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A room is filled with saturated moist air at 25°C and a

Thermodynamics: An Engineering Approach | 8th Edition | ISBN:  9780073398174 | Authors: Yunus A. Cengel, Michael A. Boles ISBN: 9780073398174 56

Solution for problem 140P Chapter 14

Thermodynamics: An Engineering Approach | 8th Edition

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Thermodynamics: An Engineering Approach | 8th Edition | ISBN:  9780073398174 | Authors: Yunus A. Cengel, Michael A. Boles

Thermodynamics: An Engineering Approach | 8th Edition

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Problem 140P

Problem 140P

A room is filled with saturated moist air at 25°C and a total pressure of 100 kPa. If the mass of dry air in the room is 100 kg, the mass of water vapor is

(a) 0.52 kg

(b) 1.97 kg

(c) 2.96 kg

(d) 2.04 kg

(e) 3.17 kg

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 Countries of Europe o Germany  82 million people  Initially was made up several tribes, royal families  Unified late 1800s early 1900s  Was divided after WWII  West Germany = part of Europe, democratic  East Germany = USSR, Communist  Contains 16 states  Highly urbanized  89% of the population  A leader in Europe : manufactoring/economic stability  Largest economy of Europe  Has the Autobahn (interstate system) o France  64 million people  Oldest state in europe  Urban  Paris 2.2 million people  Contains the highest Mountain in Europe  Mount Blanc  Huge in agriculture (biggest producer in Europe)  Cattle, grapes, cheese  Known for  Rich food  Architecture  Art o Great Britain  UK  62.7 Million People  Regions:  England, Scotland, Wales, Northern Ireland  Surrounded by water:  North Sea, English Channel, and the Atlantic Ocean  The US's strongest ally  National Dish:  Chicken Tikka Masala  Prominent Religion  Protestant o Ireland  Highest growing economy in the EU  Uses the Euro  Gained independence form the UK in 1921  Conflict between the Catholics and Protestants  Irish Republican Army (IRA)  English and Gaelic are the national languages  Strong Irish Influence in America  New York  Boston  Chicago o Italy  60.5 million people  Major states or regions  Tuscany, Milan, Venice, Piedmont  Rich urbanized North  Poor rural South  Sicily is very poor and underdeveloped  Origin of La Cosa Nostra (Sicilian Mafia)  Milan-Turin-Genoa Triangle  Heavy manufacturing  Milan is the largest city in Italy o "Rock" of Gibraltar  2.6 sq mile area (peninsula Iberian)  South Spain  Owned by Britain  Surrendered by Spain in 1713 (via the War of the Spanish Succession)  One of the most densely populated areas in the world  12,840 people per square mile  Official language is English  Important militarily and economically  Access to the Mediterranean sea from the Atlantic  Recent events in Ukraine o Major divisions after the Cold War o Country divided politically  East = Pro Russia  West = Pro Europe o Russia needs access to the ocean and resources  Military and economic factor… o Babushkas of Chernobyl  Self-settlers  Wildlife  Returning in force  Invisible enemy  Women who were children during Stalin's reign.  Starvation  Stalin burned down cities and towns along with all of the agriculture.  Lived through WWII with the Nazi's.  Concentration camps or forced labor.  Relationships do not equal causation  The world health organization says 4000 deaths while green peace says 10000 deaths.  The women are out living the men because the men are drinking and smoking, across the world it is more accepted for a man to drink and smoke than it is for a woman.  In that case you have higher numbers of men drinking and smoking and dying from that instead of the radiation poisoning.  The town was built around Chernobyl.  The people who were relocated seem to be dying sooner than the ones who came back. o Russia is the biggest country by land area. o You can see Alaska from Russia, only 4km between the two. o Physical Geography  SW Russia desert  Main area of settlement near Moscow  Cannot connect to any waterways.  Caspian sea o 4 regions  Russian core  Majority of the population  Siberia  Freezing  Where people would be exiled  Eastern Frontier  Desert section  Separation between Siberia and Frontier is climate and culture  Far East  Not many settlements  Hard to navigate the land o Approximately 75% of Russia is Siberia has far as land area o A majority of the population lives in the Russian Core and the Eastern Frontier o Physical Russian Geography  Russian Plain  West of the Ural Mountains; Moscow (core of Russia)  Ural Mountains (2000 miles long)  Low relief mountain chain separating East/West Russia  Western Siberia (constant elevation)  Flat plains and forests  Central Siberia  Moderate mountains; very cold (Artic Circle)  Eastern Highlands (Mostly the Yakutski Basin)  One of the most remote places on earth o Climate  SW desert  Russian Core humid continental (northern Midwest into Canada)  Majority is subarctic. (FREEZING)  Tundra only has a few centimeters a year that is thawed for a limited amount of time. o Interesting facts about Russia  Continentally has a huge impact on Russia's climate  Similar to the upper Mid-west and Canada  Economy is rising  It depends heavily on oil  Becoming increasingly more "modern" and "western"  Red square  A city square block where the government is housed  Misconceptions  Not called red square because it is called a communist country  Not because the buildings are red  It is because the language has evolved.  Used to be the slums until the 1400s o The Soviet Union  U.S.S.R. (CCCP)  Union of Soviet Socialistic Republics  Formed in 1917 after the Bolshevik Revolution  Most citizens were very poor, unhapy with autocratic Tsar systerm  Industrial revolution was occuring in Europe = caused  A federation of power  Split of power with no true ruler  Russification: the idea of replacing ethnic  Areas with Russians; ethnic groups moved east  Command economy: a system where the government assigns sectors of production to particular areas with disregard to economic o Spread of the soviet influence  After WWII, communism spread into Eastern Europe  China and Korea 1950s  Cuba in 1959 with Castro  SE Asia in 1954  Africa in 1970s  Created tensions with the US and Europe  Cold War  Agriculture cut off by Ukraine o Space Race  1957 Soviet Union  1958 US  1965 France  1970 Japan  1970 China  1971 UK  1979 ESA  1980 India o Post-Soviet Union  The Russian federation  Becoming more "European" culturally and politically  Only 3 men have been president in the past 22 years  Yeltsin  Putin  Medvedev  Putin (again)  TEST April 12th o Eastern Europe(Balkans & Ukraine, Rock of Gibraltar) o Sub-Sahara Africa o North Africa  Map Quiz 6 o East Asia and Russia  Monday 4/11 -Friday 4/15  Spread of Religion o Oldest Religion  Hinduism o Abraham was born  UR o Fastest spreading religion  Islam o Islam is a religion, Muslim's follow Islam  DDT in Africa: Malaria v. Health Risks o Ethical concern  Protection of the diversity of wildlife v. Malaria victims dying in Africa o Tuberculosis is mainly in the North o Diarrheal diseases due to unclean water  North Africa and the Middle East o Interesting facts  The Middle East is known as the "crossroads of the world" because it lies in between Asia, Africa and Europe  Hence the name "middle"  The term "Arab" refers to an ethnic group not a religion  Not all Arabs are Muslims  This confusion also exists with Judaism  NASWA an acronym for North Africa/South-West Asia  Iran is the former Persian Empire  Very large portion of the population is under 30  Educated  Unemployed o Original Three Abrahamic Faith  Judaism (First Abrahamic Religions)  Christianity  Islam  Monotheistic  The belief in one God o Populations  Egypt= Nile River  Turkey= black sea and mediterranean sea  Iran= caspian sea and persian gulf  North Africa = mediterranean sea  Majority of populations live near water because of the dry climat o The Birthplace of Civilization  Birthplace of man is Ethiopia  Fertile Crescent = Mesopotamia = between two rivers  Neolithic = 10,000 years ago humans began to domesticate plants and animals, learned to irrigate their fields and grow the population  Birthplace of many foundational concepts:  Maps  60 minutes per hour; 24 hours per day  Trigonometry  Early medicine  Irrigation  Written text  The Egyptian Empire  Highly advanced  Second oldest language  Hieroglyphics  Writing paper, irrigation, domestication of wheat  Sailing  Architecture, masonry (pyramids)  Polytheistic and belief of an afterlife  Kings were called paharos  Sun god Rah  Oil in NASWA  Saudi Arabia number 1 oil producers in the world and the US's biggest alli in the Middle East  Began in Iran  Majority of the oil was found after WW2  OPEC  Orgainzation of Petroleum Exporting Countries  Created to try to not have a monoply  8 NASWA countries  Can cause high prices for those who don't have oil  Results of OPEC  Has totally transformed the Middle East since the 1960s  Positives  Urban transformation  Infrastructure investments  Industrialization  Foreign investment and involvement  Negatives  Variable income  Regional Disparities  Migration from other realms  NASAW Dynamic  Fragmented Modernization  Many issues in the Middle East and North America  Wealth Disparities  Most NASWA people are poor, not rich  Typical Iranian makes $10,840 USD a year  Qatar citizen makes $103,900 USD a year  Religion differences internally (Shia v. Sunnis) and externally (Christianity/Judaism)  Old autocratic government leaders and young populations = cultural issues  Arab Spring (2010-Present)  Started with a fruit vender. Couldn't sale his fruit so in protest he set himself on fire, dying a few weeks later  Spread quickly through social media  Two things in common  Old rulers who have been there for a long time  Young, well-educated, unemployed population  Cultural Regions of the Middle East  30 Countries  6 regions  Egypt and the Lower Nial = the heart  The Maghred (Sahara)  The Middle East  Largely Islamic  The Arabian Peninsula = Richest oil  The Empire States = Iran and Turkey  Turkestan  Transition zone  African TZ is the primary area where the Sunni and the Shia are having problems  Egypt  Suez Canal  Get the oil out  Saudi Arabia  Desert  Iran  Iranian revolution in 1979

Step 2 of 3

Chapter 14, Problem 140P is Solved
Step 3 of 3

Textbook: Thermodynamics: An Engineering Approach
Edition: 8
Author: Yunus A. Cengel, Michael A. Boles
ISBN: 9780073398174

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A room is filled with saturated moist air at 25°C and a