of mercy‚ is the term used to describe a specific class of serial killer. These murderers act in medical or hospital settings and are usually doctors or nurses who kill patients instead of helping them. Often they chose defenseless victims such as the elderly or terminally ill‚ and sometimes their targets are even children. This type of serial killer can easily be a man or a woman as the methods they use are not typically violent. Their means of killing often include methods such as administering
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On the first part of the experiment which is the determination of specific heat of metals. The obtained value of experimental specific heat of metal of aluminum and copper are 0.2152 calg-℃ and 0.0958 cal g-℃ ‚ respectively. It is a must to work faster in performing this experiment because working in an air-conditioned room greatly affects the result of the temperature. For the temperature values‚ the final temperature of mixture should not increase more than 1 ℃ compare to its initial temperature
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Mixtures and Solutions can often become confusing because solutions are mixtures‚ but not all mixtures are solutions. A mixture can either be homogeneous or heterogeneous. A homogeneous mixture is where the mixture’s components are distributed uniformly within the mixture. A heterogeneous mixture is where the components are not uniform. Mixtures can either be miscible or immiscible‚ the difference being whether or not the mixture forms a homogeneous mixture or not. In a solution a solute is soluble
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with the methods of separating substances from one another using decantation‚ extraction‚ and sublimation techniques. Most materials in our surroundings are mixtures of two or more substances in which each substance retains its own chemical identity and therefore its own properties. Mixtures are either homogeneous or heterogeneous. Mixtures that don’t have the same composition‚ properties‚ and appearance throughout the mixture are called
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Heat transfer Heat transfer is the transition of thermal energy from a hotter object to a cooler object ("object" in this sense designating a complex collection of particles which is capable of storing energy in many different ways). When an object or fluid is at a different temperature than its surroundings or another object‚ transfer of thermal energy‚ also known as heat transfer‚ or heat exchange‚ occurs in such a way that the body and the surroundings reach thermal equilibrium‚ this means that
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Analysis of an Unknown Mixture Performed: 2/13/14 Submitted: 3/3/14 Abstract: The purpose of this experiment was to separate and identify the two unknown compounds. The sample used was 105 and it contain 2-propanol and 2-heptanone. IR spectrums were taken of the contents of the second and sixth test tubes and showed the presence of an OH functional group and a small amount of ketone in test tube two and a large presence of ketone in test tube six. The average boiling points of the test tubes
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to the concept of Mixture Ginataang Adobong Manok sa Piña with cheese and chili is a healthy and fine delicacy that contains variety of mixtures. In terms of the food as a whole‚ it is considered as a suspension. It is a heterogeneous mixture of a solid and a liquid wherein the solid‚ which is the chicken‚ does not dissolve in the liquid which is the sauce. In terms of its sauce‚ it could be considered as a colloid mixture because it has a cloudy appearance containing a mixture of the soy sauce‚
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Separating a Mixture Aim: To separate the components of a mixture of sand and salt. To carry out a gravimetric analysis to calculate the percentage of both components. Equipment: * Electronic Scale | * Evaporating Basin | * Beaker | * Bunsen Burner | * Glass Stirring Rod | * Filter Funnel | * Wire Gauze Mat | * Filter Paper | * Heat Resistant Mat | * Conical Flask | * Safety Glasses | * Tripod | * Matches | Tongs | Risk Assessment:
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out of a mixture and purifying them through sublimation and recrystiliation‚ changes in the substances physical properties can be shown. A salicylic acid-naphthalene mixture was mixed together with diethyl ether and saturated sodium bicarbonate. Two layers separated and were extracted after acidifying with HCl. This precipitated the crude salicylic acid. The left over mixture was combined with water and the two layers separated where crude naphthalene was recovered. Sublimation was used to purify
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Determining Capacity Requirements Capacity planning decisions involve both long-term and short-term considerations. Long-term considerations relate to overall level of capacity‚ such as facility size; short-term considerations relate to probable variations in capacity requirements created by such things as seasonal‚ random‚ and irregular fluctuations in demand. Because the time intervals covered by each of these categories can vary significantly from industry to industry‚ it would be misleading to
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