The balanced equation shows that two moles of silver nitrate react with one mole of copper Essay Example for Free

The balanced equation shows that two moles of silver nitrate react with one mole of copper Essay Qualitative Observations: * The copper was a orange/red colour before being submerged. * While the silver nitrate AgNO3 was a clear colourless liquid. * Immediately after the copper was submerged it turned black. * The copper wire was resting on the bottom of the beaker. * After prolonged submersion the wire became thicker as more precipitate was formed on the wire. * After prolonged submersion the solution became a clear light blue solution. * After 24 hours a silver/grey crystalline structure formed around the wire and on the bottom of the beaker. Processed data table: What I measured Value (unit) 3sf Uncertainty Mass of reacted Cu 0.332(g)  ±0.002g Number of reacted Cu 0.00522 mol % uncertainty =  ±0.605 Mass of reacted Ag 1.804(g)  ±0.002g Number of reacted Ag 0. 0167 mol % uncertainty =  ±0.166 Constants table: Constant Value Mr(Cu) 63.55 gmol-1 Mr (Ag) 107.87 gmol-1 Calculations Balanced chemical equation between copper and silver: Cu (s) + 2Ag+ (aq) → Cu2+ (aq) + 2Ag (s) Mass of reacted Cu: Uncertainty: m(Cu)= Original weight – final weight m(Cu)= 2.020 – 1.688 =  ±0.001 + 0.001 m(Cu)= 0.332 g =  ±0.002 Number of reacted Cu: Uncertainty: Mr(Cu)=63.55 gmol-1 n(Cu)= 0.00522 mol (3sf) n(Cu) % uncertainty =  ±0.605 Mass of reacted Ag: Uncertainty: m(Ag)= Original weight – final weight m(Ag) = 105.139– 103.335 = 0.001 + 0.001 = 1.804 g =  ±0.002 Number of reacted Ag: Uncertainty: Mr(Ag) = 107.87 gmol-1 n(Ag) = 0.0167 mol (3sf) n(Ag) % uncertainty =  ±0.111 Calculation of Ratio n(Cu) : n(Ag) 0.00522 : 0.0167 total % uncertainty =  ±0.111+0.605 1:3.20 % uncertainty =  ±0.716 1:3 % uncertainty =  ±0.7 Conclusion This reaction is an example of a single replacement redox reaction, as the copper element replaces an element in a compound, silver nitrate producing silver and copper nitrate. During the reaction the silver is reduced as it gains electrons and the copper is oxidized as it loses electrons. Cu (s) + 2AgNO3+ (aq) → Cu(NO3)2 (aq) + 2Ag (s) The balanced equation shows that two moles of silver nitrate react with one mole of copper to produce one mole of copper nitrate and two moles of silver. The molar ratio between Copper and Silver should be 1:2, which you can see by the coefficients in the balanced equation. Therefore my hypothesis is wrong as I have 1 more mole of silver than I should have, therefore my mass of silver was larger than expected or the moles of copper was lower than expected and my mass of copper was lower than expected. Yet our small precision error, or random error attributed to the precision of instruments is  ±0.716%, which indicates that our range excludes the accepted value of 2. Therefore our must have some experimental error. This experimental error can be determined as a percentage through the following formula: % This experimental error is incredibly large. As my systematic error is small, I can determine that experimental error is the cause of the deviation from the accepted value. Evaluation The random error in this experiment was due to the number of operations needed to determine the ratio therefore an increased level of accuracy in the equipment would have increased our ability to determine a more accurate result. Increasing accuracy in equipment would have aided the experiment although the accepted value was still outside the range of random error. There are several possible factors for the large experimental error. The first and most prominent of these reasons is the likelihood of the silver crystals still being saturated with water. Due to the time constraints on the experiment there was limited time to leave the crystals drying in the oven, indicating the possibility of there being water contamination with the silver. This would have increased the measured mass of the silver and therefore increased the value of n(Ag) increasing our ratio. This experiment could be improved if the crystals were left to dry in the oven for a longer time period, which would enable all of the water molecules to evaporate and not contaminate our sample. Another possibility as that during the decanting some crystals were removed from the beaker. This would have decreased the mass of silver, thus decreased the n(Ag) decreasing our ratio. As our ratio was larger than accepted value it is unlikely that this played a significant part in the experimental error of my experiment. To ensure that this would not effect a future experiment I would use a filtration system using filter paper instead of using a decanting method. Experimental error could also have been generated through having an incorrect copper measurement. An incorrect copper measurement could have been caused by copper flecks flaking off the wire into the solution and then being decanted out, though our method did try to remove this possibility by adding more silver nitrate it is still a possibility. This would have meant that we calculated less moles of copper than actually reacted. To ensure that this would not effect our results we should have left the extra silver nitrate for longer to allow it too react with any left over copper flecks.

Technology Infrastructures for Healthcare Access to Rural Residents Ess

Given the recent passage of the heath care bill, and complicated language within the bill it is unclear if electronic health records (EHR) systems will be mandatory. Nonetheless, research indicates that electronic Health Records improve patient safety and satisfaction. However, the implementation cost of this process is significant. Memorial Hospital in Wyoming, a 99 bed hospital, implemented a full electronic medical records system in 18 months at a cost of $2 million dollars. Memorial Hospital did have a successful implementation and was able to stay within budget and on-time (â€Å"Lessons Learned†, 2009). Research indicates that initial cost of EHR systems is $44,000 per full-time employee (FTE) with the ongoing maintenance cost of $8500 per FTE (Miller, West, Broem, Ganchoff, 2005). Given the significant cost it is very important that the culture of the organization is ready for the transformation from paper to electronic. Creating an implementation strategy will help en sure the project stays on time and budget. Health information technology (health IT) enables healthcare providers to improve patient care by secure use while sharing health information with others as authorized by the patient. The use of electronic health records (EHRs) constitutes Health IT as opposed to paper medical records to retain people's health information (US Dept of Health, 2010). In addition, Health IT allows a secure exchange between healthcare providers and consumers in the management of healthcare information. It is hoped that Health IT will both improve patient care and our nation’s healthcare system. There are two classifications of electronic health record systems. First, products such as Microsoft Vault and Google Health, allow an individual pe... ...urthermore, rural Americans have a much higher rate of obesity compared to the urban population. In fact, the obesity crisis in rural American has surfaced since 1980. Prior to 1980, the rural population had a much lower rate of obesity than the urban population (Tai-Seale and Chandler, 2003). In addition, if the baby boomers follow past life-cycle age related migration patterns to rural areas, 30 percent more adult age 55-75 will live in rural areas by 2020 (Cromartie and Nelson, 2009). The graph below illustrates the recent and projected nonmetro population change among 55-74 year olds in the Midwest. While data was available for all five U.S. regions, the researcher’s focused on the Midwest as this research was conducted in the Midwest (Source:USDA, Economic Research Service using data from the U.S. Census Bureau and the National Center for Health Statistics).

Judaism, Christian, and Islamic Religions

The Judaism, Christian, and Islamic religions have its own approach to art and architecture. These religions distinctive styles were influenced by political and spiritual upheavals In society, the environs, and the consciousness of the Inhabitants. Their expression of Inner feelings and beliefs lead to the creation of sacred monumental structures and beautiful art In which people can reflect and gain inspiration from the delve. The Judaism, Charlatanry, and Islam diverse traditions and theologies offer an illuminating insight into their notions of the sacker and profanes. JewishJewish art and its development is acutely intertwined with Christian art due to its profound connections to each other. Although Judaism and Christianity are similar and different in many respects, the Jewish religion is a far older faith. In referring to the Jewish theological notion of sacker and profanes, they believe that God is non- figurative, they worship in synagogues, and their religious text is the f ive books of Moses the Torah, and the Ten Commandments are the foundation of their laws. The synagogues equates to the Temple of Jerusalem, as religious houses where the Jews reactive their faith.Their cultural, social, and religious belief continues through their art and architecture. According to Soles, â€Å"Jewish art Is an art of symbols to convey a relationship to the sacker- (Soles, L 10). The Durra-Europe (c. 239 AD. ) synagogue artwork is significant because they are the most all-encompassing and extensive figural representation of early Jewish art history to survive. Representations of God do not appear in the Jewish context due to the Second Commandment; however, the use of symbols in their depictions exemplifies their faith as they illustrated episodes room the Hebrew Bible.The Durra-Europe western wall mural paintings depict tremendous figurative imagery. Soles indicated that there Is an emphasis on the themes of redemption and salvation connotative in the area above t he Torah niche. The central Image is a schematic representation of the front doors of the Temple of Jerusalem that In the future will be rebuilt, to the right Is Abraham about to sacrifice Isaac, but In the end Is saved, and to the left are the seven-branch candelabra (Soles, L 10).The Image of the seven-branch candelabra depicted throughout Jewish art story is a symbol of salvation and redemption due to the conviction that the world was created in seven days and the law of keeping the seventh day a holy day. The number seven is important because it represents â€Å"completion and perfection† (Soles, L 10). Another image on the wall of Durra-Europe is a continuous narration depicting the Life of Moses. There are two large representations of Moses in the center, one is turning to part the Red Sea that destroys the Egyptians, and the other is of him leading the Israelites to the sea.These mural scenes emphasizes the Jewish people's event with God and sends a message that they a re the chosen people of Israel. In the middle ages, there was a change in attitude towards the Jewish community in various parts of the world. There were not able to profess their religion architecturally with outward displays that denote their religious affiliation Like the Christians and the Muslims could, so they glorified and sanctified their faith Inside the synagogues. Soles stated that the Jewish community were not interested in religious houses (L 14).The Gothic style Latten Synagogue in Prague built in between he 12th and the 13th century displays its artistic and cultural distinction from other religions. Inside there is a pair of columns sustaining the roof with the central element the bimbo, which is a raised platform where the reading of the Torah occurs. The seating arrangement goes around the bimbo facing forward towards the Aaron (holy arch) in a semi horseshoe. Both the bimbo and the Aaron are raised above the Jewish congregating implying their close relationship wi th God (Soles, L 14).On the ceiling there are five ribs installed to avoid having a cruciform, to not emulate Christianity. Another feature in synagogues is the parakeet (Torah curtain). The early 17th Coupled-column Ottoman parakeet is a blending of Jewish symbolizes with Islamic influences. There is a pair of columns alluding to the Temple of Jerusalem and a Miramar opening. The central image is the goblet with nine lamps hanging from it. In Judaism, the number nine is associated with perfection and the cycles of birth and rebirth as this number mirrors the relationship between God and humanity (soles, ALL).Christian As the Western Empire declined and finally collapse in 476, cultural and political dervish shifted to the Eastern Empire. The development of Byzantine art was the result of religious and diplomatic strife between the east and west. Justinian I (c. 482-565) was the ruler of the east and under his governance, Constantinople became the artistic capital of the Empire. The Haggis Sophia (532-37 A. D) is the earliest example on an epic scale of the basic feature of Byzantine architecture as a surviving monument in Justinian reign.The interior of the church has an aesthetic quality that is magnificent in appearance and reinforces the theme of redemption and lavational along with sacker and profanes in a new reality (Soles, Al 1). The central feature of the Church of Holy Wisdom is the nave that is crowned by the dome. The dome rests on four arches and has an array of windows, which acts as the eyes. According to Soles, the numerous windows act as windows to the soul that connects the Empire to the heavens (Soles, Al 1). The arches are broken up into smaller arches, with semicircular apses, and arcades with ornamental details in the molding and the capitals.Furthermore, the lighting in this church played a key role attributed to he rows of windows that gives the illusion that the dome is floating. The Haggis Sophia represented God on a grand scale that left the people feeling exulted and in awe. In the 1 lath and the 12th century, there is a continuation of sacker and profanes demonstrated in the constructions of churches in Western Europe. Piety was on the rise and a lot of the populace went on religious pilgrimages to express their devotion of the Roman Catholic faith. This period was also the birth of Romanesque architecture.Architects utilized Roman antiquity to develop their churches with Christian themes. The SST. Sermon De Toulouse church in Toulouse, France, marks a geographical point for a religious pilgrimage. The architectural shape is that of a cruciform that invokes the crucifixion of Christ as well as the Chi-RYO is symbolizing the victory over death. In the middle of the 12th century, a new architectural style replaced the Romanesque design known as Gothic. In France, Abbot Surer and state. Because of this, Gothic style religious houses became the dominant public worship site in the early medieval period.The Nave of Chartres Cathedral is the epitome of Gothic style. There is a greater sense of light and openness compared to Romanesque. In the interior, the arches come together at points called gives giving the entire cathedral a â€Å"sense of heaven-forwardness† (Soles, Al 2). Gothic churches have many large windows and flying buttresses on the outside of the church, connecting to the main structure. The South transept rose window from the Chartres Cathedral has a central stained glass depiction of Jesus surrounded by twelve apostles.This culls, also has below its five images representing the five wounds of Christ with the images of the four Hebrew biblical prophets. The Gothic architectural style and the stained glass illustrations convey a message of spirituality and majesty between humanity and divinity. Islam In the 7th century, the religion known as Islam took root in the Middle East by its founder and prophet, Muhammad. In the course of his lifetime and 30 years after his death i n 632 A. D. , this religion spread to Africa, Spain, and Asia. It also converted many places of worship into mosques like the Haggis Sophia in 1453.The practitioners f this faith became Muslim which means â€Å"submitter† or â€Å"committee† to the will of God or in Arabic, Allah. The Curran became the secular textural foundation for the Islamic religion. With their faith basis, Muslims continued the sacker and profanes in their architecture and art. In Jerusalem, the Dome of the Rock (c. 687-691) monument is the earliest Islamic building to survive. According to legend, Muhammad was taken by the angel Gabriel on a mi ‘raja (spiritual Journey) to experience both heaven and hell, which made it a sacred site (Soles, Al 3).The golden dome itself is one highest mint in Jerusalem as it rests on an octagonal structure, which rest on a square base. The dome symbolizes heaven and it mirrors the one on the Haggis Sophia. The squared platform echoes the four directions of profane and profanes, between an earthbound and the spiritual reality. The octagonal, a combination of a square and a circle represents the eight-pointed star, which also reinforces the ideal of heaven and earth is Joined in abstract terms (Soles, L 13). Outside this structure, there is a dynamic contrast between geometric, rectilinear, and curvilinear elements in a series f abstractions and colors.The colorful beauty with its detailed abstract designs, motifs, religious significance, and the distinctive structural design became the foundation of Islamic art and architecture for Muslims throughout the world. Another feature in Islamic architecture is the Miramar (niche) in the cabala wall to indicate the direction of Mecca. According to the Curran, Muslims must kneel and pray before Allah five times a day towards the holy land therefore, this Miramar served as geographical orientation. Muslims usually have mass prayer in all parts of the oral; therefore, in Islam everyone is equal i n their faith.This equality is reinforced on an architectural and a spiritual level because both the Christian and Jewish religions have an ecclesiastical court, Muslims pray directly to Allah without any clergy, thus in a way are more self-conscious with their relationship to God. There is a great deal of borrowing, emulation, and transformation in the Jewish, relationship with God through art and architecture. The constant sacker and profanes theme in all the religions, rested on the conviction of salvation and the hope of eternal life in paradise.

Report Australian Stereotypical Contradictions Essay

What Effect has Stereotypical Contradictions had on Developing the Australian Identity? Jarrod Melmeth (c3202088) The University of Newcastle Tutor’s Name: Jennifer Saunders Due Date: 12 October, 2014 Word Count: Table of Contents Abstract 2 Introduction†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦... 4 3 The Typical Aussie†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ 5 3.1 The Rugged Bushman†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. 5 3.2 The Alcoholic†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. 5 4 The Landscape†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. 6 4.1 Red Dirt and Deadly Creatures†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. 6 4.2 Beach Bums, Tans and Thongs†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦... 7 5 The Way of Life†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦. 7 5.1 Beers, Barbeques and Footy†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦ 7 5.2 Patriotism,†¦show more content†¦This can be seen as a potential halt in the development of Australia’s national identity as other countries may ridicule and mock the way in which they believe Australians live. 2.2 The Alcoholic When an individual discusses alcohol consumption and stereotypes the first thing that comes to mind is Australia and it’s ‘boozy’ culture. According to the Alcohol in Australia: Issues and strategies report undertaken by the Ministerial Council on Drug Strategy in the early days of Australia’s civilisation it shows that in the 1830’s in New South Wales 13.6 litres of alcohol in its pure state were consumes each year by an individual, predominantly males. Furthermore in more recent time’s mass media events have highlighted the positive framing of alcohol, with alcohol developing an identity with high profile sporting and cultural events (Strategy, 2001). This is ‘proven’ to be true in relation to stereotypes given to Australia around the world as a common theme in any alcohol advertisement is the relation of alcohol and having a good time at a major sporting event. When watching a sporting event the viewer is often bombarded with a lcohol messages through â€Å"Teams, athletes and coaches often being captured in the media celebrating a win with alcohol† (Cox, 2014). 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