Maria Reyes iLab‚ Week #4 CHARLES’ LAW Introduction The purpose of this lab was to determine the effect of temperature on the volume of gas when the pressure is consistent and to verify Charles’ Law. The data from the experiment reveals that as temperature increases‚ so does volume. This also indicates that as temperature decreases‚ the volume decreases as well. Procedure 1) Select a 60 mL Syringe Sealed from the Gas Syringe item under the Equipment menu. Set the volume to 20 mL in the Initial
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Gas Law‚ PV=nRT‚ will be needed to calculate the mass of reactants and moles of gas produced. Where P is the pressure in atm‚ V is the volume in Liters‚ n is the number of moles‚ R is the constant 0.0821(atm*L/K*mok)‚ and T is the temperature in Kelvins. In this lab the volume of reaction space needs to be measured. I have chosen to use Magnesium and the amount of H2 gas that the amount of magnesium‚ (.04g)‚ used is 0.00229 mol H2. Procedure 1. Fill a 125 mL flask with 50 mL of HCl (aq) 2
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Jarrett‚ are both high middle class white parents living in the suburbs. They go out and party a ton ever since the devastating lost of their oldest son Buck‚ in a boating accident. This brings a negative vibe to the family‚ which is why Conrad and Kelvin start to attend a psychiatrist. The psychiatrist Dr. Berger convinces Conrad and Calvin to make them express exactly how they feel. The issues that the Jarrett family faces‚ contradicts the film’s title of them being an ordinary family. Once Conrad
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Gas Law was needed in order to calculate the mass of reactants and moles of gas produced: ‚ where is the pressure in atm‚ is the volume in Liters‚ is the number of moles‚ is the ideal gas constant [0.082 (Latm)/(Kmol)]‚ and is the temperature in Kelvins. Considering the units on R‚ it was important to convert pressure‚ volume‚ and temperature to atm‚ L‚ and K‚ respectively. In this investigation‚ the volume of reaction space needed to be measured. One way to measure the volume was to use a string
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CURRENT SOCIOCULTURAL TRENDS 1 Current Sociocultural Trends Kelvin L. Spencer Columbia Southern University CURRENT SOCIOCULTURAL TRENDS 2 According to our text‚ there are eight current sociocultural trends that are transforming North America and the rest of the world. The four current
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Complete ALL problems under each heading in your packer. SHOW ALL WORK AND LABELS! Bolye’s Law Problems Example: If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L‚ what will the new pressure inside the piston be? • Read the problem and determine what is given and what is unknown? • Decide which law to use. • Substitute the values (given numbers) from the problem into the equation Given: P1 = 1.5 atm Unknown
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is a metric system of units of measurement and is predominantly used in the scientific community to communicate and to be able to share research anywhere in the world. The SI system has common units such as; meters‚ kilograms‚ moles‚ seconds and Kelvins to measure length‚ mass‚ amount of substance‚ time and temperature (Historical). The SI system is very useful because it allows the world to communicate in a common language‚ without the system many tedious conversions would have to be made just to
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Cryogenics is a branch of physics concerned with the production of very low temperatures and the effects of these temperatures on different substances and materials. The temperatures studied in cryogenics are those below 243.67 degrees Fahrenheit (120 Kelvin); such low temperatures do not occur in nature. These low temperatures have been used to liquefy atmospheric gases like oxygen‚ hydrogen‚ nitrogen‚ methane‚ argon‚ helium‚ and neon. The gases are condensed‚ collected‚ distilled and separated.
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9. A concrete highway is built of slabs 14 m long (20Cº). How wide should the expansion cracks be (at 20Cº) between the slabs to prevent buckling if the temperature range is -30Cº to +50Cº? I know I use the formula: L = LoT L = ? (Change in length of the slabs. We are solving for this.) = 12e-6 (Coefficient of expansion. I looked it up on page 388.) Lo = 14 m (Initial length of slabs.) T = 30 Cº (50Cº - 20Cº) (Change in temperaure. You only care about the hottest number
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