Dissolving Sugar in Water Chemical or Physical Change

Is dissolving sugar in water an example of a chemical or physical change? This process is a little trickier to understand than most, but if you look at the definition of chemical and physical changes, youll see how it works. Here are the answer and an explanation of the process. Relating Dissolution to Change Dissolving sugar in water is an example of a physical change. Heres why: A chemical change produces new chemical products. In order for sugar in water to be a chemical change, something new would need to result. A chemical reaction would have to occur. However, mixing sugar and water simply produces... sugar in water! The substances may change form, but not identity. Thats a physical change. One way to identify some physical changes (not all) is to ask whether the starting materials or reactants have the same chemical identity as the ending materials or products. If you evaporate the water from a sugar-water solution, youre left with sugar. Whether Dissolving Is a Chemical or Physical Change Any time you dissolve a covalent compound like sugar, youre looking at a physical change. The molecules get further apart in the solvent, but they dont change. However, theres a dispute about whether dissolving an ionic compound (like salt) is a chemical or physical change because a chemical reaction does occur, where the salt breaks into its component ions (sodium and chloride) in water. The ions display different properties from the original compound. That indicates a chemical change. On the other hand, if you evaporate the water, youre left with salt. That seems consistent with a physical change. There are valid arguments for both answers, so if youre ever asked about it on a test, be prepared to explain yourself.

Human Rights Of A Global Market Now On Clearance

Human Rights in a Global Market: Now on Clearance (#prompt 4) The rise of globalization and technology has unquestionably enhanced the lives of millions of individuals in the past three decades, if not longer. Apple and Samsung gadgets, wholesale and bulked dry goods, and trendy retail clothing have made Western lives more enjoyable and have made companies ever more competitive. Without a doubt, the spike in globalization and industrialization has effected every member of the world – either positively or negatively. While some may enjoy rushing through Black Friday sales, there are others on the opposite hemisphere tirelessly working to continue producing the goods that will instantly sell out. It all depends on where you were born, what class you fell into, and luck. However, the perpetuation of the bad luck by someone or some group of people has extended so far as to cause several deaths, as noted in the Joel Johnson’s article, â€Å"One Million Workers, 90 Million iPhones, 17 Suicides.† So, in a world of interconnected n ations and globalization, who is the person or the group to blame for these deaths? Johnson admits partial responsibility by claiming that although minute, he intentionally hurt these slain workers in a manner as â€Å"inevitable and immeasurable as the fluttering silences of our sun. Just a little.† (Johnson, 8) Appealing to fellow iPhone consumers (almost all of the United States), he suggests that all consumers are equally responsible for their unfair treatmentShow MoreRelatedCorporate Social Responsibility in Automotive Industry1496 Words   |  6 Pagespromoting corporate social responsibility. 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Slavery in Rome and China Free Essays

1. In ancient Rome slavery became the indispensable foundation of the economy, and social status was a way to have political privilege and was praised upon in society. But in ancient China, they didn’t have as many slaves as the Romans, the had more of peasants contributing to society by working in fields, laboring on imperial estates, and maintaining canal channels. We will write a custom essay sample on Slavery in Rome and China or any similar topic only for you Order Now Chinese slaves also had legal protections provided by contracts specifying and limiting what would be demanded of them. The government depended more on a large population of free peasants to contribute taxes and services to the state instead of ordering people to do it under a contract. Slaves weren’t as important to China as to Rome because they did not rely on the labor of a large slave population, they were merely a provided service or someone to do chores more than an actual slave. The treatment of Chinese slaves was much less harsh of the Romans, mostly because it was against the law to kill your slave, kings even lost their kingdoms after it was found they had murdered their slaves. Slaves were mostly treated unjust and badly from their master, and were viewed as other forms of property. They were mostly treated like property when they were sold and purchased by masters. When they talked back or refused to work, most slaves were severely punished, although it was illegal to kill your slave in China. When they worked they were used to farm and fix things and with no rest or appreciation, inhuman things that were made for animals or tools. In ancient China the slaves â€Å"humanity† came into account when the Qin government sought to abolish slavery. However, the institution persisted into the Han dynasty and the Qin were unsuccessful in the abolishment of slavery, but it showed that the treatment of slaves were unjust and how they wanted to prohibit it. 3. Since slaves were overworked, and improperly treated most slaves tried some passive resistant tactics that slaves resorted to, to revolt against their master in a non violent manner. Most slaves made excuses not to work, blaming it on the weather, maybe even other slaves, and maybe the lack of tools or machinery for them to use. Some even slept too much to blame it on the lack of sleep their getting from overworking. The slaves did not really achieve anything but more work that had to be done. If it was raining outside, then they had to work inside, and if they complained about it they were punished. Slaves in china resulted in protection by a contract which made them protected by the government if masters broke the contract. How to cite Slavery in Rome and China, Papers