## Tuesday, August 25, 2020

### Percent Composition by Mass Example Problem

Percent Composition by Mass Example Problem Percent creation by mass is an announcement of the percent mass of every component in a substance compound or the percent mass of segments of an answer or amalgam. This worked model science issue works through the means to ascertain percent creation by mass. The model is for a sugar 3D shape broke down in some water. Percent Composition by Mass Question A 4 g sugar solid shape (Sucrose: C12H22O11) is broken up in a 350 ml teacup of 80 Ã‚ °C water. What is the percent arrangement by mass of the sugar arrangement? Given: Density of water at 80 Ã‚ °C 0.975 g/ml Percent Composition Definition Percent Composition by Mass is the mass of the solute separated by the mass of the arrangement (mass of the solute in addition to mass of the dissolvable), increased by 100. The most effective method to Solve the Problem Stage 1 - Determine mass of solute We were given the mass of the solute in the issue. The solute is the sugar 3D square. masssolute 4 g of C12H22O11 Stage 2 - Determine mass of dissolvable The dissolvable is the 80 Ã‚ °C water. Utilize the thickness of the water to locate the mass. thickness mass/volume mass thickness x volume mass 0.975 g/ml x 350 ml masssolvent 341.25 g Stage 3 - Determine the absolute mass of the arrangement msolution msolute msolvent msolution 4 g 341.25 g msolution 345.25 g Stage 4 - Determine percent structure by mass of the sugar arrangement. percent structure (msolute/msolution) x 100 percent structure ( 4 g/345.25 g) x 100 percent structure ( 0.0116) x 100 percent structure 1.16% Answer: The percent structure by mass of the sugar arrangement is 1.16% Tips for Success Its essential to recollect you utilize the complete mass of the arrangement and not simply the mass of the dissolvable. For weaken arrangements, this doesnt have a tremendous effect, however for concentrated arrangements, youll misunderstand an answer.If youre given the mass of solute and mass of dissolvable, life is simple, yet in the event that youre working with volumes, youll need to utilize thickness to locate the mass. Recall thickness shifts as indicated by temperature. Its far-fetched youll discover a thickness esteem relating to your definite temperature, so anticipate that this figuring should present a modest quantity of mistake into your count.

## Tuesday, July 28, 2020

### New Student Photo Series 2010 Entry #12 COLUMBIA UNIVERSITY - SIPA Admissions Blog

New Student Photo Series 2010 â€" Entry #12 COLUMBIA UNIVERSITY - SIPA Admissions Blog Dear incoming students, please continue to send in photos.   Last summer we had close to 100 entries and I would like to eclipse that this year if possible.   So if you have not submitted photos yet, please do so.   Instructions on how to submit are here. ___________________________ The first set of photos come from Ethan Wilkes, an incoming focusing in Economic and Political Development. ___________________________ At the feet of the Great Leader North Koreans of all walks of life are required to pay their respects to the late Kim Il Sung, President for life of the DPRK (a title which he continues to retain well into death). Here is a group of schoolgirls doing exactly that at the feet of a VERY large statue of him. Chinas Wild West in the area known as Kham, traditionally the eastern frontier of Tibet and now the whole of western Sichuan Province, a monk, two cowboys and a Han settler share a drink. Yours truly defying a bit of gravity myself in the wilds of western China. ___________________________ The next set of photos is from Nathan Gardner, an incoming MIA student. ___________________________ Taken in Autumn of 2007 during Chuseok (Korean Thanksgiving) holiday in South Korea.   I took this picture in Kangwa Island during a temple stay.   The stone guardian is for a nearby burial mound and in the background is a traditional Korean house with a gate and surrounding wall. This type of housing is rare for South Koreans because most live in high rise apartments in urban areas. During the Spring of 2009 in Washington, DC I took this while volunteering with the Japan-America Society during the Sakura Matsuri and National Cherry Blossom Festival.   The performer in the middle is a dancing lion accompanied by a flute player and narration. While backpacking through South East Asia in the Winter of 2008 I took this photo in Laos.   Located on the top of Phu Si, which is a tall steep hill in the center of and overlooking the old capital of Luang Prabang.   This was a creative way to use US ordnance from the 1960s-70s.

## Friday, May 22, 2020

### Analysis of Bi-Lingualism and Biculturalism Phenomena Free Essay Example, 1000 words

An additional factor that I think has a connecting link to the level of acculturation is the age of the L2 student. I think that younger students find it easier to acculturate into the new environment. Chomsky opined that by a certain age the LAD is worn out and is no longer available by puberty. Indeed I do agree with this opinion. From my observation, adolescents (and more so adults) have great difficult acculturating in a new environment when the LAD is no longer available. This exacerbates the challenges of learning the L2 and presents the possibility of a poor outcome. The introduction to socio-linguistics as a course has paid substantial dividends to me. It has widened my horizons and made me come to appreciate the importance of all dialects and languages. I mention this because it relates to the attitude of one writer who believed some languages, such as the various lingua franca, pidgins and Creoles, have marginal status. As a child growing up, I had friends who were Jamaica ns. We all spoke the English language, but somehow they pronounced some of their words differently, such as mon for man. We will write a custom essay sample on Analysis of Bi-Lingualism and Biculturalism Phenomena or any topic specifically for you Only \$17.96 \$11.86/page Both masters and slaves spoke a different language and for the development of the trade, a lingua franca was developed. The second stage of the development occurred because there was a need for social communication between the different social groups. Slaves came from different places and spoke different languages, hence the need for another type of lingua franca, called a pidgin.