Calculate Concentration of Ions in Solution

This worked example problem illustrates the steps necessary to calculate the concentration of ions in an aqueous solution in terms of molarity.  Molarity is one of the most common units of concentration. Molarity is measured in  number of moles  of a substance per unit volume.   Question a. State the concentration, in moles per liter, of each ion in 1.0 mol Al(NO3)3.b. State the concentration, in moles per liter, of each ion in 0.20 mol K2CrO4. Solution Part a.  Dissolving 1 mol of Al(NO3)3 in water dissociates into 1 mol Al3 and 3 mol NO3- by the reaction: Al(NO3)3(s) → Al3(aq) 3 NO3-(aq) Therefore: concentration of Al3 1.0 Mconcentration of NO3- 3.0 M Part b.  K2CrO4 dissociates in water by the reaction: K2CrO4 → 2 K(aq) CrO42- One mol of K2CrO4 produces 2 mol of K and 1 mol of CrO42-. Therefore, for a 0.20 M solution: concentration of CrO42- 0.20 Mconcentration of K 2Ãâ€"(0.20 M) 0.40 M Answer Part a.Concentration of Al3 1.0 MConcentration of NO3- 3.0 M Part b.Concentration of CrO42- 0.20 MConcentration of K 0.40 M

Jane Austens Novel Sense and Sensibility An Analysis

Jane Austens groundbreaking novel Sense and Sensibility is a relationship-driven account of female protagonists. Sense and Sensibility shares much in common with other novels by and about women. Themes like autonomy versus independence and the role of women in a patriarchal society are explored in Sense and Sensibility. Using two sisters to symbolize the different directions the female spirit can be pulled, Austen shows the variable ways women respond to political, social, and economic oppression. The women of Sense and Sensibility are both trapped by, and breaking free from, the conventions of marriage and motherhood. Marriage and motherhood are portrayed ironically as the natural course of womens lives, but also as the chain that prevents their self-fulfillment. The social norm of patrilineal inheritance leaves Elinore and Marianne Dashwood, and their mother, penniless and dependent on distant male family members. Marriage and motherhood are restrictive roles for women, and yet Aus ten never provides a satisfactory alternative for Marianne. Marianne seems willing to break free from patriarchal social norms, but she ends up being a slave to heterosexual romance. The message in Sense and Sensibility ends up being rather bleak: women remain socially, economically, and politically oppressed because they cannot envision or enact suitable independent alternatives. Like the female protagonist in Charlotte Perkins Gilmans The Yellow Wallpaper, Marianne drives herself insaneShow MoreRelatedEssay on Jane Austen Novels: Success After Death1679 Words   |  7 PagesJane Austen Novels: Success after Death Chuck Leddy, a notable critic, stated Upon her death in 1817, English novelist Jane Austen was completely unknown in the literary world. Why would someone as brilliant as Jane Austen not be world known? 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Portuguese and Proud free essay sample

So if youre Puerto Rican, why do you look so white? Ryan blurted out. Shes so not Puerto Rican. Her last name is Russian! My Spanish teacher turned bright red, and all eyes locked on me, waiting for an answer. She started to speak, but I stood up out of my chair, opening my mouth and lineage to a full classroom on my first day. Im not Puerto Rican, Im Portuguese. And Im not Russian either, I was adopted. Ryan stared at the Spanish book in front of us intently, as if he could somehow read my heritage through its worn, fiesta-themed cover. Oh. I grinned and sank back into my seat. Dont worry about it. I couldnt even spell my last name for six months. I was adopted at twelve by my step-father: a large, Russian man whose last name translates to butcher. We will write a custom essay sample on Portuguese and Proud or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page He roamed about the house only at night, like a vampire, speaking in quick, sharp, syllables and phrases. His mannerisms and accent were so mesmerizing to me that I wrote a novel about vampires one year after my adoption. I never knew my biological father, but I idolized my step-father as any child would a parent and referred to him as daddy-with the occasional Count Dracula, of course. But why did my mother marry someone named Stanislav after a guy named Pete? My curiosity sparked once I realized how little I knew about my biological father. I began to bombard my mother with questions: Was Pete from Portugal? Did he have dark hair and fair skin like me? Did he play guitar? Did he like cold pizza and popcorn, too? I never learned very much substantial information about my biological father, but that hasnt stopped me from exploring my Portuguese heritage. I joined my schools international club in hopes of learning more about the Portuguese culture, and each fact I ascertained furthe red my inquisitiveness. Since Portuguese was not a language offered at my school, I opted for one year of Latin and three of Spanish so that I can survive in Portugal when I visit. Ive traveled overseas to England, Scotland, and Italy to expand my knowledge of European culture, and I plan on traversing Portugal next to learn about my lineage. I havent used my heritage to define who I am; rather, I have used it to discover my curiosity and determination when faced with a seemingly dead end. By exploring the Portuguese culture I realized I wasnt searching to find myself, I was searching in order to create myself. Learning about my Portuguese heritage has helped me to look in a mirror and identify the girl grinning back. I have my fathers obsidian eyes, my mothers curiosity, and my daddys smile-and maybe his maniacal laughter, too.

Jaws Vs. Drew Carey Essays - Walt Disney Parks And Resorts

Jaws Vs. Drew Carey Jaws Vs. Drew Carey The Final Cut Mom, can we go to Florida is a common phrase heard when school is out. Deciding where to go and what to see is a very hard decision for cash strapped parents. Picking one park is even harder when they are both five minutes apart from each other. When you want to see top amusement parks, you have a choice of two of the biggest names in the Industry, Disney-MGM or Universal. Both parks offer a different experience, yet they started with the same goal in mind, entertain the guest. Both Disney-MGM Studios and Universal Studios draw their theme and inspiration from film and television. They both offer rides based on television and movies, some of which can be fun, educational, or a look behind the scenes of the art of making movies. The studios are both working film and television production centers. The size of each park is a major separating factor. Nearly half of Disney-MGM is off limits to guest except by guided tour, while Universal is virtually all open for exploration. Unlike Disney-MGM, Universals backlot is open for the public to walk among the movie sets. Universal informs people that they are a working picture and television studio, and only incidentally a tourist attraction. Guests are more likely to see a movie or picture in production at Universal then at Disney-MGM. With Universal being completely open to guest, the size difference become readily apparent, while trying to navigate around the different rides and attractions in the parks. Attractions at both parks are excellent, though Disney-MGM rides are designed to move people on and off faster. Each park competes with one another to build better rides for their guest. The rides at both parks break new ground in engineering, power, and originality. Both parks offer 3-D simulation rides, Roller coasters, and stunt shows. Waiting to ride the rides has changed considerably since Universal started operations. FastPass is a program that lets you set appointment times for rides. This was first introduced in Universal and largely ignored by the other amusement parks. In 1999, Disney-MGM started using this program on certain rides. FastPass allows a rider to get a reservation for a set time instead of having to wait in line. This helped cut down waiting times at both parks. This works well except when a ride breaks down. One of the setback or advantages to the two parks is that they both offer different product mixes. This is great if you want to spend more then one day at different parks, but when money and time are a factor it is a disappointment not being able to see both. Universal and Disney-MGM both provide good exposure to the cinematic arts. Universal programs are typically more informative and comprehensive. Disney-MGM is more on the level of infomercials for their movies and television shows. Disney-MGM and Universal are comparable on the price to enter their parks, so deciding which park to go to is a choice that is all based on individual preference. If you are a big fan of Jaws, King Kong, Woody Woodpecker, or The Blues Brothers then Universal has a great offering designed for you. Disney-MGM on the other hand offers you Drew Carey, The Muppets, and the Twilight Zone. The only way to truly enjoy the experience is to go to both parks, that way the only thing left to decide is which overpriced restaurant in the parks you are going to eat in. Sports and Games