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    Gas Exchange

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    Gas Exchange To complete this worksheet‚ select: Module: Gas Exchange and pH Balance Activity: Animations Title: Gas Exchange Introduction 1. a. Describe the respiratory system role with oxygen and carbon dioxide. The respiratory system is responsible for the movement of gases involved in cellular metabolism. b. Why is oxygen needed? Oxygen is needed because it is used up during the aerobic breakdown of glucose. c. What generates CO2? Carbon dioxide arises from the aerobic

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    Gas calculations

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    reaction conducted in this lab‚ including appropriate phase symbols.
Mg(s) + 2HCl(aq) --> H2(g) + MgCl2(aq) 2. Determine the partial pressure of the hydrogen gas collected in the gas collection tube. 
The partial pressure of the hydrogen gas is 1.07 atm 3. Calculate the moles of hydrogen gas collected.
pv=mrt ; n= .0013mol of hydrogen gas 4. If magnesium was the limiting reactant in this lab‚ calculate the theoretical yield of the gaseous product. Show all steps of your calculation.
0.03184 g

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    Gas Absorption

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    ORO CITY GAS ABSORPTION COLUMN - MASS TRANSFER EXPERIMENT B ChE 35 Chemical Engineering Laboratory II Acabo‚ Dean Cris Aguirre‚ Ian Carlo Belarmino‚ Arniel Catan‚ Charles John Engr. Marco Theodore E. Escaňo ChE 35 Instructor October 2012 OBJECTIVE: To calculate rate of absorption of carbon dioxide into water from analysis of liquid solutions flowing down the absorption column. THEORETICAL BACKGROUND: Absorption refers to the transfer of a gaseous component from the gas phase to a

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    Gas Exchanges

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    Gas Exchange The process of gas exchange in the body is called respiration. This process has three basic steps that involve pulmonary ventilation‚ external respiration‚ and internal respiration. All three steps are functions that involve gas exchanges between the lungs and the atmosphere. For instance‚ pulmonary ventilation‚ or breathing involves the inhalation and exhalation of air between our lungs and the atmosphere. External respiration is the exchange of gases across the respiratory membrane

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    Gas and Atoms

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    and freezing into ice -fuel being changed into gas for cars -ponds freezing over to have a layer of ice Page 2 : E:\CC_Software\Workbench\CC-MW-CD\part2\phasechange\page2.cml 1. Describe the motion of atoms and molecules in a gas. the atoms and molecules bounce off one another each time they come in contact with eachother. they never bond‚ but reflect off of eachother and spread around. 2. How are the behavior and arrangements of gas molecules similar to and different from soccer players

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    Gas Stations

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    Do Gas Stations cause soil pollution? Soils are extremely important parts of every ecosystem. They are a home to many microbes and provide vital nutrients to the plants that live in them. pH is the measure of acidity or alkalinity of a solution‚ and most organisms have a very small range of pH values in which they can survive. 7 is considered neutral‚ lower than 7 is acidic (lemon juice‚ rain water) and above 7 is basic (bleach‚ soap). Lots of urban areas are dependent on car transportation‚

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    Pressure and Gas

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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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    Gas Law

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    are prime examples of the implementation of gas laws. The physics are based on the simple principle that warm air rises in cooler air. Hot air has less mass per unit of volume. The relevant gas law in use is Charless Law‚ which is V1/T1=V2/T2. The law states that raising the temperature (T1) will also increase the volume (V2)‚ in order to keep the equation true. Generally‚ air is heated through the use of propane burners. When ignited‚ the volume of the gas increases but the balloon cannot expand much

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    Gas Laws Lab

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    Unit 1 Gas Laws Lab Guide PhET Gas Properties lab - http://phet.colorado.edu/en/simulation/gas-properties Your lab write-up for this lab will be a minimum of a 15 slide presentation created with Power point or Libre Office. Contact your instructor if you have questions about your lab assignment. Some information has been provided for you‚ but still needs to be included on your slides. The areas that are bolded are areas of information that need to be completed by you. Submit your lab write-up

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    Gas Chromatography

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    Gas Chromatography Purpose: The purpose of the gas chromatography lab is to find out how different substances interact with the surface of a solid. Chromatography is a separation technique that depends on the relative distribution of the components of a mixture between a mobile phase and a solid stationary phase. Chromatography measures the tendency of a substance to interact with the surface of a solid or to remain in a mobile phase. When doing a chromatography lab the mobile phase has to

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    Gas Chromatography Essay

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    Gas chromatography (GC) is a chromatography technique where the separation of individual components (analytes) from a sample relies on their differing distribution between a mobile and stationary phase. The mobile phase carries the analytes through the stationary phase. In GC‚ it’s an inert gas (usually helium or nitrogen). The gas must be inert‚ so it won’t react with the sample to give a false reading. The stationary phase is a substance fixed in place to which the sample adsorbs because

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    Gas Analyzer

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    Gas analysis techniques Terms for gas analysis techniques  Concentration The term concentration describes the amount of a substance‚ expressed as mass‚ volume‚ or number of particles in a unit volume of a solid‚ liquid‚ or gaseous substance e.g. alcohol in beer or oxygen in air. Different units are in use to describe concentration in gases: Mass concentration Concentration expressed in terms of mass of substance per unit volume [g substance/m3 gas volume] ¢ Volume concentration Concentration

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    Gas Laws

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    Review the behavior of the gas phase vs. the liquid phase. Solution: a) The volume of the liquid remains constant‚ but the volume of the gas increases to the volume of the larger container. b) The volume of the container holding the gas sample increases when heated‚ but the volume of the container holding the liquid sample remains essentially constant when heated. c) The volume of the liquid remains essentially constant‚ but the volume of the gas is reduced. The particles in a gas are further apart than

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    Gas Chromatography Lab

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    Data and Conclusions: The purpose of this experiment was to learn how to use distillation and gas chromatography to separate and identify different compounds from a given mixture. There are several kinds of distillation methods. However‚ the method that we used in this experiment was fractional distillation. This method is used when trying to separate two different volatile compounds whose boiling points differ by 40-50°C or more. If the boiling points are too close‚ this method

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    Gas Laws

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    Gas Laws Name Institution The 3 Gas Laws Introduction The three gas laws include: Gay-Lussac’s law‚ Boyle’s law and Charles’ law. When combined with Avogadro’s law the three laws can be generalized by the ideal gas law. Gases possess observable properties which include‚ mass‚ pressure (P)‚ thermodynamic temperature (T) and volume (V). These properties are related to each other and the state of a gas is determined by their values. The three laws are derived from these properties. Discussion

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    Gas Laws

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    GAS LAWS Properties of Gases Gases expand into any available volume • gas molecules escape from open containers. Gases are completely miscible • once mixed they will not spontaneously separate. Gases are described in terms of T‚ P‚ V and n Volume‚ Amount and Temperature • A gas expands uniformly to fill the container in which it is placed – The volume of the container is the volume of the gas – Volume may be in liters‚ mL‚ or cm3 • The temperature of a gas must be indicated

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    Temperature and Gas

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    Looking for a Gas Gas is everywhere. There is something called the atmosphere. That’s a big layer of gas that surrounds the Earth. Gases are random groups of atoms. In solids‚ atoms and molecules are compact and close together. Liquids have atoms that are spread out a little more. Gases are really spread out and the atoms and molecules are full of energy. They are bouncing around constantly.  Gases can fill a container of any size or shape. It doesn’t even matter how big the container is. The

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    oil and gas

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    United States Gulf of Mexico Oil and Natural Gas Industry Economic Impact Analysis The Economic Impacts of GOM Oil and Natural Gas Development on the U.S. Economy Prepared by: Quest Offshore Resources‚ Inc. Prepared for: 1600 Highway 6‚ Suite 300 American Petroleum Institute (API) Sugar Land‚ TX 77478 National Ocean Industries Association (NOIA) June 2011 Key Findings This report has documented the decline in generate tax revenues at all levels of capital operational

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    Gas Law

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    Boyle’s Law - Solutions 1) 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? P1V1 = P2V2 (1.5 atm)(5.6 L) = (x)(4.8 L) x = 1.8 atm 2) I have added 15 L of air to a balloon at sea level (1.0 atm). If I take the balloon with me to Denver‚ where the air pressure is 0.85 atm‚ what will the new volume of the balloon be? P1V1 = P2V2 (1.0 atm)(15 L) = (0.85 atm)(x) x = 18

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    Shale Gas

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    ------------------------------------------------- Shale gas From Wikipedia‚ the free encyclopedia For gas generated by oil shale pyrolysis‚ see Oil shale gas. 48 Shale basins in 38 countries‚ as per the EIA Derrick and platform of drilling gas wells in Marcellus Shale (Pennsylvania‚ USA). Shale gas is natural gas formed from being trapped within shale formations.[1] Shale gas has become an increasingly important source of natural gas in the United States since the start of this century‚ and interest has spread to potential gas shales in

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