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 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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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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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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xCASE: MERCEDES GOES AFTER YOUNGER BUYERS Mercedes and BMW have been competing head-to-head for market share in the luxury-car market for more than three decades. Back in 1959‚ BMW (Bayerische Motoren Werke) almost went bankrupt and nearly sold out to Daimler-Benz‚ the maker of Mercedes-Benz cars.BMW was able to recover to the point that in 1992 it passed Mercedes in worldwide sales. Among the reasons for BMW’s success was its ability to sell models that were more luxurious than previous models
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“Panda” brand name‚ which is an internationally established name known for its high quality. The thin plywood is used mainly for internal furnishing and decorative purposes. Eksons also produces veneer and sawn timber‚ targeted largely at the export market. One of Eksons’ competitive advantages is our ability to convert even low grades of logs into high quality plywood which means we are not hampered by lack of options in our suppliers. We have 2 factories with a combined installed capacity of 285
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investors expect the same cash flows from Companies A and B but are more confident that Company A’s cash flow will be close to their expected value‚ which should have the higher stock price? Explain. 3. When is a stock said to be in equilibrium? At any given time‚ would you guess that most stocks are in equilibrium as you defined it? Explain. 4. Suppose three completely honest individuals gave you their estimates of Stock X’s intrinsic value. One is your current girlfriend or boyfriend‚ the second
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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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Steven Dziuk SC300 Big Ideas in Science: From Methods to Mutation Unit Five Project Temperature and Equilibrium Virtual Lab June 15‚ 2010 Temperature and Equilibrium Virtual Lab This virtual lab studies the affects different temperatures have on two sets of molecules‚ both separate and when mixed. I will compare how these two sets of molecules react in colder temperatures; then hotter temperatures; and how the two react with each other. Then‚ based on these findings‚ I will offer
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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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