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    Vapor Pressure Lab

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    The CEO of a large perfume factory needs to know the best way of safely transporting n-hexanol, which is used in manufacturing perfumes, to his factories. Therefore, the purpose of this experiment was to find the most beneficial way to transport an alcohol. Specifically, if transporting n-hexanol in hot or cold temperatures works best or if another alcohol should be used. A volatile liquid is a liquid that evaporates readily at room temperature or a liquid that has a measurable vapor pressure. Vapor pressure is the equilibrium pressure resulting in the evaporation of a liquid in a closed container.1 It is important to know the vapor pressure of a volatile liquid because the higher the vapor pressure, the faster the liquid evaporates.2 So…

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    Steel pressure tanks are very strong as they were designed to withstand a great amount of internal pressure. Because of this, it is not unusual to find that many of the larger, steel pressure tanks have been converted into unique structures or repurposed for other uses. Some of the larger steel pressure tanks have been converted into unusual, multilevel round houses. Some of these houses are elevated, while others are ground level or subterranean. Steel pressure tanks have also been adopted…

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    force. Pressure and volume is indirectly related though, meaning that if volume goes down pressure goes up. For a can to implode it has to be filled with a liquid like water, then it has to be put into a hot plate where all the water evaporates. As this happens all the air that was first inside the can which is nitrogen and oxygen is pushed by pressure that was created by the sharp increase in kinetic energy and temperature when the water evaporated, causing the air to leave the can, only…

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    humidity is the level of water vapor present in the air, thus higher levels of humidity will reduce the effectiveness of the evaporation cooling. Thus through the planting vegetation on the riverbank a process known as evapotranspiration will occur and thus increase the cooling factor. “Evapotranspiration is the term used to describe the part of the water cycle which removes liquid water from an area with vegetation and into the atmosphere by the processes of both transpiration and evaporation,…

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    Water Fog Lab

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    (DIWF), and to give further insight into happenings on a molecular level in the (DIWF) with the aid of experimental evidence. The writer is keen on proving that the fog produced in the (DIWF) demonstration is actually from the bulk water onto which the dry ice is placed and not the atmospheric water vapor. In a bid to understand the mechanism of the formation of fog, the writer employs a model, where the interaction of dry ice with other liquids is closely observed, and the effectiveness of…

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    Dry Ice-In-Fog Lab

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    Earlier, it was found that “the vapor pressure of water increases with temperature, water with a higher vapor pressure induces a thicker dry ice-in-water-fog” (645). There will be two types of sublimation that the researchers would try to pair with corresponding vapor pressure. Nucleate state sublimation is rapid sublimation of dry and the production of copious carbon-dioxide molecules (645). The other type of sublimation is called film state sublimation, which is when large carbon-dioxide…

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    Essentially, vapor pressure is a measure of the position of this equilibrium. Higher vapor pressures mean that the equilibrium is farther to the right, and lower vapor pressures mean that the equilibrium is farther to the left. All of these properties are measured at standard atmospheric pressure. All chemicals have some amount of vapor pressure, although some chemicals have low or almost negligible vapor pressure, while others have high vapor pressure. The causes of vapor pressure are not…

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    Second Hand Vapor Essay

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    Secondhand Vapor: Not at all Like Smoke Electronic cigarettes or eCigarettes work by creating a nicotine rich vapor that can be vaped or inhaled by the user. Although public health officials have fear that cigarettes may encourage young people to smoke, several research studies continue to show that the effects of second hand smoke from the vapor do not present the same threat as those posed by traditional cigarette smoking. Studies have indeed shown that over 53,000 people die from second hand…

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    4- Temperature gradient within the solid particles is considered. 5- The solid particles are assumed to be spheres with constant radii. 6- All particles are identical and have the same moisture content. 7- The problem is one-dimensional. 4.1.2. Model Equations 4.1.2.1. Mass and Energy Balances on Solids The moisture content of solids is a function of time only due to perfect mixing and negligible diffusion resistance as stated in assumptions 1 and 2. Following assumption 3, air at the solid-air…

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    What’s the best cure for a long winter? The warm summer sun, a fresh seasonal harvest, and the irresistible flavors of everyone’s favorite summertime treat: strawberry shortcake. As soon as the weather warms up, it’s the perfect time to indulge in the flavors of rich whipped cream and juicy strawberries piled high atop a bed of fluffy yellow cake. Once reserved for special occasions and family cookouts, now you can take strawberry shortcake wherever you go in the form of Faze™ Vapor premium…

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