Which Statement Describes How a Basic Coffee Cup Calorimeter Works? A calorimeter is a tool that measures the amount of heat flow in a chemical reaction. The most common calorimeters include a coffee cup calorimeter and a bomb calorimeter. Coffee Cup Calorimeter A coffee cup calorimeter is basically polystyrene or a Styrofoam cup with a lid. It is simply one cup inside another with a cover to give insulation to the content mixed in it.  For a basic coffee cup calorimeter, a Styrofoam insulator and a sensitive thermometer complete the device. A more complex machine will have a Dewar flask, a double-walled container that has reduced pressure in between the two walls. Measure some amount of water, partially fill the cup, cover it, and insert a thermometer through the cup’s lid until the bulb is below the water surface. When a chemical reaction takes place inside the coffee cup calorimeter, the water absorbs the heat, which is produced as a result of the chemical reaction. The increase in the water temperature is used to calculate the amount of heat that has been…

Is Climate Change the main hindrance to the attainment of Environmental Sustainability? The topic I have selected for my op-ed falls under environmental sustainability in the form of global warming. There are many angles to look at when talking about climate change. It has been a cause for concern for years now with proof to back up the claim of its continued adverse effects on the earth at large. Climate Change has become the most talked-about problem this decade, with various organizations and institutions being set up to find a reliable solution to it. I chose this topic to highlight the forms of Climate Change the world has been experiencing. Another sector that my paper will cover is the various ways that have been proposed on how to combat and try to manage it effectively. What is also crucial is the origin of this situation and the best way to stop it. My paper suits the class well because of the range of ideas that can be used to achieve sustainability, particularly on the Environment. The goal is to benefit…

  Relationship Between Chronic Kidney Disease and Have Been Drinking Alcohol among US adults.       Student’s Name Professor Course Date                             Introduction   References Ding, C., Yang, Z., Wang, S., Sun, F., & Zhan, S. (2018). The associations of metabolic syndrome with incident hypertension, type 2 diabetes mellitus and chronic kidney disease: a cohort study. Endocrine, 60(2), 282-291. Mokdad, A. H., Ballesteros, K., Echko, M., Glenn, S., Olsen, H. E., Mullany, E. … & Kasaeian, A. (2018). The state of US health, 1990-2016: the burden of diseases, injuries, and risk factors among US states. Jama, 319(14), 1444-1472. Mirbolouk, M., Charkhchi, P., Kianoush, S., Uddin, S. I., Orimoloye, O. A., Jaber, R., … & Maziak, W. (2018). Prevalence and distribution of e-cigarette use among US adults: behavioural risk factor surveillance system, 2016. Annals of Internal Medicine, 169(7), 429-438. Kistler, B. M., Khubchandani, J., Jakubowicz, G., Wilund, K., & Sosnoff, J. (2018). Peer-reviewed: Falls and fall-related injuries among US adults aged 65 or older with chronic kidney disease. Preventing chronic disease, 15.…

What to Know if You Are Buying a Home Right Now The process of buying a home is a prolonged process that can be mind-numbing. The process is characterized by periods of frantic and confusing tasks. With resilience and a lot of research, your efforts will bear fruits, and the keys to your dream home will be the reward. Here are some of the things that you should be keen about. Homeownership is a contract. Home buying comes with papers that you will be required to sign. Most of the documents are contracts, which look like they are fixed and non-negotiable. That is far from being true because deals are supposed to agree on. You are not obliged to sign any agreement that does not please you. You might also need more time to do home inspection or you want to negotiate for a mortgage approval that you will use to settle the deal. For such a legally binding agreement, you need help from experts such as JP real estate experts. Check beyond paint It happens that once you get…

Chris brummer founder of Fintech Week Hard work and determination pays. A clear path that Dr. Chris Brummer decided to use to scale up in his career.  He is a Director and Professor at Georgetown University. He previously taught in leading universities and was a Vanderbilt School professor. Professor Chris Brummer has led several initiatives that touch on finance regulation. Dr. Chris Brummer has researched on the impact technology has and how authorities operate and regulate them. He has also offered insights to the government on how they can react when faced with financial challenges or developments. He serves as a member at Commodity Futures and Markets Authority alongside being a lecturer. Retired President Obama twice nominated professor Chris Brummer for the Commissioner post on commodity futures. He garnered a lot of support from the Senate. However, his reign was stopped when President Trump got into power. Being a lecturer, Professor Chris has based his lectures on international law, global governance, international trade, and finance. Apart from just being a lecturer, he also writes books and the most recent one…

            COMPRESSIBLE FLOW Institution Name     Introduction Fluid flow increases with a decrease in pressure; an increase in pressure decreases the resultant velocity. At point A the pressure is high; at point B, the pressure of the gas decreases. Calculation Cross sectional area of A = 22/7*0.06*0.06 = 0.0013.143M2 Cross sectional area of B = 22/7*0.005*0.005 = 0.00007857M2 Volume of gas in section B = 0.00007857M2 * 4 = 0.00031428 Cross sectional area of A = 22/7*0.06*0.06 = 0.0013.143M2 Weight of the gas in Kilograms per M2 = 0.52 * 1.225 = 0.637 The ass is choked since the outlet C, after choking to inlet A.   Conclusion The gas does not obey choked low in our system since no change in mass flow .pressure is high at point C compared to that of B; hence no gas at point C.     Reference Trapp, J. A., & Ransom, V. H. (1982). A choked-flow calculation criterion for nonhomogeneous, nonequilibrium, two-phase flows. International Journal of Multiphase Flow, 8(6), 669-681.          

                                     CHINA’S DEVELOPMENT MODEL     China’s development model, in my opinion, resembles a combination of both ISI and EOI strategies. Import-substituting industrialization (ISI) emphasizes the protection of infant industries. On the other hand, Export-oriented industrialization(EOI) stresses a capital-intensive industrial structure with much concern for exports.  Therefore, China’s development model has resembled both strategies over the years, with export promotion being used to sustain ISI. Additionally, ISI has always been the central focal point of development. China is a regional power with a vast internal market and, consequently, with a larger economy to engage in ISI. To conclude, China has put ISI on top of its agenda list and consequently sustained heavy industries’ development. China’s development model, in my opinion, resembles a combination of both ISI and EOI strategies. Import-substituting industrialization (ISI) emphasizes the protection of infant industries. On the other hand, Export-oriented industrialization(EOI) stresses a capital-intensive industrial structure with much concern for exports.  Therefore, China’s development model has resembled both strategies over the years, with export promotion being used to sustain ISI. Additionally, ISI has always been the central…

                What is social stratification? Based on its characteristics, meaning, and types. Student’s Name Date of Submission Institution Name                       Introduction When we read through world history, there are different types of stratification system with varies from their degree of vertical mobility. Education is the key factor that influences these social stratifications. However, sociologist mentioned that social stratification is the differentiation of any population into their respective classes. The categorization of people into their socioeconomic levels is based on features like wealth, income, power, race, and education that are composed of upper and lower social classes (Mangal, 2015). There are also some inequalities in larger social patterns, sociologists noted that stratification not all about the systematic differences based on classes and group membership, even in some societies, where properties and wealth are mainly non-existent inequality differences vary on individuals based on on on gender and age-set. It is also true that no person rich or poor is answerable for social inequalities but individuals…

Child labor Child labor is a global problem that many children all over the world are exposed to. It is not only an evil act but also a violation of their rights as children. The united states define a child as any citizen who falls under the age of 21yrs. Child labor involves children under the specified age in situations where they have to work. Not all work done by children is classified as child labor. It is only classified as child labor when the work is done for the purpose of making an income either to support themselves or their families. When children work to progress and nurture their skills or education, that is not child labor. Usually, older children in the homes will be required to do chores in their homes. This is not child labor as it trains them on responsibility and prepares them for life as adults. Forced labor is when a child has to work in the industries doing tasks not fit for their age, but forced by distances like poverty or political instability. One…

What is entrepreneurship? Entrepreneurship refers to the process of discovering improved methods of combining resources to create value. Entrepreneurship involves designing, launching, and effectively running a new business venture despite the risks of making a profit. The different types of entrepreneurship include millennial, feminist, cultural, social, institutional, nascent, project-based, and ethnic. An entrepreneur is an individual who develops, designs, and manages a business. Commonly, an entrepreneur is an innovator of new business propositions. Some of the essential attributes of successful entrepreneurs are efficient management skills, good leadership skills, and strong team building capabilities. To be an entrepreneur, one needs to be a risk taker with a perceived uncertainty perception. An entrepreneur also needs be coachable and willing to accept advices from investors and other experienced persons. Besides, to be a successful entrepreneur, one needs to be able to identify and create opportunities that satisfy a need in their society. Entrepreneurs need to be proficient communicators (through the use of verbal and nonverbal cues) to carry out the daily operations of the business (Parker, (2018). People choose to be entrepreneurs for…