Tuesday, December 24, 2019
How Rap Is Influenced by God Essay - 938 Words
Hip hop has become an important figure to mainly the African Americans turning into African American ââ¬Å"Englishâ⬠relating to the culture because of the singing culture/tradition. Many agree that people do look for ways to find accustoms towards the culture or tradition. ââ¬Å"Rap is the verbal-musical element of hip-hop which society mostly associates.â⬠(Stewart) Many songs relate through some sort of expression, describing the way the hardships of people may have gone through, such as mother or father passing, being involved in gang related crimes; murdering people, selling drugs having friends/family being killed. Also going through parents lacking care to the child, having to see many inhumane things out in the ââ¬Å"ghettoâ⬠has lead to many peopleâ⬠¦show more contentâ⬠¦During the 80s and 90s rappers did involve many of the ââ¬Å"socialâ⬠critiques that were being faced. Through out the lives of the emotionally damaged rappers there was usuall y a story to every one of the songs produced. Usually containing a background story, sometimes in form of prayer because the people that explain this, do not know in what other form to pray to God. Some may say that such rappers as in Tupac who believed that God was present even in the most pro founded depressing situations. Although rapped about many luxuries that were committed to the wants Tupac pertained, also did explore more into police brutality, poverty and corruption with the Government. Tupac was very concerned with the way society was being governed. Believing that the law had turned numb towards the minoritiesââ¬â¢ situation. Tupac began to think and contemplate. Tupac went through many hard dealing situations as well, thus coming back to why rappers feel as if the voice inside is silent and have no other way to be heard of. Music has been a greatly part of the ââ¬Å"rappersâ⬠life allowing to express and talk through stories within the lives of one another. Not just to society but also to God. The form of prayer the rapperââ¬â¢s pertain is just a call for someone to hear and act. ââ¬Å"There should be a class on why people are hungry.â⬠(Tupac) Why Tupac feels that society does not teach the people about real life but nonsense? Felt that society was being taught extremely immoral andShow MoreRelatedThe Mafia s Influence On Hip Hop1603 Words à |à 7 PagesThe Mafiaââ¬â¢s influence on Hip-Hop In Rap, there is a unique culture, history, social impact and influence on society. Hip-Hop/Rap is one of the most popular genre of music. It has helped shape the pop culture into what it is today. What is popular culture? The ideas, activities or products, which are popular among the general mass. In todayââ¬â¢s pop culture, one subject that is at the top of the list is hip-hop/rap. Hip-Hop music highlights verses consisting of slang and catchy phrases, which someRead MoreAnalysis Of The Movie Lecrae 1689 Words à |à 7 Pagesbeing in the ghetto, to finding God and becoming the most popular gospel rapper in America, this is Lecrae. Background of Artist: Lecrae- Lecrae Moore was raised on the soil of the south side of Texas in Houston. He was raised by a single mother and frequently moved locations throughout his childhood. He moved from San Diego, to Denver, and finally to Dallas. This exposed him to various types of cultures which influenced his music as he grew up. Before he venerated God and used his message with producingRead MoreKu Klux Klan, By David Walker931 Words à |à 4 PagesThe song ââ¬Å"Ku Klux No Fucksâ⬠is a rap song meant to capture the ideologies of a white, male, Ku Klux Klan member. The song is what is known in the rap community as a ââ¬Å"diss recordâ⬠, meaning that the song was made with intention of disrespecting or slandering a person, or group. In this case, ââ¬Å"Ku Klux No Fucksâ⬠is a diss record that slanders all non-white, non-Christian, non-heterosexual people in order to perpetuate the Klanââ¬â¢s residual, hegemonic, ideological belief structures. The contradictionsRead MoreMacklemo ores Shattering of Typical Rap Notions with The Heist715 Words à |à 3 Pagesquestion most peopleââ¬â¢s first response would not be Rap or Hip-Hop. Listening to todayââ¬â¢s rap music you hear the same rhythmic beat sampled and re-sampled to words that promote a ââ¬Å"look at what I have themeâ⬠. But in 2013 an artist scaled the charts with a style and twist to Hip-Hop that appears to transcend genres. The commercial success of the album The Heist by Ben Haggerty (Macklemore), produced by Ryan Lewis, has transformed societyââ¬â¢s notion that todayââ¬â¢s rap music only glorifies drug and alcohol use,Read MoreAnalysis Of Rio De Janeiro And Rio s Crisis Of Social Exclusion And Violence1644 Words à |à 7 PagesRioââ¬â¢s poor population, leading to an upswing in the number of bailes held. It can be said that carioca funk is a result of the resignification of African North American music by Brazilian artists. Brazilian artists have had a long history of being inf luenced by African North American artists prior to the soul and funk scenes, with numerous Brazilian artists becoming greatly successful. Carlos Palombiniââ¬â¢s expounds upon the impact and similitude between hip-hop and carioca cunk, in his article ââ¬Å"NOTESRead MoreHip Hop And Rap Music1628 Words à |à 7 Pagesverses in the bible where God is talking to the people of Israel and commanding them to praise him through music. Throughout the millenniums there have been many different types of music, over the years music has devolved into something spectacular. Over this last couple of decades theyââ¬â¢re has been a type of music that has grown, and become very important in todayââ¬â¢s society, and that has influenced many people. This genre is hip-hop/rap music. The hip-hop culture/ rap culture begin in New YorkRead More90s Hip Hop and Rap1320 Words à |à 6 PagesRap and hip-hop first started to come together in the 1970 s, but didn t really materialize and become popular until the 1990 s. With a huge surge in popularity and growth in the 1990 s, it seemed that rap and hip-hop had started a cultural phenomenon that still has noticeable effects easily seen today in music and also in pop culture. A cultural phenomenon is an idea, trend, or movement that shapes and defines that time period. During the 1990 s, rap and hip-hop spread like wild fire acrossRead MoreMisconceptions of Media Violence Essay1201 Words à |à 5 Pagesright and wrong comes from within and is not influenced by what is showed on television, or any other source of media for that matter. Advertising a product such as a George Forman grill is one thing... I myself have fallen for countless ads and sales pitches, but to use the media as a scapegoat for drug addiction, rape, and even murder is unfair and quite ridiculous. One might be influenced to buy a cologne, or a grill, but to be influenced to kill someone because of a violent show orRead MoreTranscendentalism in modern music1123 Words à |à 5 Pages Transcendentalism in modern music Transcendentalism influenced the 19th century and emphasized on the value of the individual and intuition. It was an idea that people were at their best when they we self reliant and independent. Ralph Waldo Emerson was the movements most important figure along with his main follower Henry David Thoreau. These two people were the most influential people during this movement. Transcendentalism was all about being an individual and it still endures todayRead MoreEssay On Tupac1498 Words à |à 6 PagesTupac Shakur, also known as 2pac and Makaveli, is a hip-hop icon. Not only was Tupac just a rapper, he was also a poet, actor, and a philosopher. Many people refer to him as a ââ¬Å"Rap Godâ⬠and ââ¬Å"The King of Rapâ⬠. Tupac was well-known for his ââ¬Å"Thugâ⬠image, rap skills, and his many conflicts. He changed the world, especially with his music and meaningful lyrics. He was born in the 1970ââ¬â¢s, during the time of high racism against African Americans and the crack epidemic. While growing up in East Harlem, N
Monday, December 16, 2019
Night Creature Hunterââ¬â¢s Moon Chapter 10 Free Essays
Will stared at the weapon and laughed. ââ¬Å"Hey, Jess, friend of yours?â⬠What was it with the people in this town? Didnââ¬â¢t anyone flinch at the sight of a gun anymore? ââ¬Å"What the hell are you doing?â⬠Jessie snapped. I ignored her. We will write a custom essay sample on Night Creature: Hunterââ¬â¢s Moon Chapter 10 or any similar topic only for you Order Now ââ¬Å"Where were you last night?â⬠ââ¬Å"Here.â⬠ââ¬Å"Anyone who can verify that but her?â⬠ââ¬Å"Whatââ¬â¢s wrong with her?â⬠Jessie demanded. ââ¬Å"You love him. If he turned furry beneath the moon, youââ¬â¢d protect him.â⬠ââ¬Å"Sheââ¬â¢s right.â⬠Will cocked a brow in Jessieââ¬â¢s direction. ââ¬Å"You would.â⬠ââ¬Å"But I donââ¬â¢t have to. Youââ¬â¢re not a werewolf.â⬠ââ¬Å"Prove it,â⬠I demanded. ââ¬Å"He already has.â⬠ââ¬Å"How?â⬠ââ¬Å"Take off your shirt.â⬠ââ¬Å"I donââ¬â¢t think I will,â⬠I said. Jessie sneered. ââ¬Å"Not you. Him.â⬠ââ¬Å"Iââ¬â¢m not into kinky.â⬠ââ¬Å"Shut up.â⬠I wanted to say something smart, but Cadotte drew his T-shirt off. He knocked the glasses and the pencils to the floor. He had almost as good a chest as Damien. Almost. There was a nasty just-healed wound in his upper arm. A bullet wound. ââ¬Å"Mandenauer shot him with silver.â⬠That sounded like Edward. He might look like someoneââ¬â¢s granddad but wasnââ¬â¢t. He could be the meanest, most ruthless son of a bitch Iââ¬â¢d ever known, if he needed to be. ââ¬Å"Do you think our boss would let Will into the group if he wasnââ¬â¢t certain he was safe?â⬠Jessie asked. She had a point. I put up my weapon, taking my eyes off Jessie. Big mistake. She grabbed me by the shirt and slammed me against the wall. ââ¬Å"If you ever pull a gun on him again, youââ¬â¢d better kill me first.â⬠Another slam and my head thunked the plaster. I saw stars. ââ¬Å"Got it?â⬠I got it. Any warm and fuzzy moments between us were just moments. She didnââ¬â¢t like me any better than I liked her. But we had a job to do. ââ¬Å"Leave her be, Jess. I canââ¬â¢t count the times you stuck a gun in my face.â⬠ââ¬Å"That was different.â⬠ââ¬Å"I know. You had the hots for me from the start.â⬠He smiled. ââ¬Å"Did she ever tell you how she found me naked in the woods?â⬠I glanced at Jessie, remembering her comments the first time weââ¬â¢d met. ââ¬Å"She did mention something.â⬠ââ¬Å"She thought I was a werewolf, too. But she couldnââ¬â¢t keep her hands off me anyway.â⬠I frowned. Theyââ¬â¢d slept together when she thought he was a werewolf? Ugh. My disgust must have showed on my face, because Jessie rolled her eyes. ââ¬Å"Youââ¬â¢ve obviously never been in love.â⬠I had been. But the werewolves had taken care of that. Since I didnââ¬â¢t want to elaborate, she shrugged and didnââ¬â¢t comment. ââ¬Å"Why did you think I was a werewolf?â⬠Will asked. Thankful for the distraction ââ¬â which took my mind off the memories and my mistakes ââ¬â I pointed at his arm, then flicked my finger toward his neck. He clapped his palm over the bandage. ââ¬Å"Oh, I forgot. I went to the grocery store.â⬠He peeled away the adhesive strip to reveal a hickey. ââ¬Å"Kind of embarrassing at my age.â⬠I glanced at Jessie. Her face was suspiciously red. I couldnââ¬â¢t resist. ââ¬Å"Miss high school much?â⬠ââ¬Å"Not in this lifetime,â⬠she muttered. Huh. High school was the most fun I ever had. Considering my present life, this was understandable. Sad, but understandable. ââ¬Å"What about the scratch on your arm?â⬠I asked. Will shrugged. ââ¬Å"Jess needs to cut her fingernails.â⬠Suddenly I was the one blushing. Iââ¬â¢d had sex. With Jimmy andâ⬠¦ My mind skittered away from that mistake like a crab running for safety beneath a rock. There were some places I would not allow my memories to go, ever, and the only time Iââ¬â¢d slept with anyone but Jimmy was one of those places. Still, Iââ¬â¢d never had sex that necessitated scratching and biting. I didnââ¬â¢t get it. Didnââ¬â¢t want to. ââ¬Å"What happened last night?â⬠Will asked. Jessie quickly filled him in. Willââ¬â¢s dark brown eyes narrowed. ââ¬Å"Nine wolves were eaten?â⬠He turned and sat back down at the table. ââ¬Å"I saw that. I just saw that.â⬠ââ¬Å"Saw what?â⬠ââ¬Å"Forget it.â⬠Jessie shook her head. ââ¬Å"Heââ¬â¢s gone. He wonââ¬â¢t hear you until he comes back to a little place I like to call earth.â⬠The two of us stood there, avoiding each otherââ¬â¢s gaze, watching Will mutter and shuffle papers. He tapped at the computer, squinted, patted his head, and blinked owlishly. ââ¬Å"Here.â⬠Jessie leaned down and picked up his glasses from the floor. He took them without looking at or thanking her, set them on his nose, and kept muttering, shuffling, and tapping. ââ¬Å"Aha!â⬠he cried, then tapped some more. A half an hour later, he sighed, lifted his glasses back onto the top of his head, then turned to us. ââ¬Å"Weendigo,â⬠he said. ââ¬Å"The Great Cannibal.â⬠ââ¬Å"Another manitou?â⬠Jessie asked. ââ¬Å"Yeah.â⬠ââ¬Å"Someone better explain, in English, for us i-juts.â⬠Jessie spread her hands. ââ¬Å"All yours, Professor.â⬠ââ¬Å"Better have a seat.â⬠Will gestured to one of the kitchen chairs. ââ¬Å"Only if I get some of that coffee Jessie keeps taunting me with.â⬠He laughed. ââ¬Å"Sure. I have a fresh pot set to go. Can you pour the water through, Jess?â⬠ââ¬Å"I guess. Iââ¬â¢ve heard your spiel before. But donââ¬â¢t go any further than Matchi-auwishuk.â⬠She disappeared into the kitchen, and I returned my attention to Will. ââ¬Å"Matchi-auwishuk?â⬠ââ¬Å"The Evil Ones.â⬠Well, this just kept getting better and better. ââ¬Å"You heard about the wolf god?â⬠he asked. ââ¬Å"Some.â⬠ââ¬Å"It was raised in an Ojibwe ceremony. A totem with the markings of the Matchi-auwishuk was used in combination withâ⬠¦ other things.â⬠ââ¬Å"What things?â⬠ââ¬Å"Blood, death, fire.â⬠ââ¬Å"You people sure know how to throw a party.â⬠ââ¬Å"Always have.â⬠ââ¬Å"Whereââ¬â¢s this totem now?â⬠ââ¬Å"Dr. Hanover has it. She thought she might be able toâ⬠¦Ã¢â¬ He trailed off, frowned. ââ¬Å"Iââ¬â¢m not sure what.â⬠ââ¬Å"You and me both.â⬠I wasnââ¬â¢t sure what Elise was up to half the time, and that was just fine with me. ââ¬Å"At any rate, the Matchi-auwishuk and the Weendigo are the two evil manitous of the Ojibwe people.â⬠ââ¬Å"And a manitou is?â⬠ââ¬Å"An all-encompassing spirit. Legend has it that Kitchi-Manitou, the great mystery, created everything. Manitous are guardians over humans, and everyone has mani-toulike attributes.â⬠ââ¬Å"Thereââ¬â¢s a little bit of God in us all?â⬠ââ¬Å"Exactly.â⬠ââ¬Å"What about the evil manitous?â⬠ââ¬Å"I like to think they arenââ¬â¢t within us all, but sometimes I wonder.â⬠After what Iââ¬â¢d seen, what Iââ¬â¢d done, I had to wonder, too. ââ¬Å"So the Evil Ones helped to raise the wolf god in Miniwa?â⬠ââ¬Å"Yes.â⬠ââ¬Å"And the Weendigo?â⬠ââ¬Å"Hold that thought!â⬠Jessie shouted from the kitchen. Seconds later she entered with three mugs. I could tell just from the smell of the steam that something wonderful was on the way. ââ¬Å"Sugar or cream?â⬠she asked. I shook my head, took a sip, swallowed, groaned. Jessie winked. ââ¬Å"Told you his coffee was almost as good as him.â⬠ââ¬Å"Can he cook, too?â⬠I asked. Will just smiled and sipped. I wished I were as at home in my own skin, as at ease with my differences, as he was. But I doubted I ever could be. ââ¬Å"Get on with it, Slick,â⬠Jessie ordered. ââ¬Å"What are we up against this time?â⬠ââ¬Å"Iââ¬â¢m not sure.â⬠Will set his cup on the coffee table, far away from his precious papers. ââ¬Å"Legend has it the first Weendigo was a fierce warrior who, after a particularly harrowing battle against mortal enemies, hacked off a piece of flesh from a fallen foe and ate it to show they were vanquished.â⬠ââ¬Å"Thatââ¬â¢ll do it,â⬠I murmured. ââ¬Å"Except the warrior grew to like the taste of humans and, despite warnings from the elders, he began to prey on people for his food.â⬠I remembered the brown werewolf. Had he eaten one ââ¬â make that nine ââ¬â of his own? The memory gave me food for thought. Ha-ha. ââ¬Å"After a time the great mystery ordained that any human behaving like a beast should appear as one, and the warrior became Weendigo. Cursed to haunt the forests and the wasteland of the north, forever hunting, forever starving, because no amount of flesh is ever enough.â⬠Will rooted through the papers scattered across the kitchen table, pulled one free, and gave it to Jessie. Her eyebrows lifted. She handed the sheet to me. Weendigo, read the caption. Lucky it did. Because I could swear the thing was a werewolf. How to cite Night Creature: Hunterââ¬â¢s Moon Chapter 10, Essay examples
Sunday, December 8, 2019
Ap-chemistry lab, indentify substance free essay sample
Sodium chloride white solid NaCl ionic noyes natural no reaction 801 Stearic acid white solid C18H3602 Slightly polar covlaent no bad x yes nox 69 Copper sulfate pentahydrate blue solid CuS04 ionic yes yes natural nox x 650 Material: Conductor HCI Distilled water Test tubes Melting point tester Ph paper Glass stick Procedure Test 1 :Tested the conductivity when all the materials are in solid state Put the conductors conductive end in to the material #3 Recorded the results. Repeat 1-2 for all the material Test 2:Test the solubility in water Put a little material #3in a test tube. Put 2-3 ml of distilled water. Stirred with the glass stick. Observed if the material was dissolving. Use a PH paper to test the PH of the solution. Repeat 1-6 for all the materials. Test 3: Test the conductivity in solution Used the conductor to touch the solution with the material#3. Record the result. Repeat for #7 and #16. Test 4: Test the solubility in hexane Put a little material#3 in a test tube. Added 2 ml of hexane. Stirred with a glass stick Observed if the material was dissolving, recorded the results. Repeat 1-4 for #7 and #16s. Test 5:Reaction with HCI Put a little material #3 in a test tube Added 2ml of HCI. Observed if there was reaction(which will show in bubbles). Recorded the result. Repeat 1-4 for all the materials Test 6: Melting points Used the cellular tube to poke the material# the tube. 3 until there was some substance inside Put the cellular tube in to the melting point tester, set the temperature Waited until the substance started to melt. Record the melting point. Repeat 1-4 for #7 and #16. Result experimental to 200 conductivity when solid solubility in water ph reaction in hexane melting points(below 200t) hcl conductivity when solution name of the substance #7 noyes 3, acidic no 165 noyes salicylic acid 3 no no not able to test yes 87 no no naphthalene #16 noyes acidic no not melting noyes sodium chloride #6 yes no no no not melting lot of bubble no magnesium Theoretical name of the substance type of compound solubility in water ph reaction in hexane melting pointsCC) hcl conductivity when solution #7 salicylic acid polar covalent yes acidic no 165 no yes #3 naphthalene non-polar covalent no neutral yes 85 no no #16 sodium chloride ionic yes neutral n0801 noyes #6 magnesium metal no neutral n0650 lot of bubble no Discussion For #7 could not conduct electricity when it was solid, but conduct when it was in olution so it was not metal. It was soluble in water so it could not be non-polar compound, because non-polar compound would not dissolve in polar solvent such as w ater. #7 substance did not dissolve in hexane which proved that it could only be polar covalent or ionic compound, because only non- polar compound could dissolve in hexane which was a non- polar solvent. The PH of the water solution of #7 was acidic, which meant it could only be polar covalent, because all the ionic compound in the list would only have a neutral or base solution. And it could only be either benzoic acid or salicylic acid. Benzoic acid has a melting point of 122C, and salicylic acid has a melting point of 159C. #7 substance melted at 165t which was closer to the salicylic acid. According to all the test results, #7 was proved to be salicylic acid. #3 could not conduct electricity when it was solid, so it was not metal. It was insoluble in water but soluble in hexane, so it could only be a non-polar covalent compound, since polar solvent only dissolve polar solute, non polar solvent only dissolve non-polar solute. And it couldnt conduct electricity when it was in solution state, which proved that it was a non polar compound. The only non polar compound had all these properties in the list are naphthalene and stearic acid. The melting point for naphthalene is 85t , and the melting point for stearic acid is 69C. The #3 substance melted at 8TC, which was closer to naphthalenes melting point, so # 3 snou d be naphthalene. Fo #16 could not conduct electricity when it was solid, but it could conduct electricity when it was solution, so it should be polar covalent compound or ionic compound. However, there was a experiment error in the PH test. In the experiment, the PH of the solution was acidic, which meant that it was a polar covalent compound, but the elting point of the substance was much higher than all the polar covalent compounds that had a acidic solution in the list. Ionic compound usually have a high melting point because it requires a lot of energy to break the ionic bonds. so I suspected it to be ionic compound. The ionic compounds in the list that didnt have a base solution are CaC03 , NaCl and Copper(ll) Sulphate pentahydrates. However, Copper(ll) Sulphate pentahydrates will have a blue solution, but the substance had a colorless solution, so the substance could not be Copper(ll) Sulphate pentahydrates. To test if the substance was CaC03 , I used HCI to test. Because CaC03(s) + 2 HCl(aq) CaC12(aq) + C02(g) + H20(l), so if the substance was CaC03 it would react with HCI and produce C02 gas which would show in bubbles. The substance did not reaction with HCI, and there was no bubble appeared, so the substance #16 was NaCl. For #6 #6 had a silver color and it conducted electricity while it was in solid state, so it was metal. The only metal with a silver color in the list were silver, zinc and magnesium. The magnesium is the most reactive metal in these three metals, because it had less valence and total electrons, so it had lower ionization energy. Sort these three metals ccording to their ionization, silverzincmagnesium. Ionization energy is the energy required to remove one valence electron. When metal react with HCI, a ionic compound will be formed and hydrogen gas will be released. So the metal that has a lower ionization energy will react quicker with HCI and more bubbles will appear. After 1. 0M HCI was added to #6, lots of bubbles appeared immediately. Through the reaction speed, we can know that #6 should be magnesium. Discussion questions 1. How do the melting points of ionic compounds compare to covalent compounds? What evidence from the investigation supports your conclusion? The melting points of ionic compounds are higher than covalent compounds. In the experiment, #16 NaCl was an ionic compound and it had a higher melting point compared to the other two covalent compound #3 and #7, Because the ionic bond is stronger than the covalent bond. In an ionic compound like salt NaCl, the sodium gives up one electron which goes to Join with the chlorine atom, it will form a stable crystal structure, all the cation and anion will attract each other , it takes more energy (heat) to make the ions come apart. When they do come apart and melt, one atom will still be more positive and the other more negative. In a covalent bond with the atoms share the electrons and neither atom has to give up its electron completely. Covalent compound will have weak intermolecular attractions but they wont be as strong as the ionic compound has. It requires less energy to break the bonds in covalent compound, so its melting point is lower than ionic compound. 2. When the solids were placed in water were all the results the same? What types of solids conduct electricity in water? Use your investigations to explain what happened. The partially positive and negative charges developed on the water molecule attract espectively the negative and the positive ions of the substance to be dissolved thereby breaking its chemical bond. Hence the substance dissolves. Ionic compound would dissolve in water, because water is a polar solution that can attract the cation and anion in the ionic compound. For an example, when #16 NaCl dissolves in water, it looks like the diagram below. Because there are freely moving ions in the water solution, so the solution can conduct electricity. In a polar covalent compound, there are no ions available for the water molecule to attract, because water and polar covalent compound posses the same dipole owers. Because of this, the water molecule uses Dipole-Dipole Attraction to dissolve the compound. For example, the salicylic acid will use their dipole powers to attract their negatively charges dipoles with the water molecules positively charged dipoles, and hydrogen will do the same. The intermolecular forces in salicylic acid are weaker than the dipoles attraction, especially the extra-strong hydrogen bonds that are formed between the hydrogen atoms. As a result, the salicylic molecule is separated by the dipole attraction and form ions surrounded by water molecules. Because here are freely moving ions in the solution, the solution is able to conduct electricity. Metal and non-polar covalent compound such as #6 and #7 wouldnt dissolve in water. Metal didnt dissolve in water because the metallic bonds are so strong and the metal had a same electronegativity so there wouldnt be a more negative or positive point in metal, so that the attraction of water could not dissociate the molecule. The metal itself can conduct electricity because it is freely moving electrons, but it wont dissolve in water so there is no freely moving ions in water, so the water wont conduct electricity. A non- polar covalent compound had a balanced charge, so its atoms were not attracted to water molecules, so that dipole-dipole attraction wont be about to dissociate the molecule. Because the non-polar covalent compound did not dissolve in water, so there was no freely moving ion in water to conduct electricity. 3. If the solid is ionic, explain why you cannot make the general statement that all ionic compounds are soluble in water. What evidence from the investigation supports your conclusions? ionic compounds containing highly polar ions (ones that are small and have a high charge) will usually not dissolve in water, but rather react ith it, or Just not dissolve at all. For example, CaC03 has a Ca2+ion and a C032-ion, the ionic bond between these two ions are so strong that the intermolecular attraction from hydrogen bond is not able to separate them. 4. Why was it necessary to use distilled water and not tap water? It was necessary to use distilled water because tap water might have dissolved ions that can conduct electricity or even react with the substance, and it will effect the experiment result. Naphthalene is a hydrocarbon, a covalent compound. Naphthalene is not soluble in water yet sugar is also a covalent compound and is soluble in water. Look at the structure of both compounds and explain what could Justify these results. Naphthalene is a non-polar covalent compound, because its molecular structure is symmetrical and balanced (fgure 1). Although the electronegativity difference between H and C are 0. 4, but the ring structure of naphthalene makes all the attractive force cancel each other in the opposite direction. All the atoms are evenly charged, and all the electrons are bonded, so the molecule is not polar and it is very stable. And the dipole- dipole force from water are not able to separate the molecule because the molecule is not polar. The electronegativity for C is 2. 5, O is 3. 5 and H is 2. 1, so between O and C there is 1. 0 difference, and between O and H there is 1. 4 difference. The stronger the electronegativity the atoms has, the more ability for the atom to attract electron towards itself, so the atom will become slightly negative, so the molecule will be polar. In the sucrose molecule, there are lot of OH groups in the molecule, which has a huge electronegativity difference of 1. , so the sharing electron between O and H would be pulled towards O, so O will be slightly negative, and H will be slightly positive, so the molecule is polar.
Subscribe to:
Posts (Atom)