Definition of Boiling Point in Chemistry

Definition of Boiling Point in Chemistry The boiling point is the temperature at which the vapor pressure of a liquid equals the external pressure surrounding the liquid. Therefore, the boiling point of a liquid depends on atmospheric pressure. The boiling point becomes lower as the external pressure is reduced. As an example, at sea level the boiling point of water is 100  C (212  F), but at 6,600 feet the boiling point is 93.4 C (200.1  F). Boiling vs. Evaporation Boiling differs from evaporation. Evaporation is a surface phenomenon that occurs at any temperature in which molecules at the liquid edge escape as vapor because there is not enough liquid pressure on all sides to hold them. In contrast, boiling affects all molecules in the liquid, not just those on the surface. Because molecules within the liquid change to vapor, bubbles form. Types of Boiling Points ​Boiling point is also known as  saturation temperature. Sometimes boiling point is defined by the pressure at which the measurement was taken. In 1982, the International Union of Pure and Applied Chemistry (IUPAC0 defined the standard boiling point as the temperature of boiling under 1 bar of pressure. The normal boiling point or atmospheric boiling point is the temperature at which the vapor pressure of the liquid equals the pressure at sea level (1 atmosphere).

First Love, by John Clare and La Belle Dame Sans Merci, by John Keats Essay Example

First Love, by John Clare and La Belle Dame Sans Merci, by John Keats Essay Example First Love, by John Clare and La Belle Dame Sans Merci, by John Keats Paper First Love, by John Clare and La Belle Dame Sans Merci, by John Keats Paper Essay Topic: Poetry The two poems, First Love, by John Clare and La Belle Dame Sans Merci, by John Keats have a similar theme, unrequited love. Compare and contrast the poets effective use of language and form to convey their ideas effectively. In the poems First Love, by John Clare and La Belle Dame Sans Merci, by John Keats both poets deal with unrequited love. In Clares poem, it is the love of the knight for the woman, which is not returned. This is very similar to Keats poem where it is a knight again whose love for a woman is not returned. Both poems portray romantic poetry to us. In the pre-twentieth centuries romance was imaginative love like that shown in Clares poem. This type of romance is similarly shown in Keats poem. In Keats poem, we also see modern romance, which is romantic love. : Clares poem is set in contemporary times; he is recounting the experience of falling in love for the first time: I neer was struck before that hour With love so sudden and so sweet. This makes it clear to us that the knight in the poem is falling in love for the first time. Keats poem on the other hand is set in the times of King Arthur, which was the thirteenth century. The time, which the poem is set, is well suited to the context of a bewitched knight. In Clares poem no blame is given to the girl whom he falls in love with maybe because she did not deliberately set out to captivate the knight like the enchantress in Keats poem appears to do: She lookd at me as she did love, And made sweet moan. This is very similar to the woman in Robert Brownings poem Porphyrias lover who seduces the man by baring her shoulder and murmurs how she loves him. In both poems, both of the knights in the poem seem to fall under the spell of the woman. This is shown on the very first line of Clares poem: I neer was struck before that hour The use of the word struck gives us an image of someone unexpectedly being hit by a spell. The word struck also gives us an image of someone being struck by one of cupids arrows, which put someone under a spell making them fall in love. This makes the use of the word struck very effective. This can be seen as similar to the Knight in Keats poem that also appears to be under a spell: For sidelong would she bend, and sing A faerys song. The mention of faerys suggests something supernatural, as fairies are small creatures, which possess magical power, which could be used to put someone under a spell like in the poem. These spells seem to make the knights loose their vision, feel trapped, and look pale. These effects are very similar to the imagery, which is used throughout both poems. In Keats poem, he uses the image of how pale the man is throughout the poem to show the effects of the spells: O, what can ail thee, knight-at-arms, Alone and palely loitering? This can be linked to the description of the people in his dream: I saw pale kings and princes too, Pale warriors, death-pale were they all This can finally be linked to the use of the word palely at the end of the poem: And this is why I sojourn here Alone and palely loitering, This imagery used by Keats is similar to that which is used by Clare: My face turned pale as deadly pale, Although in some parts of the poem the imagery can be seen as similar, some of the imagery used is also different. It is different because in Keats poem the imagery is often literal: She took me to her elfin grot, While in Clares poem the imagery is often metaphorical: And stole my heart away complete. This can be linked to the form of the poem. Clare sets his poem in every day life and feels as though his heart has been stolen. This puts a literal interpretation on a romantic clichà ¯Ã‚ ¿Ã‚ ½. Clare then extends this metaphor both literally and metaphorically. Keats poem is different to Clares poem because it is written in the form of a ballad, which tells an Arthurian tale in which a knight falls into the clutches of a cold-hearted enchantress: La Belle Dame sans Merci Hath thee in thrall!' The story of this poem is told as a tale within a tale in which the poet meets the knight who recounts an experience. The use of the two voices in this poem is useful because it draws us in. First with the poet arousing our curiosity on the first line: O, what can ail thee, knight at arms, Then the knight satisfies the curiosity aroused by the poet: I met a lady in the meads, The way which the poet uses repetition of the word palely emphasises death and sickness. The idea of death is also emphasised by the setting of the poem, where the sedge is withered and birds do not sing. This does not only signify death but also prepares us for something sinister: The sedge has witherd from the lake, And no birds sing. These images of death are used throughout the poem. In both poems, the experience has affected the men and will for the rest of their lives. In Clares poem he can never fall in love again: My heart has left its dwelling place And can return no more. While the knight is forever trapped to pine away and die on the hillside unless the spell on him is broken: And this is why I sojourn here Alone and palely loitering, Clares poem is written in the form of an autobiographical account of an experience. Keats poem on the other hand is a ballad, which tells a salutary tale. Although they are written in different forms they both show the same thing, how powerful and destructive love can be. Both of the poems show victims of love. Clare is clearly a victim of love and Keats is victim of La Belle Dame who uses love to achieve power over him: And sure in language strange she said I love thee true. Clares poem is set out in three eight line stanzas which rhymes on alternating lines The first two stanzas show the immediate effect of his falling in love, and the final stanza then draws the experience together as life changing. In contrast to Clare Keats uses the traditional form of a ballad where each stanza contains four lines and rhymes on every other line. This makes Keats poem very lyrical and the poem forms a warning against love. The use of sans merci is very significant because it is clear to us that La Belle Dame is either a sorceress or enchantress. By using sans merci, we see that she does not have mercy for the men which she puts under her spell as she quickly loses interest after they are in her clutches. She is always looking out for new conquests, relishing her power over the men. No one can resist her charms not even the most powerful of people such as kings, princes, and brave warriors. In both poems, both of the poets John Clare and John Keats give us their similar views on love causing illness and death. We see this as realistic as in both poems the poets use literal and metaphorical imagery to persuade us that love causes illness and death. In Keats poem, the knight becomes pale as if he is ill which enforces Keats view of love as an illness. In Clares poem, he has lost the ability to love as if he is ill.

Virtual world Assignment Example | Topics and Well Written Essays - 2000 words

Virtual world - Assignment Example 6 Figure 2: village†¦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‚¬ ¦ 10 Figure 3 Figure 1: the village with houses†¦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‚¬ ¦.. 10 Figure 4 Figure 2: a complete waste management game†¦Ã¢â‚¬ ¦..†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.. 12 1.0 Abstract The virtual world is an online society, which is in the form of a computer system environment. The main elements of the virtual world are the avatars that are visible to each other in 2-dimension, 3-dimension, and even as textual. The users of the virtual world related or interact through a computer based 3-D system and create objects no matter where they are located physically. The virtual world application enables the ma ny users to use such computer applications at the same time. Virtual world applications are used in marketing, prototyping, training, sales, replication and distance learning. Development of Digital virtual world involves the ability of producing a user-friendly environment where multiple users are able to interact. The virtual world is commonly used in institutions, schools, government organization, institutions, and corporations. Virtual world enables users to meet online and have the feeling of being together thereby enabling partnership of different countries. 2.0 Introduction In the world today, needs are arising of enforcing strong values on waste disposal through education of the masses, coming up with strategic planning and creating tools for effective communication towards enhancing behavioural change. To best capture the majority specifically the youthful population, there has been need to develop a series of game are designed that will capture their attention. Games are v iewed to be enjoyed when played. While people engage in playing games, learning is also enhanced through the game. Youths sand children are expected to gain constructive knowledge through virtualizing their world. Notably, the development of the game involves the same methodologies as applied in the application development. Therefore, this project aims at deploying the Agile Application development method. The Agile game development usually aims at educating children and youths on the collection of waste materials, that helps in conserving the environment. 3.0 Related Work Numerous virtual game applications are available in the market. Simcity Application is an example of a virtual world game where users can play the game by creating and managing modelled societies and world. Simcity does not make use of individual Avatars as a demonstration of the players. The Math - city is an example of simulation-based learning that supports students in their learning process especially in Mathe matical calculations. The advancement in Mathematics is used to promote the growth in the community. Recycle city recommends a point-and-click interfaces that will help in delivering environmental education the people. Nonetheless, this project will employ the 3D virtual world approach that can explore the use of an avatar as association and competition social methods. In this sense, the learner playing the game that involves environmental management techniques will develop the sense and the need of environmental conservation through the game (Kalivarapu et al, 2004, Pg. 7). 3.0 Objectives of the project The project is designed to help