chopper (food processor or blender) 12 - quart-size wide mouth glass canning jars w/lids large funnel w/strainer built in (fruit strainer) 1 gallon glass jug w/tight-fitting screw-on cap funnel big enough to hold a coffee filter coffee filters electric hotplate heat spreader pan to use as double boiler cooking thermometer 500 ml Pyrex flask w/one-hole stopper small ice bucket or plastic container large plastic tub Liebig condenser bag of ice water circulation pump potholder or cooking glove glass Pyrex
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CATERING GCSE Section 1: The Catering Industry 1. Name 4 sectors of the catering industry and give examples. 2. Give the roles and responsibilities of: a. Head Chef/ Catering Manager b. Restaurant Manager 3. What is the Kitchen Brigade and Restaurant Brigade? 4. What is the Health & Safety Act 1974? What are the responsibilities of: a. The employer b. The employee 5. What are the most common causes of accidents in the catering industry? 6. How can accidents be prevented
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Title Soda Ash: Great for the economy but detrimental to the body; So why is it involved in everyday life? Abstract Sodium carbonate‚ Na₂CO₃‚ commonly known as soda ash is used in the manufacturing of many economically important products such as the manufacturing of glass‚ chemicals‚ paper and detergents. Since sodium carbonate has a strong base‚ it is commonly used to neutralize acidic effects. Soda ash has a high pH in concentrated solutions and can irritate the eyes and skin as well
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Nitration and Purification of Bromobenzene Abstract: An electrophilic aromatic substitution reaction was performed on bromobenzene with nitric acid producing both 2-bromonitrobenzene and 4-bromonitrobenzene. Products of the reaction were purified through multiple recrystallizations and column chromatography creating multiple crops of a yellow powder. The percent yield of products was determined to be 51%. The melting point of Crop 1 was found to be 110-115 °C‚ and Crop 2 was found to be 37-90
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Separating Acids and Neutral Compounds by Solvent Extraction Introduction The purpose of this experiment was to use solvent extraction techniques in order to separate a mixture consisting of a carboxylic acid (p-toulic acid)‚ a phenol (p-tert-butylphenol)‚ and a neutral compound (acetanilide). Extraction is the process of selectively dissolving one or more of the compounds of a mixture into an appropriate solvent‚ the solution that contains these dissolved compounds is called an extract (Manion
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form salicylic acid through nucleophilic acyl substitution. Procedure: Dissolve 12 g NaOH in 70 mL water in a 150 mL round bottom flask. Add 5.0 mL methyl salicylate and reflux the reaction mixture at its boiling point for 15 minutes using a stirrer hotplate and stirring bar. Cool the mixture to room temperature. Carefully add 3 M H2SO4 in 1 mL increments until a white precipitate forms and remains when the mixture is stirred. Add 0.5 mL more acid to ensure complete precipitation of salicylic acid. Cool
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EXPERIMENT SIX - ANALYSIS OF STOMACH ANTACID TABLETS Purpose In this experiment you will measure the amount of stomach acid consumed (or neutralized) by various antacid tablets (Maalox‚ Tums‚ Rolaids: no Pepcid or Tagamet!). If you have a favorite one‚ bring a package to the lab (one color only). Inside your stomach‚ excess hydrochloric acid is neutralized by the antacid. Different antacids use different metal hydroxides‚ such as Al(OH)3 or Mg(OH)2. The general formula for this reaction
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Hydrates Analysis NAME:_____________________________________ PERIOD:_________ Prelab 1. A 6.00g sample of calcium sulfate hydrate (CaSO4.x H2O) is heated until all the water is driven off. The anhydrous compound has a mass of 4.77 g. Calculate the value of x in the formula. 2. For the data in problem number 1 above‚ what is the mass percent water in the hydrate? 3. Calculate the number of grams of water that could be obtained by heating 2.00 g
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Red Cabbage Indicator Aim – To create a pH indicator out of a red cabbage solution and to construct a basic pH scale to determine the pH of unknown solutions. Materials - • red cabbage leaves • 250 mL beaker • hotplate or Bunsen burner‚ tripod‚ gauze mat and bench mat • 10 test-tubes – equal size • test-tube rack Methods - Part A: Making the indicator 1. Tear up one or two red cabbage leaves‚ and place them in the beaker with enough water so that the cabbage is just covered. 2. Heat the beaker
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Lesson Plan Title: Factors that Affect Rate of Dissolving and Solubility Overview‚ Expectations and Rationale 1. Big Ideas: • Properties of solutions can be described qualitatively and quantitatively‚ and can be predicted 2. Ministry Expectations: Scientific Investigation Skills and Career Exploration A1.1 - formulate relevant scientific questions about observed relationships‚ ideas‚ problems‚ or issues‚ make informed predictions‚ and/or formulate educated hypotheses to focus inquiries
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