The Floating Egg Problem Introduction: This experiment was constructed to aid in the practice of using the volumetric system and the glassware that determines volume. Volumetric glassware contains an accurate amount of liquid and also measures the volume accurately. Density is a measure of how much matter takes up a certain amount of space or volume. The more matter you can pack into a certain space‚ the denser it is. Although we often confused the two‚ density and weight are actually two
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appliances and is used in commercial kitchens. Fires involving cooking fats and oils (classified as class K (US) or F (Australia/Europe/Asia)) burn hotter than flammable liquids‚ rendering a standard class B extinguisher ineffective. Flammable liquids have flashpoints under 100 degrees Fahrenheit. Cooking oil is a combustible liquid since it has a flashpoint over 100 degrees. Such fires should be extinguished with a wet chemical extinguisher. Extinguishers of this type are designed to extinguish cooking
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MEA solvents approved the higher reactivity of PZ solvent. According to the thermal energy requirement for solvent regeneration‚ PZ process consumed less energy than the MEA process and this result demonstrated another advantage of PZ over MEA. The liquid absorbent in PZ process has higher cyclic loading than in MEA process which will lead to a lower heat requirement in PZ process. Moreover‚ PZ process has high absorbent loadings that resulting in high performance of the regeneration process of PZ
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(g/mL) for liquid samples of matter. For that reason if the volume is known of a liquid‚ determining its density is easily determined by weighing it accurately. Density can also be used as a tool for finding the concentration of solutions in some cases. The density is different in a substance when a substance is added to a pure liquid to when both the solute and solvent were separate all together. There are many ways to determine density. This method determined the density of a liquid by weighing
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the thrust exerted on the large plunger? (400 N) c) How much work is done by the operator‚ if the smaller plunger moves down 0.1 m? (2J) 4. In a given U-tube open at left end and closed at right end‚ if the pressure above the liquid in the right arm is p‚ find the value of p. Given d2 = 2 x 13.6 g/cm3 d1 = 13.6 g/cm3. Atmospheric pressure pa = 76 cm of Hg. 5. What will be the length of mercury column in a barometer tube when the atmospheric pressure is 75 cm of mercury and
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teaching chemical density‚ people often allude to a substance’s tendency to sink or float. This is technically incorrect. A much better analogy is whether a substance mixes with another substance or not. In the case of the lava lamps three different liquids are used – water‚ vegetable oil and food coloring. Oil is less dense than water so it does not mix with the water. Food coloring is denser than water‚ so it drops through the oil and settles in the water mixing with it. The chemical reaction is a
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Singapore Polytechnic School of Chemical and Life Sciences Basic Mathematics [MS2125] Active Learning Assignment Part I Submitted by: Yap Xin Yi (1416237) Yjasmin Yvette Morales Naquila (1452129) DCHE/FT/1A/06 Date of submission: 18 July 2014 Q1. Fill in the table below: (The table below is to help you in your brain-storming; you do not need to be specific or accurate at this stage‚ but try to think divergently.) (5 marks) What do we know about this problem? (i.e. what information is
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0 C and some molecules at 100 C for a brief period of time. This explains why wet stuff at room temperature (25 C) can dry out: over time‚ some of the molecules reach a temperature sufficient to "break free" from the liquid‚ becoming a gas. This isn’t limited to liquids either! Even ice in your fridge will lose molecules‚ leading to the puzzling "shrinking ice cube" effect and the ever popular "freezer burn" where $10 sirloin steaks are reduced to dried out slabs of meat. Now‚ I’ll answer
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2102ENG : Soil Mechanics Hydrometer Analysis Semester 2‚ 2012 Introduction: The hydrometer test is an application of Stokes Law‚ which in essence states that larger particles fall more quickly in a suspending fluid‚ while finer particles remain in suspension longer. The time at which the hydrometer readings are taken determines the size of particle remaining in suspension‚ while the reading on the hydrometer determines the amount of that size. Aim: This
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from the stove. Strain the mixture through a strainer. Discard the skins and put the liquid in a clean container. 5)Cover the container and keep it in the refrigerator. For our lye 1. Get the ingredients and equipments ready: You would need the following things to try your hand at making lye: two plastic buckets (a small one and a large one ? The small one should fit into the large one in such a way that liquid from the small one drips slowly into the large one); some fresh ash from burning hard
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