Chemistry

Discuss the reason why salt, when it dissolves the ions separate. Why does the water molecules cluster around each of them in hydration shells?

Forum Instructions: Each student must post a substantial initial post with a minimum of 275 words by Wednesday. All posts must contain at least 2 professional references, one may be the course textbook, properly cited in the current APA format. Discussion Topic: Discuss the reason why salt, when it dissolves the ions separate. Why does […]

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Date: July 4th, 2022

Polychlorinated biphenyls (PCBs)

In this assignment I would like you to prepare a timeline of an organic molecule ( choices below) which synthesis was associated with a joy and a feeling of a great success, but later , after decades of use , the chemical was banned because of the environmental disaster or health concerns.  Polychlorinated biphenyls […]

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Date: June 28th, 2022

Apply the scientific method to propose a hypothesis and set up an experiment including positive and negative controls and appropriate units of measurement.

Apply the scientific method to propose a hypothesis and set up an experiment including positive and negative controls and appropriate units of measurement. Predict the numbers of protons, neutrons, and electrons given the atomic symbol or limited information for a specific isotope of an element and relate them to atomic mass and charge. Determine chemical […]

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Date: June 26th, 2022

NaF – Sodium Fluoride

solve and explain these probelms 4.24. Name the following compounds: (a) NaF – Sodium Fluoride (b) Rb2O – Rubidium oxide (c) BCl3 – Boron Trichloride (d) H2Se – Hydrogen Selenide (e) P4O6 – Tetraphosphorus Hexaoxide (f) ICl3 – Iodine Trichloride 6.41. An experiment in a general chemistry laboratory calls for a 2.00-M solution of HCl. […]

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Date: June 24th, 2022

Part 1: Explain how green chemistry principles can be applied to one of these five topics: Radioactive waste Peak power: Demand Safety Security

Part 1: Explain how green chemistry principles can be applied to one of these five topics: Radioactive waste Peak power: Demand Safety Security (weapons proliferation and physical protection) High power-Plant Costs This assignment must meet the following criteria: Minimum word count: 300 words APA format Works-cited page Part 2: Provide feedback to me if this […]

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Date: June 21st, 2022

The difference between luminescence and chemiluminescence.

This is 5-page single space paper. The purpose of this paper is to write a journal manuscript to report the experiment results to technical audience. Writing a manuscript for a peer-reviewed journal addresses the final point. It is important to clearly and precisely communicate scientific ideas and results in peer-reviewed journals so that there is […]

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Date: June 20th, 2022

Context: Alcohols are among the most common organic compounds.

Context: Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. Alcohols can exist in all chain lengths and can take on primary, secondary or tertiary structures. These […]

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Date: June 17th, 2022

What are Depth Studies

What are Depth Studies? A depth study is any type of investigation/activity that a student completes individually or collaboratively that allows the further development of one or more concepts found within or inspired by the syllabus. It may be one investigation/activity or a series of investigations/activities. Depth studies provide opportunities for students to pursue their […]

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Date: June 17th, 2022