and analytical balances. b. How did you do it? Briefly describe the procedures in 1 sentence. We calibrate a volumetric pipet and flask. We also calibrated a beaker and 50 mL buret. We also calculate the difference between the expected density and density obtained by our team. c. What happened? Briefly give the result (or results) of the experiment in 1 sentence. We noticed the calibration marks on the beakers were taken only to be an approximate guide to volume because the marks were placed
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Calibration of Volumetric Glassware Nur Farah Nabilah Binti Ahmed Zhaini Muhammad Imanuddin Bin Azman Maisarah Binti Alias Summary In this experiment‚ The purpose of this experiment is to investigate the measurement of the actual volume contents of volumetric glassware. In the beginning of the experiment‚ the volumetric glassware should be clean and dry before used. The volumetric glassware‚ measuring cylinder and pipette should be handled with care and all the precautions
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property have their own advantages and disadvantages as well. This process of expansion by cooling starts when the water temperature nears 4° C. The hydrogen atoms begin to line up into neat rows of six molecules‚ but the water retains the same density‚ except for the slight drop that is common with most matter just before solidification. Once the water temperature has dropped to 0° C‚ the rows of molecules connect at the ends to form an open-ended hexagon. Because of the empty spaces into the middle
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these systems and the modular functionality of the Servo gauges‚ you are provided with on-line information including: • • • • • • • Accurate liquid levels Accurate interface levels Accurate product and vapor temperature Volume Mass Temperature and density profiles Alarms All measured and calculated data and parameters are available for higher level systems (DCS‚ MIS‚ etc.) via an extended number of communication protocols. Outstanding Accuracy Enraf Servo gauges series ATG and XTG are microprocessor
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separate cream from dairy milk and coconut milk. 2. To measure the quantity and density of cream and skim milk. MATERIALS : Dairy milk powder and coconut milk. APPARATUS : 25 ml specific gravity (SG) bottles‚ 1 L beaker‚ thermometer. PROCEDURES : Clean the machine ↓ Assemble machine ↓ Switch on machine ↓ Pour sample into feed receptor ↓ Collect cream & skim ↓ Record the quantities (skim and cream) ↓ Measure density (cream and skim) using SG bottle. DISCUSSION : In this experiment
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deeper under the sea the density of the water does not change‚ and this means that if the submarine’s buoyancy is less than its weight at one depth it will also be less than its weight at any other depth‚ and so‚ unless other forces are involved‚ when water is let into the air tanks the submarine will sink right to the bottom of the sea no matter how deep it is. A submarine is kept level at any depth by maintaining a balance between the air and water. The submarine’s density must be equal to the surrounding
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(PIPAC) to know its ethanol content. Based on the testing done‚ only .5% of the volume of the product is ethanol. After the testing‚ the intrinsic properties were computed. Using the formula for density‚ D=mass/volume‚ 47.4 g/ml was obtained. For the specific gravity‚ the formula SG=density of the liquid/density of water‚ and .79 was
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Student Instructions: Why does a hot air balloon float even though it is so heavy? Hot air balloons float because the buoyancy force of the hot air is more than the weight. Buoyancy occurs because the hot air has a lower density than the cooler outside air. This lower density air weighs less than the air it replaces and that difference is the buoyancy. What makes balloons float when they are full of air but not float when they are deflated? Balloons float when they are full of hot air because
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Instructions: 1. Why does a hot air balloon float even though it is so heavy? Hot air balloons float because the buoyancy force of the hot air is more that the weight. Buoyancy occurs because the hot air has a lower density than the cooler outside air. This lower density air weighs less than the air it replaces and that difference is the buoyancy. 2. What makes balloons float when they are full of air but not float when they are deflated? Balloons float when they are full of hot air
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tanks to raise density and allow the submarine to sink and it also pumped out to reduce density and hence allow the submarine to float. The tanks can be filled with water and air‚ which allows the submarine to sink or rise in the water. When a submarine is floating‚ its ballast tanks are filled with air‚ which makes it less dense than the sea water it displaces hence allowing it to float. Submarines sink when water is let into the ballast tank. This is because the submarine’s density becomes greater
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