acid + metal -------->salt + hydrogen acid + metal oxide--->salt + water acid + metal carbonate---->salt + water + carbon dioxide Element | Symbol | Valency | Hydrogen | H | 1 | Oxygen | O | -2 | Carbon | C | 4 | Calcium | Ca | 2 | Iron | Fe | 2 | Aluminium | Al | 3 | Sodium | Na | 1 | Potassium | K | 1 | Magnesium | Mg | 2 | Zinc | Zn | 2 | Copper | Cu | 2 | Silver | Ag | 1 | Lead | Pb | 2 | Chloride | Cl | -1 | Sulphate | SO4 | -2 | Hydroxide | OH
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A. Fermentation Lab- The basic process Prepared 3 beakers with contents listed below. ( a. Beaker 1: glucose only b. Beaker 2: Starch only c. Beaker 3: Starch + amylase). Poured contents of each beaker into its respective fermentation tube‚ ensuring the tail portion of the tube was filled with liquid. Placed tubes in an incubator at 37 degrees‚ measuring distance between tip of tube tail to fluid level at 20‚ 40‚ and 60 minute intervals. Calculated gas volume using this distance along with radius
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product of photosynthesis. In my second experiment‚ I tested whether light intensity has an affect on photosynthesis‚ in other words the release of oxygen. µmol m-2 s-1 Methods: Light quality: First‚ I cut off the Egeria of a plant and placed in a bicarbonate solution. Then‚ I started by placing a green filter in front of the test tube turning on the projector. Next‚ I set the PAR at 70 µmol m-2 s-1 by moving the projector closer or farther from the plant. At that time‚ I brought the test tube with
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given amount of water. Alka-Seltzer is an over-the-counter antacid and pain relief medication that is dissolved in water before it is ingested. Each tablet contains aspirin (acetylsalicylic acid)‚ citric acid‚ and sodium bicarbonate. As the tablet dissolves in water‚ the bicarbonate ions in the tablet react with the hydrogen ions from the acids that are also contained in the
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The Andromeda Strain- 1. A. QUOTE: "Crane: ’You see him? The man in the white robe‚ walking across the street-’" "Shawn: ’I see him.’" "Crane: ’He’s just stepping over them like-’" "Shawn: ’He’s coming towards us." "Crane: ’Sir‚ look‚ I think we should get out of here‚ if you don’t mind my-’ " "The next sound heard was a high-pitched scream‚ and a crunching noise." -pg.10 B. PLOT RELEVANCE: From this quote we can conclude that someone survived the accident. This led the scientists to have hope
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02 December 2012 1. Title and Author 1. The Effect of Extreme Temperatures on the Rate of Photosynthesis 2. Jeffrey Xia 2. Abstract A previous lab in which we conducted‚ tested whether or not the light intensity had an effect on the rate of photosynthesis. We concluded that light intensity did possess an effect on the rate of photosynthesis – the closer the experimental plant units were to the light source‚ the more experimental plant units exhibited the effect of gas exchange in photosynthesis
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Exp’t 84 Synthesis of Methyl Benzoate by Fisher Esterification from K. L. Williamson‚ Macroscale and Microscale Organic Experiments‚ 2nd Ed. 1994‚ Houghton Mifflin‚ Boston p385 Revised 10/15/03 Prelab Exercise: Give the detailed mechanism for the acid-catalyzed hydrolysis of methyl benzoate. Introduction: The ester group is an important functional group that can be synthesized in a number of different ways. The low-molecular-weight esters have very pleasant odors and indeed are the major components
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Running head: BSRN - 340 - PHARMACOLOGY – DIPHENHYDRAMINE - OD Diphenhydramine Overdose in a 26-year-old Woman BSRN – 340 – Pharmacology for Nurses April 24th‚ 2009 Diphenhydramine Overdose in a 26-year-old Woman Paramedics were dispatch to the apartment of a 26-year-old woman who reportedly ingested two full bottles of diphenhydramine 45 minutes prior to the arrival of emergency medical services. According to the paramedics’ report‚ they found the patient unconscious with a respiratory
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FIRE AND FIRE EXTINGUISHMENT A BRIEF GUIDE TO FIRE CHEMISTRY AND EXTINGUISHMENT THEORY FOR FIRE EQUIPMENT SERVICE TECHNICIANS BY J. CRAIG VOELKERT COPYRIGHT ® J. CRAIG VOELKERT 2009 FIRE AND FIRE EXTINGUISHMENT A BRIEF GUIDE TO FIRE CHEMISTRY AND EXTINGUISHMENT THEORY FOR FIRE EQUIPMENT SERVICE TECHNICIANS INTRODUCTION The professional service technician‚ who selects‚ installs‚ maintains‚ recharges and otherwise performs service work on portable fire extinguishers‚ pre-engineered
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BIO 143 HUMAN PHYSIOLOGY REVIEW SHEET TEST 5: FALL 2012 Chapter 23: Ventilation - Be able to list & briefly describe the 4 primary pressures that are associated with ventilation: Atmospheric Pressure‚ Intra-alveolar Pressure‚ Pleural Pressure‚ Transpulmonary Pressure. - What ix external and internal respiration? - Be familiar with why ventilation occurs (b/c of pressure gradients between alveoli and outside atm.)‚ that air moves down a pressure gradient (high to low pressure) and why
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