Breaking up is hard to do – Separating Sand & Salt Purpose: The purpose of this experiment is to separate a mixture of sand and salt. Materials: Small beaker Electric balance Sand Salt Water Graduated cylinder Stirring rod Filter paper Flask Rubber policeman Wash bottle Funnel Bunsen burner complete with rubber tubing and a source of gas Hot hands Insulator pad Ring stand complete with a ring Wire gauze Striker Pre-lab Questions: 1. Water will be useful in separating the salt and sand because
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Stay Woke: Why Donald Glover Should Receive the 2018 Living Legacy Award The afternoon glow of the sun shines through a bedroom window illuminating a child hunched over his cassette recorder. The year is 1993 in a small town in georgia. He uses a variety of silly voices to create his own plays to pass the time. Approximately twenty three years later‚ The sun now beats down on the same boy as he stands behind stage in the Mojave desert. Sporting an outrageous outfit he modeled off of traditional
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Transducers‚ Sensors & Displays Systems (TIC-502) Unit 1. Topic GENERALISED CONFIGURATIONS‚ FUNCTIONAL DISCRIPTION & PERFORMANCE CHARACTERISTICS OF MEASURING INSTRUMENTS: Functional elements of an instrument; active & passive transducers; analog & digital modes of operation ; null & deflection methods; I/O configuration of measuring instruments & instrument system – methods of correction for interfering & modifying inputs. Static characteristics; Meaning of static calibration‚ accuracy‚ precision
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(25 mL)Filter paper (Whatman No. 1—three 12.5 cm sheets)Sodium chloride/charcoal mixture (4 g)Sodium chloride/copper(II) chloride mixture (8 g)Ethanol (25 mL)Distilled waterBoiling chipProcedureA Separation of a Sodium Chloride and Charcoal Mixture#1 Place 4 g of the salt/charcoal mixture in a 100 mL beaker and add about 15 mL of distilled water. Stir the mixture for about two minutes to allow the salt to dissolve. #2 Set up a filter funnel with filter paper on a filter funnel stand. Filter the mixture
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go outside. This shows how a stimulus can affect an organism’s behavior and what they do. Hypothesis: For my hypothesis I wrote‚ "If the pill bugs are in the petri dish with the other chemicals then they will go to the filter paper where the sugar is more so then the other filter paper that has chemicals on it". I choose this hypothesis for many reasons. First off‚ I know that most organisms‚ bugs‚ insects‚ etc… like sweet and sugary tasting things. I know this because I always
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how far each compound traveled to how far each solvent (substance that dissolves another substance) traveled during the experiment. Rf = Ds/Df Ds = Distance traveled by the compound Df = Distance traveled by the solvent Materials: coffee filter‚ tape‚ rubbing alcohol‚ water‚ 3 different color magic markers (not permanent); 3 identical tall‚ narrow drinking glasses; metric ruler‚ 3 pencils Pre-lab Questions: 1. List one extensive and one intensive property of marker ink. Extensive
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One way that Eric Walters was able to confirm relationships are important to a person’s life was through the interaction between Jed and the injured eagle he found. Earlier in the story‚ Jed explains to the reader how much eagle’s mean to him and to his Tsimshian culture. “ An eagle is more than a bird‚ it’s part of our heritage and history” (Walters 47). So‚ naturally‚ when Jed noticed a bullet hole through its body‚ he felt the obligation to nurse it back to full health. During this time‚ Jed became
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Goggles Method: 1. Gather Apparatus and the mixture of Iron‚ CaCO3 and NaCl. 2. Weigh beaker and mixture. 3. Use magnetic separation to remove Iron filings. 4. Set up retort stand and add filter paper to the filter funnel. 5. Put the rest of the mixture into the filter funnel and add water slowly to filter out the water and dissolved NaCl. 6. Evaporate the filtrate to dryness. 7. Put the CaCo3 into a dish and put on a hotplate to dry to a pure substance. 8. Once all substances are in their
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reaction mixture * Folding the filter paper * Pouring the reaction mixture into the filter paper in the funnel * Placing the product on the paper towels to dry Experimental Step | Observations | Mass of CaCl2•2 H2O used (grams) | | Mass of Na2CO3 used (grams) | | Net mass of mixture‚ grams | | Appearance of mixture when the reactants are mixed together | | Mass of filter paper (grams) | | Appearance of dry product | | Mass of filter paper and dry product (grams) |
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avoid moisture affect the motor and shorten the life span. 5‚ cleaning water filters‚ sometimes produce some dry precipitate thus weakening the results‚ with the flow of water to clean the filter. 6‚ water tank empty‚ especially not when the cleaning operation every day‚ or no flow of water will become a source of bacteria. 7‚ a regular check water filter‚ sometimes because of water contamination of the filter is blocked‚ resulting in the floor cleaning process‚ the impact of the water flow
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