SCI201_Week6A

Read the questions carefully and answer them comprehensively.

Match the pollutant(s) in Column I with the effect(s) in Column II. Prompts Submitted Answers Phosphate fertilisers in water Choose a match Nitrogen dioxide 'Blue baby' syndrome Carbon dioxide Global warming Nitrate in drinking water Red haze in traffic and congested areas Lead Eutrophication Damage to kidney

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Concentrated sulphuric acid is used in this experiment to O help the crystal growth of acetylsalicylic acid speed up the reaction of aspirin synthesis increase the activation energy O avoid impurities getting trapped into the aspirin crystals P Type here to search

MULTIPLE CHOICE Question 18 Which scenario best describes the long-term health effect of air pollution exposure? A woman exposed to toxic chemicals in ground-level air pollution experiences a change in DNA, resulting in lung cancer. B. A man exposed to toxic chemicals in ground-level air pollution experiences extreme eye irritation that clouds his vision. A man exposed to toxic chemicals in ground-level air pollution experiences a cough. D. A woman exposed to toxic chemicals in ground-level air pollution experiences an ex- treme headache.

1.Explain the slogan about chemical safety " A spill, A slip, A hospital trip" 2.How do you apply 5s(sort, set in order, shine, standardize, sustain) to attain chemical safety at home and in school?. Enumerate

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Carbon dioxide concentration (parts per million) Examine the graph and answer the following questions. Part A Atmospheric Carbon Dioxide What was the average rate of increase in carbon doxide concentration between 1900 and 19407 410 400 Express you answer in parts per million per year to two significant figures. 300 380 a ? 370 360 ppm/year 350 340 Submit Bequest Anawer 330 320 310 Part 8 Complete previous parts) 300 290 - 1860 1880 1900 1920 1940 1960 1980 2000 2020 Provide Feedback Next> Year

The phrase "Benign by design" is often associated with green chemistry. In your own words, what does this phrase mean in relation to green chemistry?

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Goofy Incorporated bought a sizeable amount of Crazy Company's bonds for $200,000 on May 5, 2023, and classified the investment as available-for-sale. The market value of the bonds declined to $124,000 by December 31, 2023. Goofy reclassified this investment as trading securities in December of 2024 when the market value had risen to $163,000. What effect on 2024 net income should be reported by Goofy for the Crazy Company bonds? A: 39,000 net unrealized holding gain B: 37,000 net unrealized holding loss C: 76,000 net unrealized holding loss D: 0

Animal fats and vegetable oils become rancid when exposed to air because

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Which branch of chemistry would be the most relevant to a learner that plans on becoming a nutritionist? A physical chemistry B C D biochemistry inorganic chemistry nuclear chemistry

Climate Change: Which of these is an example of a human activity that causes climate change? O Burning fossil fuels O Removing greenhouse gases O Using alternative energy sources O Increasing ash particles from volcanoes

What three strategies that can be used to protect coral reefs from pollution?