This experiment is to show how much carbon dioxide is produced during the reaction between an acid (hydrochloric acid) and marble. Equipment: Hydrochloric Acid (20ml) - 0.5M‚ 1M‚ 2M Marble Chips (2g per test) Large Measuring Cylinder Plastic Bowl (3/4 full of water) Rubber Tubing Glass Conical Flask Stopwatch Method The first thing that we did was fill the plastic bowl with water. We only filled it up 3/4 of the way because otherwise the water displaced into
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Pearl Harbor in Hawaii. The surprising tactical attack caused many American casualties as well as destroyed much of the U.S. naval base. As the attack on Pearl Harbor was the costliest naval disaster for the U.S.‚ this will remain an unforgettable day in history. However‚ during the times of surprise for military and civilian communities‚ the Army Medical Department was able to handle the casualties due to the prewar emergency planning. As the attack on Pearl Harbor came as a shock to many Americans
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planning on the attack took some time and some thought for the Japanese. They began planning the attack in early 1941. The Japanese Navy took several months to take the time to plan for this attack. It took a lot of their own time and their attention to get it all done. The intent of a defensive strike on Pearl Harbor was to neutralize American naval power in the Pacific‚ then removing it from influencing operations against American‚ British‚ and Dutch colonies to the south. Successful attacks on colonies
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2001 was one of the most tragic days in U.S. history. The attacks on the World Trade Center were absolutely hanis to say the least. The attacks took many people by surprise‚ including myself. That day made a tremendous impact on our country that still exist today and will probably last a very long time. Terrorism has been around for a many years; however‚ the terrorist attacks of 9-11 changed the United States forever. The terrorists’ attacks of 9-11 did not have much of a personal effect on me due
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The attack on Pearl Harbor was a hard time for the U.S. to realize what Japan had done. The attack happened on December 7‚ 1941 which it was a surprise attack in which the americans had no idea. The news spread from coast to coast that Japan had attack Pearl Harbor and killed many lives. The radios were spreading the information on what happened in Pearl Harbor more quickly than anyone could suggest. The Americans had a hard time focusing on what Japan did‚ which for most americans they remember
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most simple bath bomb recipes have: baking soda‚ citric acid‚ and cornstarch. When baking soda and citric acid are mixed together with some water‚ they undergo a chemical reaction. Specifically‚ this reaction involves acid-base chemistry‚ since the baking soda—also known as sodium bicarbonate (NaHCO3)—is a weak base‚ and citric acid (C6H8O7) is a weak acid. This reaction is shown in Equation 1‚ below. As you can see from Equation 1‚ the acid-base reaction produces carbon dioxide (CO2) gas. This gas
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The attacks of September 11th‚ 2001 were one of the most devastating events that happened in U.S history. An Islamic terrorist organization‚ Al Qaeda‚ headed by a expelled Saudi nationalist Osama bin Laden‚ directed four airplanes to deliberately crash into New York City’s World Trade Center ‚the Pentagon outside Washington‚ DC ‚ and in rural Pennsylvania causing the death of over three thousand innocent civilians and injuring over six thousand. Osama Bin Laden stated that the attack was in response
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Film: Lorenzo’s Oil – Part One Directions: Answer the following questions based on the information provided in the film‚ Lorenzo’s Oil. Characters: Lorenzo Odone – child Michaela Odone– mother Augusto Odone- father 1. Lorenzo begins to experience problems at school and at home. What symptoms of the disease first appeared? ___________________________________________________________________________ ____ ___________________________________________________________________________ ____ 2
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caused when someone’s stomach produced excess amounts of gastric acids. One of the abundant acids is Hydrochloric Acid (HCl); this acid has a pH level of 1. When there is too much acid in our stomach‚ it rises up to the esophagus‚ which causes the burning sensation known as heartburn. You can treat this if you take antacids‚ antacids are mild bases that can help neutralize the stomach and ends heartburn. GENERAL NEUTRALIZATION EQUATION: Acid + Base = H2O + NaCl HCl + NaOH = water + salt Purpose
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Terror Attacks Of September 11th “What separates us from the animals‚ what separates us from the chaos‚ is our ability to mourn people we’ve never met.” - David Levithan. Just under fourteen years ago we were attacked on our own soil for the first time since December 7‚ 1941 when the Japanese bombed Pearl Harbor. Although I wasn’t old enough to remember this day I feel like I was one of the millions of Americans to witness the terror attacks on September 11‚ 2001. September 11th was a horrific
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