Whether soil particles are attached to carpet fibers, wood floors or restroom sinks, they need to be removed. But how is this done? Most of us wipe or scrub a dirty surface with soap and water without a second thought about how they actually work to remove soil. The process of removing dirt begins at the molecular level. In order to understand how soap works, we must first acknowledge what soap actually does.
By definition, soap is a mixture of sodium or potassium salts and long chain organic acids. One example of such a soap is Sodium stearate, NaCH3(CH2)16CO2. As you can see, a soap molecule is long. It has a carboxylate group called the head group which is polar and hydrophilic, or water attracting. The tail end is a fatty acid, which is non-polar and hydrophobic, or water repelling. In this way, soap is unique. One end attracts water while the other end pushes it away.
Initially soaps where made by heating sodium hydroxide with beef fat. Beef fat contains an ester formed between glycerol and stearic acid. The ester is then attacked by the sodium hydroxide, which releases the stearic acid as sodium stearate,
How does all this help soap clean things? Well soap dissolves in water. There is nothing special about this, since many substances have this property. Water is polar; the H2O molecules have an attraction for other polar substances such as soap, which is polar on the oxygen end of the molecule. When soap is added to water its head group, which is hydrophilic, is attracted to the water. Oil and grease etc. is non-polar, so only non-polar substances will dissolve in it.
Therefore, oil and water do not mix. This is why Oil does not dissolve when you run water over it. How does the oil wash off your hands if the water isn¡¦t soluble with the oil? This is where soap comes in. While soaps head is attracted to water its tail is attracted to non-polar substances such as oil. When oil and grease etc. mix with oil it creates a slightly polar substance because of the head group. This makes the oil soluble with water allowing you to wash off your hands with water and rinse the grease off.
Most detergents sold in stores today are more complicated then just a mixture of sodium or potassium salts and long chain organic acids.
They are also used in a variety of common products and processes. Sodium lauryl sulfate is a strong detergent used for removing oils and grease and is found in many household cleaning products, face and body washes and shampoos.
The struggle between good and evil, the rewards of Heaven, and the consequences of sin are all Christian themes shared in the works of Hildegard, Dante, and Milton. While their works vary in style and substance, they are informed by a common religious background and understanding. Hildegard’s Ordo Virtutum, Dante’s Inferno, and Milton’s Paradise Lost all have a common character in Satan. Satan in both the Ordo Virtutum and Inferno appears in a significant, but limited role. In Paradise Lost, Satan is a primary character and expresses a full range of traits and provokes a wide range of responses from the audience.
involved in the action of the soap and to help keep them aware of what
What are some general misunderstandings in the car wash and car wash soaps? A misunderstanding is that car wash and car cleaning is the same. The cleanliness of the car is more in the details and the interior cleanliness of your car. The washing is to the outside.
Following the standards of classic tragic heroes, Satan is a determined leader with an extreme amount of hubris. He knows that God is the most powerful being and yet he still rises against him, wanting more than just God’s highest approval. As compared to most tragic and epic heroes, Satan begins in a position of supreme status but his tragic flaw leads to his downfall. In Book I, Milton describes Satan’s fatal flaw of hubris:
It could be said that Hamlet is deliberately delaying his revenge for fear of actually committing it. However, religion was a focal part of people’s lives at the time the play was set and at the time it was written, one would be justified in claiming that Hamlet genuinely didn’t want to kill Claudius while he was praying to prevent him from going to heaven.
In the painting the skin tones of the people who are dead is drastically lighter than those of the people who are alive. It also uses color to show the darkness of the clouds which means that there was a storm and it uses lighter colors for the sky which means that the storm has passed. The painting uses color to draw your eye to the people waving their colorful clothes around. This in return draws your eye to the spec of color on the horizon which represents a ship. On the other hand, it also draws your eye to the man who is holding a little boy toward the back of the ship with the color of what appears to be a scarf on his head. In all this shows that color is used to help give the feeling of chaos and disaster in the
The intent behind making Satan the protagonist of Paradise Lost could have very well been Milton wanted people to sympathize with Satan. People are all flawed in some way or another. This text is Milton 's explanation of why people aren 't and can 't be perfect. Adam and Eve yielded to the temptation of Satan so now we all have a little of the devil inside of us. Because of the evil inside of us all we are able to relate to Satan more than God. Satan in
Satan demonstrates his leadership, intelligence, and traits valued by his fellow fallen angels within the first several books of Paradise Lost. Satan speaks eloquently throughout the entire work, which demonstrates both his intelligence and ability to manipulate others, “Powers and Dominions, Deities of Heaven!/For, since no deep within her gulf can hold/Immortal vigour, though oppressed and fallen,/I give not Heaven for lost...claim our just inheritance of old,/Surer to prosper than prosperity/Could have assured us, and by what best way, Whether of open war or covert guile,/We now debate; who can advise, may speak” (2.11-42). Satan beautifully addresses his peers and cunningly proposes a democracy, disguising his leadership and intentions of making the decisions himself. However, his companions in Hell blindly
At the beginning of the poem, Satan is viewed as a very majestic angel of great stature and an even bigger leadership skill. He is pictured as a hero in book one solely because the poem focuses on him and because it shows his pain "Both of lost happiness and lasting pain"(1) [55] "Torments him; round he throws his baleful eyes"(1) [56] "That witness'd huge affliction and dismay"(1) [57] his second transformation is where his evilness shows, Satan, after hearing about the new race and the new land, earth, travels all the way to earth in order to see it and see the new race. He tries to enter heaven, and to do so he transforms into a cherub, to deceive ...
To understand the purpose of privacy and confidentiality in health care research and clinical settings, one should know the definition of each, as both are applicable in each environment. Privacy is sharing of personal information by one party to another, with the expectation the information is held between the individuals (Novak, 2017). Confidentiality is how people treat, use and represent the information provided as part of a trusting relationship and is not disclosed to another without the permission of the individual sharing information (Novak, 2017).
Milton's introduction of Satan shows the reader how significant Satan is to Paradise Lost. He uses Satan's heroic qualities to his followers, and his ability to corrupt to show the thin line between good and evil. Satan was one of the highest angels in Heaven and was know as Lucifer, meaning, light bearer. This shows he was once a good angel. Milton makes the reader see him as a leader and a strong influence to all in his presence. He best describes Satan's ways when stating, "His pride/ had cast him out from Heaven, with all his host. / Of rebel angels, by whose aspiring/ To set himself in glory above his peers" (Milton Book I). Satan's pride was the main reason that God banned him from heaven. Satan always tried to be number one and a leader, instead of following in God's shadow. He would of lived a life in Paradise forever, but he had to follow his feelings as he states, "Better to reign in Hell than serve in Heaven" (Milton 31). This shows how strongly he felt about not being above everybody else.
It could be argued that the flaws in Satan’s character is such that we should feel no admiration toward him and neither fear or pity him but he can be seeming to inspire these emotions. Clearly this is seen when Milton states Satan’s tragic flaws such as envy, pride, and his ambition towards self-glorification. Satan’s pride is stressed throughout Paradise Lost. The important part to remember here is that Satan knows his weaknesses and flaws in his character through out the book. In Heaven, Satan’s pride convinces him that he is equal to God and thus sparks his ambition to defy God and challenges him for a democracy, while being envy at God’s appointment of his Son, this gives Satan the final excuse to challenge God’s
Basically, “cohesive forces decrease with an increase of molecular thermal activity.” (fsz.ifas.ufl.edu/surfacetensionandcapillarity) Which just means that the cohesive forces do not work well when the water has a warm temperature. An example is how you put your water an ice tray and put it in the freezer it freezes into ice cubes, this is because the temperature is so low that the cohesive forces bind together all the molecules in the water. The reason that dish soap and detergent lower the surface tension is because the soap molecule has a hydrophilic and a hydrophobic end, so the hydrophilic end stays attached to the water molecule and to the other hydrophilic ends of other molecules but the hydrophobic end stays away from the water. Since the soap has an end away from the water and new, weaker film forms. So, since the new film made from the soap is weaker than the original surface tension film the water’s surface tension is lowered. As a result, having the water for dishes or clothes hot and have a soap or detergent makes the cleaning more effective and
Peele, Anna. "The Future of Laundry! It's Even More Exciting than You Think." Expanded Academic ASAP. Hearst Communications, n.d. Web. 20 Feb. 2014.