Unit 6 Lab Report 1. Objective: To find the percent composition of water in an unknown hydrate. 2. Materials: Goggles‚ apron‚ evaporating dish‚ hot plate‚ and stirring rod 3. Procedure: get the mass of a evaporating dish‚ put a sample of the hydrate onto the evaporating dish and mass the dish with hydrate. Put the dish with hydrate on the hot plate on high heat. Break up any clumps that form during the heating process. Observe any color
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For the unknown light source‚ it had almost every color‚ so it might have been be mercury because they have similar color beams and their color from the naked eye appeared as purple‚ which mercury‚ a light blue‚ is very close to in terms of it’s color on the spectrum. For the unknown flame crystals‚ it may NH4+ because the colors that appeared are very similar to the crystals. Next‚ chemicals have to be heated in the flame for the color to emit because heat adds energy to the substance making the
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Cathy Do Professor Wurzbacher ENGL 2305 April 19‚ 2015 The Meaning of “Home” in Love Medicine and The Book of Unknown Americans Home is a word that has an emotional feel to it. Home can mean when we are talking about where we belong‚ a place be need‚ somewhere to feel safe‚ and someplace to be loved or to love. Some may say that home is wherever family is or where you loved ones are. Home can be seen as a physical location like the house you live in or general area you live in. Home can also be
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Investigation of Combustion of Alcohols Aim The aim of this experiment is to investigate the combustion of various alcohols. The alcohols will be burnt to heat up a test tube of water‚ I aim is to find out how much energy is produced when burning the following alcohols: Methanol‚ Ethanol‚ Propanol‚ Butanol‚ and Pentanol. Any form of burning is an exothermic reaction (heat is given out)‚ this means that the reactants energy is higher than that of the product. Alcohols react with
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"The Unknown Southern Land" Even in medieval times there were stories about a large continent in the Southerh Hemisphere. But Europeans had never seen it. They wondered what it was like and whether it inhabited. They called this land terra australis incognita 1 or «the unknown souther land» – Australia. Nowdays when people speak of Australia they can mean three things: 1) Australia as a continent; 2) Australia as an island and 3) Australia as an indenendent country. Australia
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Samarpan Rai 30/11/012 Physics HL Investigation on Young Modulus Young’s modulus‚ also known as the tensile modulus‚ is a measure of the stiffness of an elastic material and is a quantity used to characterize materials. Young’s modulus is named after Thomas Young‚ the 19th century British scientist. It is a very important concept that categorizes metals on basis of their elasticity. In the last lab‚ we were asked to find out the Young Modulus of two wires: Copper and Steel. I worked on Copper
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Problem Overview The purpose of this proposal is to show that the absence of motivation and interest in team members during a project can drastically affect its result. If the team members have low morale or a disregard for their tasks and activities on a project they can really affect how a project turns out whether it comes out on time or within budget. Problem Discussion A poorly motivated team can unravel a well-built construction plan in the blink of an eye. An experienced project manager
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Antibiotic Resistance in Bacteria For about 50 years‚ antibiotics have been the answer to many bacterial infections. Antibiotics are chemical substances that are secreted by living things. Doctors prescribed these medicines to cure many diseases. During World War II‚ it treated one of the biggest killers during wartime - infected wounds. It was the beginning of the antibiotic era. But just when antibiotics were being mass produced‚ bacteria started to evolve and became resistant to these medicines
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An investigation into the specific heat capacity of a solid Introduction: In this experiment I investigated the specific heat capacity of brass and aluminium‚ in order to do this I arranged a series circuit with a heater‚ the heater would go inside the brass and aluminium and heat it for an amount of time in which I decided‚ I also used the voltmeter in parallel. This arrangement made me able to arrange the equation VIT= mcΔθ‚ since the electrical energy in would be equal to the mass times the
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ntroduction In this experiment we created standards to be able to compare a mystery substance off of. We were tasked to investigate a murder that took place by analyzing a man’s last meal to find out where he had ate based on the content of his stomach. Before we could test the mystery substance we had to establish standards‚ so we could compare off of them. Based on the results of this lab‚ we believed that the victim last ate at Buffalo Wild Wings (Veliz). Methods and Materials We started this
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