Answer the questions below. When you are finished‚ submit this assignment to your teacher by the due date for full credit. (2 points) |Score | | | 1. List the pH levels you recorded for each test tube. Answer: |Test Tube |pH Level | |1 | | |2 | | |3 | | |4
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Copper-Silver Nitrate Reaction Introduction In this experiment copper wire will be placed in a solution of silver nitrate. This single replacement reaction will produce a blue solution of copper II nitrate and solid silver. By weighing the reactants before the reaction‚ the mass of silver produced can be predicted. This theoretical yield can be compared to the actual yield of silver. Purpose Students will compare the theoretical mass of silver with the actual mass of silver from the single
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Title of Experiment: Colloids and their Properties Experiment Number 2 Date: Dec. 6‚ 2010 Objective: To determine the properties of colloids and how they function in physiological systems Materials: O.1 M CuSO4 * 10% skim milk mixture 3 M HAc 0.2 M K2Cr2O7 0.04 M AgNO3 0.02 M K2Cr2O7 * 1% Gelatin 0.01 M AgNO3 5 Test tubes Dialysis bag Observations: Part I. |Test Tube Number |CuSO4 Solution
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Chemistry Lab Report (Redox Reactions) Questions: • What will happen when you put zinc in copper II sulfate? • What will happen when you put copper in copper II sulfate? Predictions: • We can predict that zinc will react with the aqueous solution of copper II sulfate and we will notice a reaction. We can also predict that the copper will not react with the solution of copper II sulfate and no reaction will be noticed. Hypothesis: • It is hypothesized the zinc metal will have a precipitation reaction with
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Laboratory Report Title: Identifying the four major classes of macromolecules through various tests. Group Members: Antonia Johnson‚ Payton Ewing‚ Lenneisha Hepburn‚ Kendisha Hanna‚ Introduction: Macromolecules also known as biological molecules are monomers which are the simple units of polymers. All macromolecules contain carbon and hydrogen which are found in organic compounds. In this Experiment we will test for the presence of protein‚ starch‚ lipids‚ and sugars by analyzing the content off food
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Recently a scientist by the name of Mark Post helped create a “test tube” beef burger. The burger was grown in a solution of nutrients and cost about 330‚000 dollars to make. The burger was created by taking muscle cells from a cow and growing them into tissue. The meat had to be dyed to make it look like real beef. The meat contains no fat and is disease free. The meat was made in the Netherlands at Maastricht University. It was served to two volunteers and was flavored with egg powder and bread crumbs
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fuel is a natural fuel‚ such as coal or gas‚ formed in the geological past from the remains of living organisms. Humans use fossil fuels every minute of each day in order to survive. Coal‚ oil‚ petrol gas‚ diesel fuel‚ and natural gas are all used from fossil fuels. That being said‚ we use it with some things such as‚ central heating and air conditioning‚ driving a car‚ shopping for groceries that were delivered by a truck or train‚ and/or using an outdoor gas grill for cooking. Without fossil fuel
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Study Generator has many meanings. However‚ this study’s definiton of generator is a program or software that generates something‚ in this case‚ tests‚ patterns and even format. Test generators can help you create your tests. With test generators‚ you can create multiple-choice and single choice questions all on the same test. You can also add images in question‚ scenario‚ choices and explanations varying on the type of test generatos used. You can copy questions from other tests without retyping
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The question‚ “Are we the dumbest generation?” has been asked by many and we all have different point of view on it. There’s no wrong or right answer when it comes to it‚ but I‚ for one think that we are not the dumbest generation. Because technology has upgraded since it has been introduced to us all and technology has affected us in marvelous ways. Bauerlein stated‚ “The advantages of twenty-first century teen life keep expanding‚ the eighties and nineties economy and the digital revolution providing
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The question‚ “Are we the dumbest generation?” has been asked by many and we all have different point of view on it. There’s no wrong or right answer when it comes to it‚ but I‚ for one think that we are not the dumbest generation. Because technology has upgraded since it has been introduced to us all and technology has affected us in marvelous ways. Bauerlein stated‚ “The advantages of twenty-first century teen life keep expanding‚ the eighties and nineties economy and the digital revolution providing
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