pencil is used rather than a pen to mark the “starting line” in step two because a pen or marker while be used to place a small dot of ink in the center of the X that is made with a pencil. 2. Capillary action is filling of pores in a solid with a liquid. Capillary action is caused by spotting or absorption and is allowed to seep or flow through. 3. The type of pen that will probably give better separation in this paper chromatography experiment with water as solvent is the permanent marker because
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so much so that the water vapour in them turns into liquid. This happens at around 55°C. For a boiler to cool the flue products this much‚ it has to have a larger‚ more efficient heat exchanger than traditional boilers. This does mean that condensing boilers cost a little more‚ but the resulting fuel savings mean the extra cost will normally be recovered in 2-4 years. There is also another benefit obtained by the water vapour turning into liquid; it gives up energy‚ which is called latent heat. This
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into water? Water is actually made up of lots of tiny particles. These tiny particles move around in water when it is in its liquid form‚ but as the temperature gets lower these particles slow down and hardly move. When it gets cold enough they stick together and then what was once a liquid has now became a solid we all know as ice. Ice turns into water‚ back to a liquid‚ when the temperature of the ice cube is rising which cause the particles in the ice to move faster and is the converted into
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2. Experiment 2.1. Cold Plasma Jet System This research used a cold atmospheric pressure plasma jet system with an inclined style of treatment (gradient = 45o) as shown in Figure 1. This system was developed based on Teschke et al.32 Medical-grade argon gas (99.999% purity) produced by the Samator Company (Indonesia) was used as a carrier gas. Two aluminium foil ring electrodes were used around the quartz tube for this system. It had a quartz tube with a 1.5 mm inner diameter and a 2.7 mm outer
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Anise oil was successfully able to be extracted from anise seeds during this experiment. It was done by first crushing the seeds‚ then placing them into a distillation apparatus. The distillation apparatus evaporated the liquid from the seeds‚ which was captured in a flask. Next‚ DCM was added to the distillate‚ which allowed the water to be separated from the anise oil. Finally‚ the DCM evaporated and the pure anise oil was collected. The process of steam distillation allowed the anise oil in
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Fracking is a contemporary method of extracting oils and gases that has become quite the vexation for many societies around the world. Fracking is the process in which liquid is injected at a high-pressure rate into different forms of rocks in order to forcefully open exiting fissures in order to extract oils or gases. During this process‚ water‚ sand and chemicals are inserted into the rock at high pressure; this part of the process allows the gas to flow to the head of the well and outward. Geological
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chemists not only to identify the compound‚ but also to establish its purity. To determine the melting point two temperatures were noted. The first was the point at which the first drop of liquid formed among the crystals; the second was the point at which the whole mass of crystals turned to a clear liquid. And the melting point was recorded from this range of melting (Pavia‚ 2005). The melting point indicates purity in two ways; the purer the material‚ the higher its melting point. And‚ the
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5.05 Ink Chromatography Basic Lab Components Background Information and Research: 1. Paper chromatography type of method that is used to separate mixtures of substances from a solution. 2. There are many uses for paper chromatography‚ especially concerning the fields of chemistry and biology. One use is to allow scientists to detect any sort of contaminants is rainwater. Another use is to identify clues at a crime scene such as blood‚ ink‚ or drugs. However‚ the more common use is to
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duration. Using cloudy groundbaits or boilie crumb can draw those carp down to your chosen hookbait much quicker from all layers of the water. Essentially attracting the carp not feeding them‚ so it means you will possibly get more bites. Liquids/oils Like crumb‚ liquids are great
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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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