(0. C to 50. C ) [IMAGE] 4. Test Tubes [IMAGE] 5. Sodium Hydroxide [IMAGE] 6. Hydrochloric Acid Hydrogen atom Hydrochloric Acid molecule [IMAGE][IMAGE] Chlorine Atom [IMAGE][IMAGE] 7. Dropper 8. Goggles [IMAGE] 9. Teat Tube stand [IMAGE] PREDICTION:- I think that the acid of higher concentration
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Question/Problem: Does the pH level of an acid effect the amount of casein plastic is produced? Hypothesis: If lemon juice is used during this experiment‚ then more plastic will be produced. Research Methods and Conclusions: Materials: Goggles Gloves Mittens (for handling hot materials) Beaker tongs Apron 200 mL Lemon Juice 200 mL Distilled White Vinegar (5% acid concentration) 200 mL Orange Juice 200 mL Apple Cider Vinegar (5% acid concentration) 2‚400 mL Whole Milk Graduated
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the wild bay‚ Jerry doesn’t go through the tunnel mainly because — A his mother made him promise not to overdo anything B Jerry doesn’t know where the tunnel is located C Jerry can’t hold his breath long enough D without goggles‚ Jerry can’t see underwater ______ 6. The event that forces Jerry to decide that he will make his attempt to go through the tunnel occurs — F after he watches the local boys go through the tunnel for a
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facts that I wanted to determine were matches making the chemical reaction happen quicker or not. Materials: -Test Tubes -Chicken Liver -Sand -Ice -Glass Stirring Rod -Hydrochloric Acid -Hydrogen Peroxide Procedure: 1) Put on safety goggles 2) Get test tubes 3) Put chicken liver in 5 of 6 test tubes‚ an sand in all of the test tubes 4) Get beaker of Hydrogen peroxide with a dropper 5) Place all 6 test tubes in the empty beaker 6) Fill test tube #1 with sand and a piece of liver
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7:00PM-10:10PM SAC R-301 Office Hours: By appointment‚ before class or after class. Textbooks: 1) Foundations of College Chemistry‚ 12th Edition‚ Hein & Arena (required) 2) Laboratory experiments will be posted on Blackboard Required material: 1) Goggles are required‚ Scientific calculator and a periodic table of elements. Calculators: Calculators are expected to be used in class. You will be doing calculations during lectures and laboratory periods; especially during quizzes and exams. Your
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Temperature Pressure Materials: 1. Test tube‚ 18*100mm 2. Test tube holder 3. Graduated cylinder-10ml 4. Dropper pipet. 5. Bunsen burner 6. Safety goggles 7. Lab coat 8. 0.1 M AgNO3 9. Safety: Handle the hydrochloric acid with extreme care. Avoid spills on your skin or clothing. Always wear safety goggles and a lab coat or apron when working in the lab. Procedures Relative activity of some metals. 1. Add 5ml of 0‚1 M AgNO3‚ to a clean‚ dry tube. Add a piece of copper
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c) You should use the shower if‚ during a lab‚ chemicals splash or spill on you. In order to activate the shower you must simply pull on the lever. d) Safety goggles should be worn at all times during any lab. They offer protection for your eyes and are easy to use. All you must do is place the strap behind your head and pull the goggle over your eyes. e) The fume hood should be used whenever you are dealing with substances that release fumes. In order to use the fume hood‚ you pull the window
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toe numbing kind of cold. I stood watching my brothers racing down the hill.The wind was blowing even harder and snow was kicking up[. I put the goggles over my eyes so I couldn’t feel it. When it was my turn‚ I was thinking Okay. This is your last run. Make it count! I mounted onto the plastic sled one last time. Pulled my scarf up and my swimming goggles over my eyes. I was ready. “Okay.
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On the front cover of the graphic novel Watchmen‚ there is a yellow smiley face badge with blood spatter on it. In this graphic novel‚ the badge belongs to the character‚ Eddie Blake who also goes by the name Comedian. The Comedian was a member of the Minutemen and the Crimebusters. From the years 1971-1985‚ he wore this badge consistently. The badge did not always have the blood stain on it‚ it was not until he was attacked in his apartment one night. The attacker through the Comedian out the window
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starts any experiment‚ one should always read through the experiment procedures and make sure that one clearly understands all steps of the experiment. First‚ one must make sure the main gas is on. It is very important to put on one’s safety goggles and remember to wear them the entire time of the experiment. Once one has obtained a Bunsen burner‚ one must place the rubber hose‚ from the Bunsen burner‚ firmly onto the gas valve‚ that should be off at this point. One should also make sure that
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