Jennifer Jiang Dr. Iobst Chemistry I Honors 11 March 2013 Molar Mass of Butane: Applying the Gas Laws 1. Water bath temperature: 17.7° C or 291 K Celsius to Kelvin temperature conversion: 17.7° C + 273 = 290.7 Kelvin (rounded to SF= 291 K) 2. 1 atm 1 atm 10 mm 10 mm 2.54 cm 2.54 cm According to the digital barometer our teacher provided‚ the barometric pressure in the lab is 29.77 in Hg‚ which will need to be converted to atmospheric pressure. 760 mm Hg 760 mm Hg 1 cm
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05.09 Module Five Review and DBA 05.01 Four Phases of Matter * Matter exists in different phases‚ also called states‚ which include solid‚liquid‚ gas‚ and plasma. These phases can be distinguished at the molecular level by how the particles are held together. * Solids * In the solid phase‚ the intermolecular attraction between particles of matter is strong enough to hold all the particles together in a fixed three-dimensional arrangement. Because of the rigid arrangement of particles
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ABSTRACT This experiment was carried out to determine the relationship between the pressure and the temperature of saturated steam in equilibrium. Besides that this experiment was also done to demonstrate the vapor pressure curve. The marcet Boiler was used for this experiment. When the pressure increases‚ the temperature also increases. Therefore‚ the relationship of pressure and temperature is directly proportional. The derived formulae and the data were used to calculate the slope. The dT/dP
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05_CTR_ch14 7/12/04 8:13 AM Page 351 Name ___________________________ 14.3 Date ___________________ Class __________________ IDEAL GASES Section Review Objectives • Compute the value of an unknown using the ideal gas law • Compare and contrast real and ideal gases Vocabulary • ideal gas constant (R) • ideal gas law Key Equation • Ideal gas law: P V n R T or PV nRT Part A Completion © Pearson Education‚ Inc.‚ publishing as Pearson Prentice Hall. All rights
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5.2 Know Boyle’s Law and its assumptions. Boyle’s Law is a principle which says for relatively low pressures‚ the pressure of an ideal gas kept at constant temperature varies inversely with the volume of the gas. It describes the inversely proportional relationship between the absolute pressure and volume of a gas‚ if temperature if kept at a constant. Know Charles’s Law and its assumptions. Charles’s Law (also known as the law of volumes) is an experimental gas law which describes how
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densities than liquids and solids. NO2 gas 4 Force Pressure = Area (force = mass x acceleration) Units of Pressure 1 pascal (Pa) = 1 N/m2 1 atm = 760 mmHg = 760 torr 1 atm = 101‚325 Pa Barometer For measuring atmospheric pressure 5 The force experienced by any area exposed to Earth’s atmosphere is equal to the weight of that column of air above it. 10 miles 0.2 atm 4 miles Sea level 0.5 atm 1 atm 6 Manometers Used to Measure Gas Pressures closed-tube open-tube Patm
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molecular considerations‚ identify which intermolecular interactions are significant (including estimating relative strengths of dipole moments‚ polarizability‚ etc.) • Apply simple rules for calculating P‚ v‚ or T ◦ Calculate P‚ v‚ or T from non-ideal equations of state (cubic equations‚ the virial equation‚ compressibility charts‚ and ThermoSolver) ◦ Apply the Rackett equation‚ the thermal expansion coefficient‚ and the isothermal compressibility to find v for liquids and solids • State the molecular
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Experiment 11 The Gas Laws Introduction: In this experiment you will (1) determine whether Boyle’s Law applies to a mixture of gases (air) and (2) calculate the gas constant‚ R‚ by determining the volume of a known amount of gas (H2) at a measured temperature and pressure. Determination of Whether Boyle’s Law Applies to Air Boyle’s Law states that for a fixed amount of gas at constant temperature‚ the pressure of the gas will vary inversely with the volume so that P ∝ 1/V or PV = a constant (if
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general case of a gas‚ liquid‚ or solid‚ the volumetric coefficient of thermal expansion is given by The subscript p indicates that the pressure is held constant during the expansion‚ and the subscript "V" stresses that it is the volumetric (not linear) expansion that enters this general definition. In the case of a gas‚ the fact that the pressure is held constant is important‚ because the volume of a gas will vary appreciably with pressure as well as temperature. For a gas of low density this
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atoms/ions in a chemical formula. They are the small numbers within the chemical formula. They tell how many individual atoms/ions are present. 2. State the Law of Conservation of Mass and explain its relationship to stoichiometry. The Law of Conservation of Mass states that “Matter can neither be created nor destroyed during a chemical reaction.” This law is dictates the necessity for balancing a chemical equation with coefficients; if we didn’t balance equations‚ we would be created and/or destroying
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