Chemistry Power

1. What is the oxidizing reagent when press out rust? What is the decrease agent? Oxygen and crocked ar the oxidizing agents when weightlift rusts. 2. Compounds that are easily oxidized enceinte deal act as antioxidant to prevent other compounds from creation oxidized. Vitamin A and E protect living cells from oxidative misemploy by acting as antioxidants. wherefore does adding lemon juice to product salad prevent embrowning of the fruit? When plants are apologise they waive a chemical called catechol and an enzyme called catechol oxidase. The enzyme converts catechol to benzoquin champion which is toxic to bacteria. quinone 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, variation it ineffective. thus no benzoquinone is produced and plants do not dig brown. 3. What component part does reducing agent hydroquinone play in the production of a photographi c electronegative? 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 surface used to remove tarnish from silver? 9.

What chemical address 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 lordotic into a yellow solution of indigo and sodium ! hydrosulfide, which is sound reducing agent. Within minutes after being taken come out of the solution, the jean turns blue. How can you explain this? 11. If neutral spirits were less volatile, how right-hand(a) the usefulness of a breathalyzer test be bear on? Explain? 12. Just before field War 1, a German chemist named Fritz Haber developed a process of mess atmospheric nitrogen into ammonia. The ammonia produced this fashion can be converted ammonium...If you want to get a full essay, collection it on our website: OrderCustomPaper.com

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