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A mixture of Ar and N2 gases has a density of 1.501 g/L at STP. What is the mole fraction of each gas?
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Traffic on the German autobahns reaches speeds of up to 230. km/h. At what temperature do oxygen molecules have this same average speed?
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Define with specific case examples Epidemic,Pandemic, Endemic Out break of dissease. Give at least one case of example in each.
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Consider a pendulum consisting of a "bob" of mass m hanging from a light (massless) string of length L. The bob is pulled to an angle with the...
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Post a 150-wrd response to the following Discussion Prompts by Day 5 in the discussion area below:
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Calculate OH for a 0 . 143 M HCIO , solution . Use significant figures and E for scientific notation . Do not enter units as part of...
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The structure below is found in the members of a class in the kingdom Animalia (a) Name the class from which the animal with the structure above is...
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Imagine a thermally insulated container with a gas ofparticles that interact with one another only via the law of gravitation.
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In a coffee-cup calorimeter, 1.10 g of NH4NO3 is mixed with 73.0 g of water at an initial temperature of 25.
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Mounted on a low-mass rod of length 0.36 m are four balls (see figure below). Two balls (shown in red on the diagram), each of mass 0.79 kg, are...
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Choose one of the following forecasting methods discussed in this chapter: last-value, averaging, moving-average, or exponential smoothing. Identify the conditions when the method is most appropriate
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NEED THIS TODAY, WILL PAY NICE BONUS Locate a diagram of an organism with the main organs and structures labeled.
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Will provide all details necessary. its urgent!
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Compare the climate and adaptations of plants and animals in deserts, grasslands, and forests. Describe the distinctive qualities of chaparral...
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My name is Chermon Johnson. Subject is Biology. The deadline is Sunday.
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During the Devonian, California ______________. was under water B. had the beginnings of a coniferous forest in the Sierra Nevada C. was a desert,...
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Blood Test Results for Patient A Patient A Normal Range Thyroxine Levels 0.
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Tonya Jefferson, a sole proprietor, runs a successful lobbying business in Washington, D.
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In a skating stunt known as crack-the-whip, a number of skaters hold hands and form a straight line. They try to skate so that the line rotates about...
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Classify each of the following as a strong acid or a weak acid and indicate how each should be written in aqueous solution.
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8-cm diameter disk rotates with a constant angular acceleration of 2.6 rad/s2.
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Ouch, said Kyle, drinking a glass of soda, my stomach hurts.
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Genetics question: In Drosophila, the autosomal recessive allele b causes eye color to change from normal deep purple to brown. The recessive...
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k Assignment 2:
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Find the net force acting on particle 3 due to the presence of the other two particles. Report you answer as a magnitude and a direction measured...
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Energy in the amount of 419 J is added to a 54.0 g sample of water at a temperature of 26.0C. What will be the final temperature of the water?
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Maricruz slides a 68 kg crate, m, up an inclined ramp 2.0 m above floor level.
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A sample of air from the basement of a home is found to contain 8.3 ppm of radon. What is the partial pressure of radon in the basement if the total
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A small ball of mass 51 g is suspended from a string of length 89 cm and whirled in a circle lying in the horizontal plane.
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SECTION ONE : MULTIPLE CHOICE Read each question carefully and mark your answer on the answer sheet provided . Number of calories per gram of Chose
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When admitted to the emergency room, John was holding his right hand, which had a deep puncture hole in its palm. He explains he had fallen on a nail...
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Discuss the employment at-will doctrine. Is the employment-at-will doctrine appropriate in today's society? Discuss your answer. What are the pros
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A crystalline solid consists of atoms stacked up in a repeating lattice structure. Consider a crystal as shown in figure p1. The atoms reside at the...
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The physics of wind instruments is based on the concept of standing waves. When the player blows into the mouthpiece, the column of air inside the...
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1- Dunes found in areas with large amounts of sand and open space where fields can form are typically:
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I am trying to answer these questions 1. Draw resonance structures for vanillin and substituted carbocation.
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To identify a liquid substance, a student determined its density. Using a graduated cylinder, she measured out a 45mL sample of the substance.
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rds min, no cut and paste cite refs In your own words how can we live a more sustainable lifestyle? How can society lead a more sustainable lifestyle?...
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Harvey's origin was primarily associated with an atmospheric tropical disturbance that left the west coast of Africa on 12 August 2017.
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Question 1 The function of the respiratory system is to deliver oxygen to body tissues and remove carbon dioxide from the tissues. Answer the...
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For one of the solutions you make up for this week's experiment, 1.00 mL of 2.0E-3 M iron(III) nitrate solution is mixed with 8.00 mL of 2.0E-3 M...
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what is the theoretical value of order of the following reaction?
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You were hired as a financial consultant to Defense Electronics, Inc (DEI), a large, publicly traded firm that is the market share leader in radar...
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List and describe the steps in coordinating the heartbeat/ describe how the electrical signal moves through the heart to control heartbeat rates.
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Frog dissection 1. The largest organ in the body cavity: _____________________ 2. Name the 3 lobes of the liver: ________________,...
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A heating cpil dissipates BED watts when the applied patentiai difference is 120 V and the soil temperature is #3 "III. At what temperature will the
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An airplane is flying in a horizontal circle at a speed of 100 m/s. The 80.0-kg pilot does not want her radial acceleration to exceed 7g. (a) What is...
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A cart of mass M with magnets at an initial height H rolls down a inclined plane with a magnetic stopper at its end.
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Block 1, of mass m1 = 0.500kg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2, as shown.
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A car is moving down a street at 52 km/h. A child suddenly runs into the street. If it takes the driver 0.
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