Chemistry Power

1. What is the oxidizing reagent when contract rust? What is the decrease agent? Oxygen and mischievous atomic number 18 the oxidizing agents when straighten out rusts. 2. Compounds that are easily oxidized neat deal act as antioxidant to prevent other compounds from be oxidized. Vitamin A and E protect living cells from oxidative legal injury by acting as antioxidants. wherefore does adding lemon succus to product salad prevent brownishing of the fruit? When plants are curl they waive a chemical called catechol and an enzyme called catechol oxidase. The enzyme converts catechol to benzoquin unmatched which is toxic to bacteria. benzoquinone is intend to prevent microbe invasion. It is this chemical that gives plants a brown color. The citric acid in lemon juice denatures the catechol oxidase, variant it ineffective. thus no benzoquinone is produced and plants do not worm brown. 3. What component part does reducing agent hydroquinone play in the production of a photographic proscribe? 4. How most of the iron is apply for qualification steel purified from iron ores? 5. Why do aluminum bear degrade more(prenominal) slowly than cans made of iron? 6. Why cant rust stain be remote with bleach? 7. Why does a photographic negative postulate to be fixed? 8. Why is aluminum metal used to remove tarnish from silver? 9. What chemical mould do hibernating animals use to stay warm? 10. Indigo is one of the oldest dyes. It has been detect in cloth used to wrapped mummies that are more than 5000 years old. When cotton jeans are dyed with indigo, they dip into a yellow solution of indigo and sodium hydrosulfide, which is beneficial reducing agent. Within minutes after being interpreted come out of the solution, the jean turns blue. How can you explain this? 11. If fermentation alcohol were less volatile, how right-hand(a) the usefulness of a breathalyzer test be bear on? Explain? 12. Just before domain War 1 , a German chemist named Fritz Haber develop! ed a process of mess atmospheric nitrogen into ammonia. The ammonia produced this expressive style can be converted ammonium...If you want to get a full essay, collection it on our website: OrderCustomPaper.com

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