Just wondering what has the greatest greenhouse effect

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SUMMARY

The greenhouse effect of various gases is quantified using Global Warming Potential (GWP) over a 100-year period. Carbon Dioxide (CO2) has a GWP of 1, while Methane (CH4) has a GWP of approximately 25, and Nitrous Oxide (N2O) has a GWP of 300. Chlorinated compounds exhibit significantly higher GWP values, with CFC-11 at 5,300 and HFC-23 at 15,000. These figures highlight the substantial impact of certain greenhouse gases on climate change.

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  • Understanding of Global Warming Potential (GWP)
  • Familiarity with greenhouse gases: CO2, CH4, N2O, CFC-11, HFC-23
  • Basic knowledge of climate change concepts
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  • Research the latest data on greenhouse gas emissions and their GWP values
  • Explore the impact of chlorinated compounds on climate change
  • Investigate mitigation strategies for high-GWP gases like HFC-23
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nwag93
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Which of the following has the greatest greenhouse effect, on a per-pound basis?

CFC-11

Carbon Dioxide

HFC-23

Methane

Nitrous Oxide
 
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Defining the effect of CO2 as 1 GWP (Green House Potential) (On a 100 years base), we have

Effect of CO2 is 1 GWP
Effect of CH4 is about 20 GWP
Effect of N2O is about 300 GWP.

I don't know about the Chlorinated compounds, but it is high
 
I found some more numbers on wikipedia https://en.wikipedia.org/wiki/Global-warming_potential

Again, on a 100 years base

Effect of CO2 is 1 GWP
Effect of CH4 is about 25 GWP
Effect of N2O is about 300 GWP
Effect of CFC-11 is about 5300
Effect of HFC-23 is about 15000
 
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