molecules from staying ice faster‚ consequently raising the temperature of the solution‚ than lower density salts would. . The data I collected shows potassium chloride‚ which has a density of 1.98 g/㎤‚ increased the solution’s temperature at a faster rate than any of the other solutions. Using the data I collected‚ I can unequivocally state that my data did not support my hypothesis. Potassium chloride had the fifth highest density out of the seven salts I used in my experiment. The highest density
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Paragraph I In the study conducted by Haines‚ Cambon & Hull (2003)‚ they examined the impact of temperature change from 294 to 1073K on the structural development of FePO4. Initially‚ at low temperature‚ FePO4’s structure is of tetrahedral. This α-quartz structure is illustrated in the following diagram. However‚ as temperature increases‚ the tilting of the tetrahedral angles began to drop. This continues as it approaches 980K to the β-phase‚ where it gradually forms an octahedral structure. In
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SPECTROPHOTOMETRIC DETERMINATION OF THE EQUILIBRIUM CONSTANT OF A REACTION Methodology The following stock solutions were prepared: 1.0 M HCl‚ 0.1 M HCl‚ 0.1 M KSCN‚ 0.002 M KSCN (in 0.1 M HCl)‚ 0.2 M FeCl3 (in 0.1 M HCl)‚ and 0.002 M FeCl3(in 0.1 M HCl). Using the prepared stock solutions‚ the standard (Table 1) and Unknown (Table 2) solutions were prepared. Table 2. Preparation of Standard Solutions 0.10 M KSCN 0.002 M FeCl3 0.1 M HCl Blank 2.0 ml 0.0 ml 8 ml S1 2.0 ml 0.1 ml 7
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2.3 Amorphous forms‚ solid dispersions and cocrystals. Stable crystal forms of drugs pose problem in solubilization due to higher lattice energy. So‚ in regards to solubility‚ disordered amorphous forms provide distinct advantage over crystal forms. Hence‚ changing the solid state characteristics of pharmaceutical API renders the molecule more water soluble. But‚ excess of enthalpy‚ entropy and free energy of amorphous forms make them prone to crystallization leading to the formation of stable crystals43
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The goal of this experiment was to discover the influences of various levels of punishment magnitude on extinction as indicated by Sniffy the rats’ bar pressing. This experiment conducted three different experiments to determine these results‚ all of which involved continuous reinforcement to teach Sniffy to learn to press the bar for food pellets. It was predicted that Sniffy is likely to learn to extinguish the behaviour that is learned faster when the level of punishment is higher. The first experiment
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First Ionisation energy is the measure of energy needed to remove a mole of electrons from a mole of gaseous atoms to form a mole of positively charged gaseous ions‚ also known as a cation. The general trend is that as the atomic number increases between elements Lithium to Neon the level of the first ionisation energy increases‚ as there is a stronger nuclear attraction. [Braid‚ K. et al. (2015)]. The stronger nuclear attraction along the period is caused by the number of protons increasing. When
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Cylinder choke is an unconstricted barrel and the shot pattern spreads quickly. Improved Cylinder choke has a slight constriction. It allows the shot pattern to spread fairly quickly. Modified choke has moderate constriction. The shot stays together longer‚ making the pattern denser and more useful at longer ranges. This choke is used often for dove hunting and is the preferred choke when using steel shot to hunt for ducks or geese. This is because laws require waterfowl hunters to use steel shot
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Our task was to look over 6 properties of the elements and determine if they follow a periodic trend or if they do not. A periodic trend increases or decreases across both a period and down a group. A quasi-periodic trend does not follow a periodic trend. The quasi-periodic trend is a trend that increases or decreases down a group. Our guiding question was Which properties of the elements follow a periodic trend? To discover the trends for each property of the elements‚ my group and I graphed
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Fig. 7A displays the amperometric response of Ag/ZSM-5/CPE with successive injection of OA into a stirred solution of 0.1 M NaHPO4 pH= 2 recorded at the potential of 0.73 V vs. Ag|AgCl in the concentration ranges from 16 μM to 4.0 mM. It can be seen that the aerometric current increases clearly after each injection of OA. Fabricated sensor displays the rapid response towards change in the concentration of OA which reaches a steady state within 2 s by applying the potential of 0.73 V to Ag/ZSM-5/CPE
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Working With Change at Perrier 1 Working With Change at Perrier [no notes on this page] -1- Working With Change at Perrier 2 Working With Change at Perrier Resistance to change is more than just an unwillingness to cooperate and accept implement changes. It involves behavioral and cognitive factors that define how a person feels and what they think about the change. Resistance to change is a common occurrence; however‚ people also have an understanding of the change
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