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COMIC STRIPS IN CHEMISTRY
Updated: 10/28/2020
COMIC STRIPS IN CHEMISTRY
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Storyboard Text

  • For its advantages we have : orldwide more than 80% of the synthetic anhydrous ammoniais used as an agricultural fertilizer. An anhydrous ammonia is that type ofammonia which doesn’t contain water.
  • STATION 2: ADVANTAGES AND DISADVANTAGES OF HARBER PROCESS
  • How is the experiment going? What are the things did you learn? In this Station, I assign all of you to discover what are the advantages and disadvantages in Haber's process, right?
  • Can you explain it to me?
  • Yes ma'am!
  • First, we will discuss the disadvantages of this process. Haber Process is an Energy Glutton Given that the Haber process requires temperatures of 400 -550C and pressures of 200 - 300 atmospheres it's not surprising that it uses a lot of energy. Manufacture of nitrogen fertilizers uses about 5% of the world's natural gas production, equivalent to 1-2% of the world's annual energy consumption.
  • Negative Effects on Soil and Soil Community The organic matter in the soil is lost. The soil food web, that intricate web of civilization living in the soil, is starved and begins to die.Plants and nitrogen fixing bacteria are damaged by use of excessive synthetic nitrogen fertilizer. This leads to less nitrogen fixed naturally and increased reliance on synthetics.
  • Bombs and Bullets There is still a good chunk of Haber process nitrogen that winds up in war zones. In fact many of those roadside bombs terrorizing people in various parts of the world are made in part from Nitrogen fertilizer synthesized with this process.
  • As additional information it also affects- Serious imbalances to the nitrogen cycle.-Excess runoff cause ocean dead zones.
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