measured in the short time available for each experiment Temperature * Bunsen Burner * Tripod * Heat Mat * Gauze * Beaker * Measuring Cylinder * Water * Thermometer * Safety Goggles * Gloves * Tongs * Scales Method Equipment - Control Variables * In this experiment the control variables are the volume of water we use for each beaker. If we change the volume of water for each beaker‚ the results we get will not be relevant‚ since we are seeing what affects the rate
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PERSONAL PROTECTIVE EQUIPMENT Hazards exist in every workplace in many different forms: sharp edges‚ falling objects‚ flying sparks‚ chemicals‚ noise and a myriad of other potentially dangerous situations. Controlling a hazard at its source is the best way to protect employees. Depending on the hazard or workplace conditions‚ the use of engineering or work practice controls to manage or eliminate hazards to the greatest extent possible. When work practice and administrative controls are
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Sam Chu (Jacob Gorman and Tyler Kui) Lab #1: Separation of a Mixture Mr. Mejia 10/3/14 Separation of a Mixture Lab Report Abstract The purpose of the experiment was to separate an initial heterogeneous mixture composed of 5.00 grams of salt‚ 2.00 grams of sand‚ 50.0 mL of water‚ 15.00 grams of pebbles‚ and 1.00 gram of iron filings‚ and leave as much salt as possible remaining. Using separation techniques including magnetizing‚ evaporation‚ filtration‚ etc. the heterogeneous mixture was thoroughly
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figure out what it is composed (by the various separation techniques) and teaches us the beauty of science. Determining the % mass composition of a sand-salt mixture can tell us how much salt is in our beaches and this is important in some ways. Equipment | Quantity | Safety Glasses | X1 | Beaker (250mL) | X1 | Stirring Rod | X1 | Filter Funnel | X1 | Filter Paper | X1 | Conical Flask | X1 | Electronic Balance | X1 | Sand-Salt Sample | Given Amount | Evaporating Basin | X1 | Bunsen
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the mixture. 4. The mixture was then slowly heated while being stirred consistently. Once white clumps (curds) were seen the burner was turned off. 5. The filtering apparatus was set up. 6. The mixture was poured into the filtering equipment until all liquid (whey) was separated from the curds. 7. The way was then poured into the sink. 8. Curds were then put back into their original beaker and one spatula of baking soda was put into the mixture. 9. The mixture was stirred and then
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Do not look directly at the burning metal! Do not stir or otherwise disturb the product in the crucible. When finished‚ discard the entire contents of the crucible into a designated beaker provided by the instructor. Keep hot equipment at safe distances and do not touch till it is has cooled for the instructed amount of time. G) Procedure/Observations: Procedure Observation Conclusion Place a crucible on a clay triangle balanced on a ring support clamped to a ring stand
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Remove the ‘’The Scientific Method’’ experiment bag from the LabPaq box. Actions Taken: I opened up my LabPaw box and sorted through the equipment to find the plastic bag labeled ‘’The Scientific Method.’’ 2. Remove the vials containing the six unknown substances from the experiment bag. Actions Taken: I removed the vials and placed them on my counter in order from 1-6. I then studied the
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Thursday 9/29/11 3:00pm Michaela Howard Partner: Craig Delancy Separation of a Mixture Containing Calcium Carbonate and Naphthalene Objective: Finding a method to successfully separate a mixture of calcium carbonate and naphthalene. Properties to be considered: Calcium Carbonate Naphthalene Solubility in water slightly insoluble Solubility in ethanol insoluble partially Melting point 825 degrees C 80.2 degrees C Boiling point decomposes 218 degrees
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AP Chemistry Dr. Istone Lab 3: Gravimetric Analysis of a Metal Carbonate Lab Objective: In this lab we will determine the identity of a group 1 metal carbonate compound by gravimetric analysis. The unknown is weighed and dissolved in water and the precipitate is filtered‚ dried‚ and weighed. From the data the formula weight and identity of the unknown metal carbonate is determined. Lab Procedure: 1. Set up the Bunsen burner and ring clamp‚ light the burner and heat the crucible
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B04 onion skin lab SNC 2D Name:______________________________ Lab: Investigation of the Structure of Onions Cells Purpose: To investigate the structure of onion cells and become familiar with some of the basic parts of a cell. This lab will also introduce you to the technique of preparing a wet mount slide. Materials: microscope pencil cover slips lens paper paper towels blank white paper ruler known field of views beaker tweezers glass slides eraser medicine dropper
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