added to the baking soda‚ the reaction let out a smell and it started bubbling and gas came out. The reaction also rose‚ and changed its color 2. Evaluating Conclusions. Was the law of conservation of mass really violated in Part 1 as it appeared? Explain your answer. Yes‚ the law of conservation of mass was violated in Part 1 because the experiment was not conducted like Part 2 which was sealed. The experiment was held in the open which allowed the mass to decrease when the baking soda and
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mixture. Once they started‚ they all looked at its physical properties. Then the scientists thought about the chemical reactions‚ and how that will help the claim the scientists had. More than half of the scientists thought it was baking soda and citric acid. When combining baking soda and citric acid together‚ the physical properties are very similar. Mystery mixture has a variety of sizes from the crystals with powder over it. Also from the powdery substance in it. There is no exact size for the mystery
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Case Report: Kristen’s Cookie Company Do Tra My – Section 24 1. Process Analysis: The flow chart is included in the Appendix Task Order Entry Wash+Mix Spooning Setting Baking Cooling Packing Accepting Payment Total Resource None You You Roommate + Oven Oven None Roommate Roommate Cycle Time (mins/dozen) 0 6 2 1 9 5 2 1 26 Capacity (dozens/hour) Infinity 10x3=30 30 60 6.67 12 30 60 Flow Time (mins) 6 2 1 9 5 2 1 26 Table 1: Process Analysis Assumptions: Order is for a full box (a dozen cookies)
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• • • • • • • • • • • • 2 one-ounce medicine cups Safety goggles Plastic spoon (reuse) Basket-type coffee filter 2 9-once clear (reusable) plastic cups 3-quart package of powdered non-fat milk 1 ½ cups vinegar 8 ounce box of baking soda set of measuring spoons Measuring cup Hot water (1/3 – ½ cup) Plastic or newspaper (to cover table if necessary) Paper for gluing Towels for cleanup Levels Middle School (Use as a demonstration for elementary school) Vocabulary
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vinegar‚ hydrogen peroxide‚ and oil was tested to identify the physical and chemical properties of these liquids. Acetone usually used as nail polish remover dissolves plastic. Vinegar used in cooking and as a condiment begins to fizz when mixed with baking soda. Hydrogen peroxide usually used as a disinfectant reacts to iodine solution and starts to bubble. Oil is used to keep food from sticking to non food surfaces and
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is then mixed by the one existing processor until ready to be placed on one of the three available baking trays. Each baking tray can hold one dozen cookies. The tray or trays are then ready to be placed in the one working oven in the apartment. The one tray fully prepared with one dozen cookie dough is then placed in the pre-heated oven. The company has only one oven capable of cooking one baking tray at a time. If additional trays are prepared‚ they will be placed in a specified waiting area until
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sugar 4 eggs‚ at room temperature 2-3/4 cups all-purpose flour 2 teaspoons baking soda 1/2 teaspoon baking powder 1/2 teaspoon salt 1-1/2 teaspoons vanilla extract Chocolate Cake Directions: 1. Preheat oven to 350 degrees F. Grease and flour three 9-inch cake pans. 2. In a medium bowl‚ stir the boiling water into the cocoa until smooth‚ and set aside. 3. In a separate bowl‚ combine the flour‚ baking soda‚ baking powder and salt‚ and set aside. 4. At medium speed of an electric mixer‚
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(see question 1). But the next orders only take 10 minutes. We can explain that by the fact that first we are obliged to do the whole operation. Then the mixing(6min) and the dishing(2min) can be done will an other dozen is baking (10 minutes). In the same reasoning cooking‚ baking and paying can be done when another dozen of cookies is backing. So‚ for 4 hours (=240 minutes)‚ we can write the following equation: 240 = 26 + 10*(x-1) where we can find x = 22‚4 minutes as solution. That means that in
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together in a sauce pan from the 1970’s‚decorated in psychedelic orange and yellow mushrooms “Now don’t mix too fast be‚ be gentle make sure all the shininess is gone then you know it’s done.” This is my best memory of baking with my nana‚ she taught me everything I know today about baking. It’s my favorite thing to do and it’s also hers even now that she is getting older and she can’t stand for a long time and her back bothers her she still finds a way to make us pies for christmas‚ easter‚ and every
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the frosting 150g/5½oz unsalted butter‚ at room temperature 45g/3 tbsp caster sugar 300g/10½oz full fat cream cheese Preparation method 1. For the cake‚ preheat the oven to 180C/350F/Gas 4. Grease and line a deep‚ 20cm/8in round cake tin with baking parchment. 2. Break the eggs into a bowl‚ and lightly whisk using a fork. 3. Add the vegetable oil to the eggs and whisk again. 4. Add the grated carrots‚ raisins‚ walnut pieces and orange zest. 5. In a separate bowl‚ sift the flour‚ mixed spice
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