Copper sulphate experiment Introduction There are a number of different methods of making salts‚ such as the reaction of a metal with an acid. Copper metal‚ however‚ does not react with sulphuric acid and so another method must be used. In this experiment a basic copper compound (copper(II) oxide) will be reacted with sulphuric acid giving copper(II) sulphate as one of the products. Method 1. Wear goggles and keep your face away from the beaker during the reaction 2. Place 20 cmm3 sulphuric
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Courage Kaplan University CM107-60: College Composition I Prof.: Fawn Erickson-Bragg Fatima Gibbs July 23‚ 2013 Courage Courage means to overcome fear and failure‚ being inspired to take that next step even if you are afraid. Courage means to push forward even when you feel like you are being held back by a brick wall. This is a description of Luther Gibbs. He had it hard growing up and became an addict at a very young age. He was and is a strict parent but could also make you laugh
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When you mix copper‚ silver‚ and nitrate together‚ you will end up with silver nitrate solution will turn blue (it has become copper nitrate). On the piece of copper‚ there would be a coating of solid silver. If a chemical reaction is going to be observed when chemicals are mixed‚ heated or any other means of altering the substance‚ then we will be able to predict the products formed. If it is observed that in the original versus the changed substance no new substances are formed‚ the change is reversible
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Comunication Composition ¬ Text number 4: The text is a diary written by a woman and it is probably only to be read by herself. She is typing it down early in the morning¬ (7.15 a.m.) while her boyfriend Mark Darcy is still asleep. She starts with making a status over her weight in stones‚ her number of boyfriends‚ ¬the number of shags she and her boyfriend had and how many calories she has eaten. After ¬that she writes down how good she feels and she makes comparisons with herself and
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| JC Penney was once a fashion icon to children‚ young adults‚ and teens. Beginning in 1913 it currently operates over 1000 stores. Growing up my sister and I waited to go through their catalogue. We would circle everything we wanted. We would even get our hair cut the same way some of their models did. I went as far as crimping my hair because the model had her hair crimped. Every summer before school started my Grandma would take us shopping at Penney’s for new school clothes. This company
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Table below shows the layers of the Earth : Layer Composition Depth Properties Crust Oceanic crust Continental crust Basalt Granite 7-10 km 20-70 km Cool‚ rigid‚ and brittle Cool‚ rigid‚ and brittle Lithosphere Lithosphere includes the crust and the uppermost portion of the mantle Varies; the crust and the mantle have different compositions About 100 km Cool‚ rigid‚ and brittle Mantle Uppermost portion of the mantle included as part of the lithosphere Asthenosphere
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My results of part B shows that a penny can hold 21 drops of water on the top. This relates to adhesion since the penny that is copper is attracted to a different substance which is water. When the drops hit the penny‚ the adhesive force of the water and the penny keeps the water from falling off the sides. It also shows high cohesion since the water molecules are attracted to each other. In a water molecule it has a hydrogen bond of oxygen and hydrogen since they are attracted to one another. It
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Family Composition Yes‚ it seems that a family is one of the biggest God’s gifts. As a rule‚ we do not notice this in our everyday life. We just know that we have our mom and dad‚ grandparents‚ and other family members. And only in some specific moments we realize how these people are important to us‚ and that no one else in this world will love us as they do. In my family I still have my mom and my dad; I’m the eldest among my three siblings. There are three girls and only one boy in
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All compositions are composed of literary units called paragraphs. The purpose of a paragraph is to carefully explain and develop a given idea or topic that is a part of a paper’s thesis. Each unit is then segmented into a variety of sentences which are used to develop the main idea of the paragraph. Almost always‚ paragraphs need a central sentence called the topic sentence. This sentence tells the reader exactly what subject he or she will expect to find in the rest of the paragraph. The topic
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mass of copper wire was 1.250g but the recovered copper was only 0.120 subtracting the mass of the recovered copper with beaker from the tare beaker mass. So the percentage yield resulted only to 9.6% it is very little‚ and it may be due to many possible sources from doing the steps. Adding too much or too little of a compound to the copper solution‚or the loss of copper during transport or by being left on the stirring rod. Another situation which was a source of error is when the copper solution
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