Create an Endothermic Chemical Reaction

Most  endothermic reactions  contain toxic chemicals, but this reaction is safe and easy. Indeed, this experiment requires no toxic chemicals  -- a rarity in chemistry studies. Use it as a demonstration or vary the amounts of citric acid and sodium bicarbonate to make an experiment. Materials Citric acid and baking soda are available at most grocery stores. Citric acid is used for canning, while baking soda is used for baking. Heres what youll need: 25 milliliters of citric acid solution15 grams of baking sodaplastic foam cupthermometerstirring rod Creating the Reaction Pour the citric acid solution into a  coffee cup. Use a thermometer or other temperature probe to record the initial temperature.Stir in the baking soda  -- sodium bicarbonate. Track the change in temperature as a function of time.The reaction is: H3C6H5O7(aq) 3 NaHCO3(s) → 3 CO2(g) 3 H2O(l) Na3C6H5O7(aq)When you have completed your demonstration or experiment, wash the cup out in a sink. Tips for Success Feel free to vary the concentration of the citric acid solution or the quantity of sodium bicarbonate.An endothermic is a reaction that requires energy to proceed. The intake of energy may be observed as a decrease in temperature as the reaction proceeds. Once the reaction is complete, the temperature of the mixture will return to ​​room temperature.

Is North Windsor High School - 987 Words

We are currently living in a digital age where our students are notably technologically proficient. This poses a challenge with how some of our students are currently learning (or trying to learn) in our classrooms. Many students have grown tired of reading dense texts for homework assignments and tired of listening to long, boring lectures from teachers at school. The way in which students are currently analyzing and interpreting texts that they read and videos that they watch have not been up to our standards here at North Windsor High School. The thing is, a lot of our teachers are also struggling between teaching with both print text and by digital means. North Windsor High School acknowledges the fact that many seniors graduate not having the digital skills and print text literacy necessary to lead successful lives after high school. We are beginning to implement some changes with our teaching methods and hope to incorporate technology and print text in different and more en gaging ways. Many of our students have smartphones, laptops, and tablets they use throughout the school day for school work. While some students depend on their devices to look up the current fashion trends and football stats, we feel that technology has also enabled students to think in a different way. Many students are quick on their feet to Google information to prove their friend wrong, send texts and emails in less than 10 seconds, and get excited when they are allowed to use theirShow MoreRelatedAnalysis Of The Windsor Football Team889 Words   |  4 Pages â€Å"Losers talk about losing and winners talk about winning.† Wise words from The North County coach, a High school football team that we played earlier in the season. This regular season was more of a bust for the Windsor football team than anything. 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What Are Some of the Factors That Contribute to the Increase of Crime in Cites Essay Sample free essay sample

It is a common fact that offense rates are quickly increasing in metropoliss. It is of import to acknowledge that this is chiefly due to a more important rural hegira: The addition of population in these urban countries. Therefore. the presence of slums. ghettos and destitute vicinities. These increasing offense rates appear to be more obvious amongst the young person therefore ensuing in an addition non merely in general offense but in juvenile delinquency. In this account. we will explicate the grounds behind this of import issue. Please list out your subject sentences. As these quickly increasing offense rates seem to be more seeable amongst the juvenile population it is of import to take into history the influence of one’s socioeconomic background. One ground to explicate why a immature individual would come in into the universe of offense ( whether it be junior-grade larceny. drug covering or homicide ) is hapless rearing accomplishments and an deficient mental and societal development as a kid. We will write a custom essay sample on What Are Some of the Factors That Contribute to the Increase of Crime in Cites? Essay Sample or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page If a juvenile does non have the appropriate nurturing and instruction that is necessary in order to go a responsible grownup. this person will stop up seeking these factors from exterior beginnings. This comment leads us to speak about the influence that an single income and instruction can hold on these increasing offense rates. This is peculiarly of import to detect in a sphere of income as these persons will seek for other signifiers of doing a life and this will finally take to their engagement in offenses and drug trafficking. Topic sentence? It has been noted in the debut that juveniles who find themselves populating in these destitute countries frequently gain easy entree to narcotics and intoxicant. These two factors contribute tremendously to an individual’s exposure to the universe of offense. Additionally. drugs and intoxicant frequently ruin a immature individual’s opportunities of success and they will go stuck in a barbarous rhythm of poorness and delinquency. Another of import factor is the influence of media on the young person. ( This point should be in the following paragraph ) Children and adolescents are frequently exposed to violent picture games and uncensored telecasting therefore presenting them to a universe where force and offense are accepted. Although this is created for amusement intents it has an of import psychological consequence on the young person. Restate subject sentence In order to work out the job of increasing offense rates. hapless rearing accomplishments. income and instruction. easy entree to drugs and intoxicant and the influence of the media need to be taken into consideration. It is of import to acknowledge that this issue is really harmful to our modern society and could take citizens to populate in a universe of fright and paranoia. Restate thesis statement?