LABORATORY REPORT 4 PREPARATION OF ALUM FROM ALUMINUM METAL Huy Nguyen October 2nd‚ 2012 The objective of the laboratory is to synthesize alum (KAl(SO4)2.xH2O) from aluminum powder and to determine the proportion of water in the alum crystals. Alum is a product from the reaction between potassium hydroxide and sulfuric acid. The reaction include several steps‚ as followed: Aluminum powder reacts with potassium hydroxide to generate Al(OH)4- ions and release hydrogen. 2 Al(s) + 2 KOH(aq)
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disagreement between United States and Europe goes so far that he demonstrate these differences as planetary diversity‚ because‚ apparently‚ Americans are from Mars‚ and Europeans are from Venus. This characterization reflects a greater tendency of American use of force and war‚ while Europeans are recognized by pleasure and hedonism‚ and this characterization can be taken as a witty prologue to the differences that have become very visible. For realists in international relations‚ who accepted concentration
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“Before I was‚ There Were...” I have so many relatives and all of them have done so much for me. My mom’s parents who are Kathey Sigmon and Jerry Carrigan are my grandparents‚ but they divorced and my grandma remarried to Bob Sigmon. My mom had a sister named Emily Sigmon and brother named Nick Carrigan. My grandma Kathey had two sisters name Faye Shew and Sue Robinette. My great grandmother Faye Carrigan is the mother of Jerry Carrigan‚ she has a sister named Nell-Rose Stafford but she passed
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to make America a better place for generations to come. In the eyes of the world we are limitless but‚ I believe there are things that are necessary to change to reflect the fame and superiority associated with America in the eyes of the world. If I was president‚ I would strive to accomplish three major issues. To begin with‚ to ensure food security‚ I admit that a government that is not able to feed its citizens has no reason to be in power. Food security is a situation where all people‚ at all
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History Essay!!! Was reconstruction a failure? Many people have asked me about my opinion on whether or not reconstruction was a failure. I feel as though reconstruction was a failure. There are several reasons why I feel this way. First of all‚ it was a failure due to the opinion on race. Second of all‚ reconstruction was thought of as a bad idea. Lastly‚ reconstruction for equality was a failure. As stated above‚ it was a failure due to the opinion on race. I say this because for example
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figures‚ war is violent. It causes destruction‚ tragedy‚ and loss. Hiroshima was one of the most catastrophic events that took place in history. No one knew what was happening or what to do‚ since this was the first atom bomb ever dropped on a city. Some say that Hiroshima could have started the cold war. The ethics of war take their place here. People have asked about Hiroshima and the Just War Theory. They ask if Hiroshima was justified‚ or if it wasn’t and Americans
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The National Prohibition of alcohol in America started in the year 1920. It was known as the "noble experiment". It was created to reduce crime and corruption‚ solve social problems‚ reduce the tax burden by poorhouses and prisons‚ and to improve hygiene and health in America. The results of the "noble experiment" was indicated that it was an absolute failure. This evidence is from the economic theory‚ which estimates that prohibition of mutually beneficial exchanges is bound to fail. The Prohibition
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bowl (for mixing curds with baking soda and water for texture) 2 cups (for measurement of milk) 1 spoon (for mixing purposes) 1 pot (for heat purposes) 4 sheets of filter paper 1 pail 1 20cm x 20cm piece of wood 4 5cm x 5cm piece of wood Powdered milk makes the strongest milk glue because of its high protein content. This is because casein is a protein which is present in milk and gives milk its white colour. It contains all the essential amino acids
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Analysis Was It a Dream? Subconsciously‚ a lover mourning over his dead wife has come to the realization that his spouse has been unfaithful. With his selected dark vocabulary he creates a clear picture of the character’s surroundings. This vivid image provided to the readers by Guy de Maupassant allows insight to the atmosphere and the mood of the story. Statement #1: Guy de Maupassant’s choices of words help readers understand the character’s emotions. Example #1: “I was standing
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THE TRUE STORY It Was A Tuesday Morning That I Met This Guy. He Stopped Me As I Was Walking By. He Was Dark-Skinned And Cute‚ But He Was Not My Type‚ But He Knew How To Treat A Girl Just Right. I Got In His Car‚ And We Went Driving Around‚ Then He Bought Some Pizza For Me To Eat. Damn‚ He Was So Handsome And Sweet‚ Wherever I Wanted To Go‚ We Went‚ And Whatever‚ I Wanted To Do‚ We Did. The Only Thing I Didn’t Like About This Guy Was That He Had A Kid. However‚ As Time Went By‚ He Treated Me
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