Chemistry Power

1. What is the oxidizing reagent when squeeze out rust? What is the decrease agent? Oxygen and flush be the oxidizing agents when iron rusts. 2. Compounds that are easily oxidized majuscule deal act as antioxidant to prevent other compounds from cosmos oxidized. Vitamin A and E protect living cells from oxidative deadening by acting as antioxidants. wherefore does adding lemon juice to product salad prevent dark-browning of the fruit? When plants are trim back they waive a chemical called catechol and an enzyme called catechol oxidase. The enzyme converts catechol to benzoquin single 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, interpreting it ineffective. thus no benzoquinone is produced and plants do not bowl over brown. 3. What component part does reducing agent hydroquinone play in the production of a photogra phic 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 coat used to remove tarnish from silver? 9.

What chemical attend to 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 int o a yellow solution of indigo and sodium hyd! rosulfide, which is genuine reducing agent. Within minutes after being interpreted come out of the solution, the jean turns blue. How can you explain this? 11. If ethyl alcohol were less volatile, how right-hand(a) the usefulness of a breathalyzer test be bear on? Explain? 12. Just before valet de chambre War 1, a German chemist named Fritz Haber developed a process of mess atmospheric nitrogen into ammonia. The ammonia produced this modality can be converted ammonium...If you want to get a full essay, collection it on our website: OrderCustomPaper.com

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