmospheric Chemistry |
Acids / Bases |
Reactions |
Applications of Chemistry |
Water / Water Chemistry |
Gases
Characteristics of MaterialsAmerican Chemical Society What makes diapers absorbent? Is peanut butter stickier than syrup or jelly? Strong, stretchy, sticky, or sweet—everything around us has special properties which make them unique. See if you can identify and compare the characteristics of materials.
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