Green chemistry Flashcards

1
Q

Define green chemistry

A

The design of chemical products and processes that reduce or eliminate the use and generation of hazardous compounds

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2
Q

list the Three great challenges

A

sustainable energy, renewable stocks, hazardous substances

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3
Q

Risk is a function of…

A

hazard and exposure

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4
Q

Define Auxiliary substances

A

things used in reactions solvents, dispersing agents, separation agents that are not in the final product.

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5
Q

why are Catalytic reagents are better than stoichiometric reagents?

A

they lower reaction barrier, less energy required.

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6
Q

3 components of Hazard assessment

A

Potency, severity, reversibility

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7
Q

Effects on local environment

A
  • Acid rain

- Smog from automobiles and burning fossil fuels

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8
Q

difference between recycling and green chemistry

A

green chemistry more focused on preventing hazardous compounds from being put in the environment.

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9
Q

Effects on global environment

A

climate change

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10
Q

List the Life cycle impact categories

A
  • Natural resources
  • Ecosystem-water
  • Ecosystem-atmpsphere
  • toxicity
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