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Two kg of nitrogen (N2) gas is contained in a closed,

Fundamentals of Engineering Thermodynamics | 8th Edition | ISBN: 9781118412930 | Authors: Michael J. Moran ISBN: 9781118412930 139

Solution for problem 3.133 Chapter 3

Fundamentals of Engineering Thermodynamics | 8th Edition

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Fundamentals of Engineering Thermodynamics | 8th Edition | ISBN: 9781118412930 | Authors: Michael J. Moran

Fundamentals of Engineering Thermodynamics | 8th Edition

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Problem 3.133

Two kg of nitrogen (N2) gas is contained in a closed, rigid tank surrounded by a 10-kg water bath, as shown in Fig. P3.133. Data for the initial states of the nitrogen and water are shown on the figure. The entire unit is well insulated, and the nitrogen and water interact until thermal equilibrium is achieved. The measured final temperature is 34.18C. The water can be modeled as an incompressible substance, with c 5 4.179 kJ/kg ? K, and the nitrogen is an ideal gas with constant c. From the measured data, determine the average value of the specific heat c, in kJ/kg ? K.

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Chapter 6 end: Testrapods I. four-legged; handful of air-breathing organisms that have returned to life in the sea II. hypoosmotic to sea water III.two groups are ectothermic— amphibians and reptiles IV. vertebrates— relative of coelacanth; moved to land 350 may V. adaptations to breathing, movement, and desiccation A. then moved back to the ocean 1. turtles still lay eggs on land 2. whales completely adapted VI. amphibians— only one A. highly permeable skin also takes in salt B. Southeast Asian crab-eating frog— lives in estuaries/mangroves C. tadpole— osmoregulates like a teleost (osteichtyes) D. adults— osmoregulate like an elasmobranch VII.reptiles— 7,000 species A. most adapted to living on land 1. scales for water loss prevention 2. leathery eggshell for water loss prevention B. sea turtles— all are threatened or endangered 1. endangered— species under direct threat of survival a) critical number— once the species reaches a certain number, there is no hope of replenishing the population 2. threatened— species may become endangered 3. upper shell= carapace 4. lower shell= plastron 5. ribs are fused to shell 6. strong jaws— except for leatherback 7. poikilotherms— body temp fluctuates with the environment (except for leather back because they are so large) 8. breed at sea a) internal fertilization— males use long tails and claws to grip b) females can store sperm; leads to multiple paternilization c) breed every 2-4 years with several clutches every breeding year (1)clutches= 120 eggs with incubation period of 60 days d) deposit eggs near dune line e) temperature dependent sex determination (1)pivotal temperature— generates 50/50 distribution (2)higher than pivotal= more females (3)lower than pivotal= more males 9. K-selected species— like humans a) niche specialists 10. species: a) Kemps Ridley (1)smallest at 100cm and 100 pounds (2)thought to be a hybrid because they couldn't find their nesting locations (3)Atlantic coasts (4)synchronized nesting b) Leatherback (1)largest, reaching over 6ft and 1000 pounds (2) weak jaws— feed on jellies; can dive deep to prey (a) gum-like projections on bottom and roof of mouth c) Hawksbill (1) tropical (2) feeds on coral, sponges, and invertebrates (3) hunted four beauty d) loggerhead (1) most abundant in US waters (2) genetic populations— Northern, Southern; possible gulf too (3) nest in warm and subtropical C. Indo-Pacific Crocodile 1. latterally flattened tail 2. opens mouth underwater 3. salt glands- “crocodile tears” 4. largest can be 30 ft 5. not fully adapted to marine existence D. Marine Iguana 1. Galapagos Islands 2. 7 subspecies— close relative to land iguana 3. eat algae 4. “sneezing” = salt excretion 5. webbed feet with long claws 6. can submerge up to 15 meters or 30 minutes E. Sea Snakes 1. 55 species; only found in the Indian and Pacific Oceans 2. latterally flattened body with paddle-like tail 3. most are 3-4 feet as adults 4. evolved from land snakes a) cobra relatives— live birth at sea b) sea kraits— lay eggs on land VIII.daptations to sea water A. homeostasis— constancy in the internal environment; outside conditions change but inside does not B. enantiostasis— constancy in the internal functions; internal conditions can change, but the function are not hindered C. physiological processes arise through evolution D. oxygen 1. required by almost all organisms 2. some environments are low oxygen— a) low tide for intertidal animals b) within sediment c) oxygen minimum layers in water column d) seasonal oxygen changes in estuaries: hypoxic zones, “dead zones” 3. consumption rate increases in animals with more activity 4. weight-specific consumption decreases with over all weight increase a) surface area to volume ratio 5. in low oxygen, organisms can have blood pigments that increase capacity for transport 6. respiratory organs a) short pathways for oxygen to diffuse b) extensive vascularization (1) lots of blood c) large surface area d) thin film of water for oxygen diffusion e) surface area of gills is proportional to activity

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Chapter 3, Problem 3.133 is Solved
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Textbook: Fundamentals of Engineering Thermodynamics
Edition: 8
Author: Michael J. Moran
ISBN: 9781118412930

This full solution covers the following key subjects: Water, nitrogen, measured, shown, gas. This expansive textbook survival guide covers 14 chapters, and 1738 solutions. Fundamentals of Engineering Thermodynamics was written by and is associated to the ISBN: 9781118412930. The answer to “Two kg of nitrogen (N2) gas is contained in a closed, rigid tank surrounded by a 10-kg water bath, as shown in Fig. P3.133. Data for the initial states of the nitrogen and water are shown on the figure. The entire unit is well insulated, and the nitrogen and water interact until thermal equilibrium is achieved. The measured final temperature is 34.18C. The water can be modeled as an incompressible substance, with c 5 4.179 kJ/kg ? K, and the nitrogen is an ideal gas with constant c. From the measured data, determine the average value of the specific heat c, in kJ/kg ? K.” is broken down into a number of easy to follow steps, and 105 words. The full step-by-step solution to problem: 3.133 from chapter: 3 was answered by , our top Engineering and Tech solution expert on 11/14/17, 08:39PM. Since the solution to 3.133 from 3 chapter was answered, more than 649 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Fundamentals of Engineering Thermodynamics, edition: 8.

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