Finally, in exercise 4, methane, CH 4 was run through the program. Just like water and carbon dioxide, methane is also a greenhouse gas because it is able to absorb infrared radiation. This absorption of infrared radiation is part of the reason that global warming is occurring. When it absorbs radiation, it warms the earth. Anyway, methane showed many more modes or peaks than and of the other substances. This can be seen in the data in Table 4 . Conclusion
I found this to be a really interesting lab and much different than anything I had done before. Before this lab, I had a small understanding of greenhouse gases. However, I had no idea which gases in particular were greenhouse gases. And, I certainly had no idea the science behind what makes a gas a greenhouse gas in particular. It was fun to create molecules on WebMO and analyze the data. I look forward to using WebMO again for future labs. References  McQuarrie, D. A., P. A. Rock, and E. B. Gallogly. General Chemistry. Fourth, Univ Science Books, 2011, p. 123,124,125,126. Greenhouse Gases.
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