To prevent gasoline prices from having devastating effects on the economy it has been proposed that all gasoline prices in the United States be fixed at the average price for the last two years. For simplicity it will be assumed that this price is $2.50 per gallon. When equilibrium prices are under $2.50 per gallon the excess payments will be kept in a government fund. When retail prices exceed $2.50 per gallon money from this fund will be distributed to pay the difference. Do you think that this
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OIL AND GAS ACCOUNTING: CRITICAL EXAMINATION OF THE APPLICATION OF THEORY TO PRACTICE IN NIGERIA 1.0 INTRODUCTION: The natural resources of a nation‚ particularly the minerals‚ often constitute the lion’s share of the nation’s wealth. This is particularly true of the OPEC nations including Nigeria. Prior to the development of accounting standards issued by the Nigerian Accounting Standards Board (NASB)‚ the financial statements published by the oil and gas industry in Nigeria did not disclose adequate
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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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Determination of a Rate Law Megan Gilleland 10.11.2012 Dr. Charles J. Horn Abstract: This two part experiment is designed to determine the rate law of the following reaction‚ 2I-(aq) + H2O2(aq) + 2H+I2(aq) + 2H2O(L)‚ and to then determine if a change in temperature has an effect on that rate of this reaction. It was found that the reaction rate=k[I-]^1[H2O2+]^1‚ and the experimental activation energy is 60.62 KJ/mol. Introduction The rate of a chemical reaction often
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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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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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Mustard Gas During World War I LOST was the original name for mustard gas‚ it was named after Lommel and Steinkopf. They were the first people who proposed this gas to the military to use as a weapon in 1916. Although mustard gas could possibly been developed as early as 1822 by a French chemist‚ Cesar-Mansuete Desperetez. Thirty-two years later Alfred Riche repeated this reaction of the sulfur dichloride and ethylene‚ but both Riche and Desperetez did not note any harsh properties. In 1860‚
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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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Does the temperature outside affect how fast molecules move inside objects? Charles Law helps us understand how molecules move in different temperatures. It states that increasing the temperature of a constant pressure volume of gas causes individual gas molecules to move faster (Andrew Staroscik Staroscik 9/19/16)‚ and the volume is proportional to the absolute temperature of a gas at (Todd Helmenstine 10/16/16). Therefore‚ as the temperature increases‚ so does the speed of the molecules‚ and when
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1) A sample of gas (24.2 g) initially at 4.00 atm was compressed from 8.00 L to 2.00 L at constant temperature. After the compression‚ the gas pressure was __________ atm. A) 4.00 B) 2.00 C) 1.00 D) 8.00 E) 16.0 2) A sample of a gas (5.0 mol) at 1.0 atm is expanded at constant temperature from 10 L to 15 L. The final pressure is __________ atm. A) 1.5 B) 7.5 C) 0.67 D) 3.3 E) 15 3) A balloon originally had a volume of 4.39 L at 44 °C and a pressure of 729 torr. The
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