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Interactive video lesson plan for: Barking Dog Chemical Reaction (reaction only)

Activity overview:

Barking Dog chemical reaction - part of our "Berzelius Day" uploading 24 videos in 24 hours. Full video containing this reaction at:
NOTE FROM THE PROFESSOR: 4. The basic mixture is carbon disulfide CS2 plus nitrous oxide, N2O. The N2O decomposes and 2N2O → 2N2 + O2. This reaction needs heat to get it going but is then quite violent. The O2 Reacts with CS2 to make a mixture of CO2, SO2 and solid sulfur. Some of the sulfur and SO2 are formed in a so-called excited state (with a big excess of energy) and the energy is lost by emission of blue light.

See our 24 reactions playlist as it unfolds at:

Berzelius Day explained:

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From the School of Chemistry at The University of Nottingham:

Periodic Videos films are by video journalist Brady Haran

Tagged under: nitrous oxide,carbon disulfide,barking dog,reaction,sound

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