xam 2 [pic] Summer 2011 Chemistry 1411 EXAM # 2 Activity Series of Metals in Aqueous Solution [pic] CHEM 1411 Exam # 2A Name:________________________________ (Chapters 4‚5‚6‚ and 7) Score: [pic] Part I- ( 3 points each) - Please write your correct answer next to each question number‚ DO NOT CIRCLE. ____ 1. Compare the rates of effusion of CO2 & SO2‚ rCO2/rSO2 A. CO2 will effuse 1.45 times
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create a cold environment or drive any direct cooling processes. Is implemented by using Cool roofs‚ that are roofs that can deliver high solar reflectance (the ability to reflect the visible‚ infrared and ultraviolet wavelengths of the sun‚ reducing heat transfer to the building) and high thermal emittance (the ability to radiate absorbed‚ or non-reflected solar energy)‚ and green roofs or living roofs‚ which are roofs of buildings that are partially or completely covered with vegetation and a growing
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demonstrates calorimetry‚ or the technique of measuring heat effects in the surroundings. In order to make sure that there is no temperature change‚ or that it is an isothermal heat transfer‚ it is kept at a similar temperature in an ice bath. By knowing the change in volume‚ the density of ice‚ and the density of liquid water‚ it is presumed that then you could decipher the mass of the ice that melted. With this‚ it is possible to understand the transfer of heat from this chemical equation to its surroundings
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Effect of Temperature on Cricket Respiration Crickets are ectotherms that rely on their environment as a source of heat for their metabolism. Warmer temperatures allow crickets to respire at a greater rate. Respiration rate (ppm/sec/g) 1.2 1 0.8 0.6 0.4 0.2 0 0 5 10 15 20 25 30 35 40 45 Temperature (°C) Figure 1: Respiration rate (ppm/sec/g) of crickets at 6 different temperatures (°C). Values are means of 6 respiration rate measurements. Error bars represent
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Blake Battogtokh Period 6 Research Plan Research Questions: 1. What are the four types of heat transfer? 2. What are the functions of a refrigerator? 3. What are the definitions of each type of heat transfer? 4. Is ice-cold bath the best cooling device to cool a soda? The goal of the project is to determine which type of cooling device will be effective in cooling a soda. In other words‚ the effect of cooling devices on soda cans. There will be four types of cooling devices used
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Tesla White Academic Article #1 January 26‚ 2013 10:00 a.m. The concerns of this article revolve around human health and how it is affected by climate change. Climate change endangers human health affecting all sectors of society both domestically and globally. The atmosphere determines the dispersions‚ transport‚ and development of air pollutants and there is concern that change in climate could affect the human body associate with gases and particles. “As part of a congressionally mandated
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reaches the planet’s surface and is reflected upward again as a type of slow-moving energy called infrared radiation. Heat travels due to radiation and hetas up both the thermometers. But the one inside the testtube gets heated more consistently. This happens because there is air trapped inside the testtube which acts as a heat store. As the air molecules get heated‚ they absorb the heat and then slowly give it out in all directions as well. in the cas of the thermometer which is out in the
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used. The principle of convection superheater is similar to steam generating tubes of the boiler. The hot flue gases at high temperature sweep over convection superheated tubes and raise the temperature of steam. Convection superheater thus receives heat from the flue gases flowing from the combustion chamber‚
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activities were the lowering energy costs in the home. People sometimes think this to be hard but here are some good steps to follow to make it seem it easier. Reset the water heater thermostat‚ people do not always realize that most water heaters heat water to a set temperature and then hold it there‚ meaning that throughout the day and night the water heater cycles on and off‚ just maintaining that already set temperature. If we were to go the water heater and lower the setting a few degrees it
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lighting that reaches our houses. “Sizing south glass to capture as much sunlight as possible. Blocking summer sunlight with roof overhangs‚ shades and trees or vegetation. Choosing building materials for their mass and their potential to store solar heat in winter and to keep houses cooler in the summer.......” (Johnston‚ Gibson 252) Solar water systems can be used to reduce the amount of energy used in the production of electricity in our homes. It is commonly used in countries like
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