Aggregate Nominal Maximum Particle Size: 25mm(1in.) SSD Bulk Specific Gravity: 2.53 % Absorption Capacity: 3.47% Dry-Rodded Density: 1.543 g/cm3 Fine Aggregate SSD Bulk Specific Gravity: 2.700 % Absorption Capacity: 3.54% Fineness Modulus: 3.09 1.Determine densities of all materials to be used: ρ = G x ρw Material Specific Gravity x ρ w Density (kg/m3) Water 1 x 1000 1000 Cement 3.15 x 1000 3150 SSD Coarse Aggregate 2.53 x 1000 2530 SSD Fine Aggregate 4
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50mL graduated cylinder 2.6cm Height of 50mL graduated cylinder 9.9cm Water temperature 23 degrees C Initial volume of water in 50mL graduated cylinder 10.2mL Mass of water in the 50mL graduated cylinder (remember‚ 1 g of water weights 1mL since its density is 1 g/mL) 10.2g Volume of water and aluminum shot in 50mL graduated cylinder 18.3mL Mass of aluminum shot (given on outside of packet) 20.07g B. Follow-Up Questions (Show all calculations) Part I (Each question is worth 8 pts.) 1. If two experimenters
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the experimental density +/- uncertainty bar D is 11.2+/- 0.6 g/mL. The theoretical density information was founded in General Chemistry Laboratory Manual for CSU Bakersfield‚ CHEM 211‚ 3rd ed. Buschhaus‚ M. 2015. Each experimental identification described was strongly supported by there experimental densities +/- uncertainty and by only being off by 0.06. Both results come out in range of what is being searched for. The bars still have a little more play room with their densities and will still be
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force‚ more commonly known as buoyancy. A solid object’s density determines whether or not the buoyant force of a liquid can lift it. The density of an object depends upon its weight and its size. Given two solid objects that are different sizes‚ but weigh the same‚ the smaller‚ more compact object is the denser of the two. Fluids also have density. When an object is placed in the fluid‚ it pushes aside some of the liquid and‚ if its density is greater than that of the fluid it displaces‚ it will
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concrete) aircrete has a low density and excellent insulation properties. The low density is achieved by the formation of air voids to produce a cellular structure. These voids are typically 1mm – 5mm across and give the material its characteristic appearance. Blocks typically have strengths ranging from 3-9 Nmm-2 (when tested in accordance with BS EN 771-1:2000). Densities range from about 460 to 750 kg m-3; for comparison‚ medium density concrete blocks have a typical density range of 1350-1500 kg m-3
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9/22/13 I: Design Title: The Mass of Quartz Purpose: To determine the density slope for water and alcohol and apply the understanding to determine the volume of a quartz sample without measuring the volume or calculating it. Hypothesis: The hypothesis of this lab was by using the density of alcohol we could calculate the density of a quartz samples. Controls and Variables: Independent variable: Volume of water and alcohol Dependent variable: The weight of the liquid or solid Controls:
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order make better decision under uncertainty Strengths of decision tree analysis Decision tree analysis will show all the alternatives‚ probabilities‚ costs and the possible outcomes that are not even consider by the company. The company can add the possible scenario into decision tree diagram‚ through the diagram can calculate the expected values and a probability distribution in more complex situations and the attributes can be chosen in any desired order (Kirkwood‚ 2002). Weaknesses of decision
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at the bottom layer. This make sense because the density of water is 1000 kg/m3 is more dense than n-butyl chloride (880 kg/m3) and so we can say that water would be the bottom layer that’s why when water droplets was added in‚ the water dissolved at the bottom layer. Tube number 2 (water and n-butyl bromide)‚ after adding few drops of water‚ the bottom layer form a droplet. This make sense because again‚ density of water is 1000 kg/m3 while density for n-butyl bromide is 1276 kg/m3 so n-butyl got
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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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