The Effect of the Concentration of Sulphuric Acid on the Reaction Rate with Magnesium Sarah Cain SCH 4UB Mr. Lankin April 1‚ 2009 Introduction The nature of the problem is to design an investigation that examines a variable affecting the reaction rate. In this experiment‚ magnesium will be reacted with different concentrations of sulphuric acid. The reaction is shown by the following chemical equation: H2SO4 (l) + Mg (s) → MgSO4 (aq) + H2
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Fragrance Coloring Materials: Heating pan Spatula Molder Stainless Steel Thermometer Measuring cup Things you’ll need for safety: Safety Goggles Rubber gloves Mask Apron Cold Process Soap Making (Summary) Step-by-step instructions: Gather all your ingredients Wear safety goggles‚ mask‚ rubber gloves Prepare your molder Measure Sodium Hydroxide and Water Mix lye to distilled water Measure Oils Heat the oils then remove it from the
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are checked must also be communicated between the staff so that everyone knows when/if they have been checked and when they next need to be checked. Also when using the fume cupboard another practice to follow is the correct use of equipment‚ e.g. goggles‚ gloves and lab coats should be worn at all times when using the fume cupboard just in case the lab worker does come into contact with any
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Flame Tests By: Jordan Anthony‚ Zack Balog‚ and Evan Degraw Regents Chemistry class‚ Union Springs High School‚ 4th period January 19/2015 The purpose of this lab was to see what colors are characteristic of particular metallic ions in a flame test and use their characteristic color to identify other elements. Another purpose is to understand how fireworks work. This experiment will help one understand how a flame test is performed and that every metal has a unique bright
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Keyword: pop up camper roof rebuild Length: 1000 words Type: How to How to Do a Pop Up Camper Roof Rebuild Camping is one of the best activities anyone can do‚ may it be with family‚ friends‚ workmates‚ or even alone. What makes it great is how you can also camp with your car‚ as there are now pop up campers that can be installed to your pickup truck or RV‚ making it a more comfortable way to camp. But sometimes‚ the roof may end up being faulty‚ eventually breaking. If that’s the case‚ then
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disposable gloves‚ this can help to prevent contact with harmful substances. Employess should also wear disposable aprons‚ to help prevent hamrful substances from being carried on or in clothes. Some workplaces also require the use of eye protecion or goggles‚ if there is a risk of blood or harmful substances splashing into the eyes 2. Describe local and organisational policies relevant to the prevention and control of infection. The policies at the home I work in are the same as those above‚ and to ensure
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The affect of caffeine on Daphnia Heart rate Aim: To see the effect of caffeine on the heart rate of the water flea Daphnia. Introduction: Caffeine is a stimulant which is derived from leaves‚ flowers and seeds of plants. The plant uses the caffeine as a way to repel insects as it is used as a natural pesticide by paralyzing and killing certain insects. It is used as a stimulant to human the central nervous system by increasing the stimulatory of the neurotransmitters‚ however high levels
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Sports Medicine Georgia Smith Discuss the impact of climatic conditions on the body’s temperature regulation mechanisms and how they affect safe sports participation for athletes competing in the Tour de France. The Tour De France is a multiple stage bike-riding event competed in France every year. Starting on the 2nd of July at Passage du Gois and finishing at Champs-Elysées on the 24th of July. It consists of 21 daylong stages over a 23-day period. Based on the Tour de France in 2011
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“when visual and position senses are in conflict‚ people learn to adjust the sense of where parts of their body are so that visual and position sense no longer disagree” (Cole‚ 2013). If the visual field were to be interfered with (as it was with the goggles) the proprioceptive senses would adjust to fit the circumstances. However‚ the results obtained from the experiment conducted would
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Investigating Aspirin Aims Synthesize my own aspirin Analyse the purity of my aspirin samples (aspirin and recrystallized aspirin) compared to commercial aspirin by use of analysing melting points‚ TLC plates and colorimetry tests Investigate how pH effects the rate of hydrolysis of aspirin Background theory Making my own sample of Salicylic acid (to then be converted into Aspirin) Salicylic acid (2-Hydroxybenzoic acid) can be made by hydrolysing methyl 2-hydroxybenzoate. Oil
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