lab was to determine the relationship (if any)‚ between the pressure and volume of a gas given the temperature and # of molecules remained constant. Using the Boyle’s law apparatus‚ and textbooks to demonstrate pressure it was concluded that there was a relationship between pressure and volume. However‚ the relationship was not a direct relationship‚ and it was determined that the pressure and volume of a gas are inversely proportioned. Thus‚proving Boyle’s theory correct. Introduction
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| | |1. Determine the work done on or by a confined ideal gas. |[(TH-Tc)/TH]•100=e | | | |2. Apply the First Law of Thermodynamics to solve problems involving | | |
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The Ideal Gas Law Lab taught me that hydrogen is lighter than air‚ and can be ignited. The materials used for the experiment include 0.05 grams of magnesium‚ 1M H2SO4‚ water‚ a 100mL graduated cylinder‚ and a beaker. The hydrogen can be ignited with a match. First‚ the beaker is filled with water. The acid is then added to the graduated cylinder‚ with about ¾ inch left at the top‚ which is space for water. Afterward‚ the magnesium is added to the graduated cylinder‚ and it is inverted upside down
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BOYLE’S LAW AND THE EMPTY SPACE IN AIR Laboratory Report 1: Chemistry 1502ENG Date of Experiment: 17/08/2010 Due Date: 31/08/2010 Introduction: In comparison to solids and liquids‚ gases have many distinctive characteristics such as‚ it’s compressibility and it’s ability to obtain the volume (shape) of its container. Such properties of gases are vital to society and industries for essential science based theory. Boyle’s Law sometimes referred as the Boyle-Mariotte Law is one of several
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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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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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important principles of physics: the ideal gas law and Archimedes’ principle are the reasons hot air balloons fly. The mathematical relationship between the volume pressure and the temperature of a gas is called the ideal gas law. When a gas is heated‚ as in a hot air balloon‚ then its volume will increase. However‚ there is a heater located in the balloon’s basket that heats the air inside the balloon and blows hot air into the balloon. As the volume of gas increases‚ it fills the balloon. As soon
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energy -only particles in liquid and gas have this type of energy Gases and Pressures Changes Pressure -recall: pressure id the force that is exerted on an object perunit of surface area -formula: pressure = force/area OR P = F/A -the SI unit for force is newtons (N) and unit for area is square meters (m2) -therefore pressure has a unit of N/m2 -other units of pressure -Pascal (Pa) -millitetres mercury (mmHg) -atmosphere Atmospheric Pressure -the gas molecules in our atmoshpere are pulled
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Chapter 3 The second law Physical Chemistry. Atkins 9th ed. 1 Outcomes • Concepts 1. The second law of thermodynamics: Spontaneous changes‚ Entropy (ΔS)‚ Heat engine (Carnot cycle)‚ Clausius inequality. 2. Entropy changes: ΔS of expansion‚ ΔS of phase transitions‚ ΔS during heating‚ measuring entropy‚ the 3rd law of thermodynamics‚ 3rd law entropies. 3. Criteria for spontaneity: Helmholtz energy (A)‚ Gibbs energy (G)‚ Maximum work (ΔA)‚ maximum non-expansion work (ΔG). 4. Combining
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atom (F‚ O or N) of another molecule. THERMAL ENERGY Thermal energy is the energy of a body arising from motion of its atoms or molecules. It is directly proportional to the temperature of the substance. THE GAS LAWS Boyle’s Law At constant temperature‚ the pressure of a fixed amount of gas is inversely proportional to its volume. P1V1 = P2V2 Each curve corresponds to a different constant temperature and is known
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