Chemistry Archives - Page 27 of 31

Prepare and maintain a laboratory notebook, including a write-up of each experiment that details the purpose, chemical equations, calculation of theoretical yield, percent yield, and record of experimental observations.

Posted on November 15, 2020 by Adam

Objectives After completing this lab activity, you should be able to, Estimate the amount of aspirin in a solution. Synthesize aspirin and explain the mechanism. Use Material Safety Data Sheets (MSDS) to obtain information such as molecular formula, physical properties, hazards, and disposal procedures for chemicals used in each experiment. Prepare and maintain a laboratory […]

How long would it take a 1-kg radioactive substance with a half-life of 100 years to decay into 12.5 g?

Posted on November 15, 2020 by Adam

Radon is a naturally occurring, colorless, odorless, tasteless radioactive gas. Radon can build up in closed spaces like mines or buildings, and both radon and its decay products can be serious health hazards to people living and working where it has accumulated. Radon-224 undergoes alpha decay. What daughter nucleus is produced? Uranium-238 undergoes alpha decay. […]

Write a 3-page paper on this topic,Find 4 new things that you never knew about these topics, and talk about it in a well referenced, well written paper.

Posted on November 14, 2020 by Adam

Write a 3-page paper on this topic,Find 4 new things that you never knew about these topics, and talk about it in a well referenced, well written paper.

Describe Proteins, Carbohydrates and Lipids. Assume you are describing these to a colleague who is very intelligent but does not know anything about biology.

Posted on November 12, 2020 by Adam

Describe Proteins, Carbohydrates and Lipids. Assume you are describing these to a colleague who is very intelligent but does not know anything about biology. Describe the components of each of the biological molecules and comment on when life functions become manifest from these molecules.

What would be a pharmacological intervention that could have helped her and other patients with a similar condition?

Posted on October 17, 2020 by Adam

Retell the tragic story of Libby Zion from the *psychopharmacology* point of view (10 pts). Discuss her symptoms, diagnosis (2), focus on drug mechanisms and interactions (2), argue both for and against the role of cocaine in pharmacological mechanisms, causing her death (4). What would be a pharmacological intervention that could have helped her and […]

Discuss her symptoms, diagnosis (2), focus on drug mechanisms and interactions (2), argue both for and against the role of cocaine in pharmacological mechanisms, causing her death (4).

Posted on October 17, 2020 by Adam

Retell the tragic story of Libby Zion from the *psychopharmacology* point of view (10 pts). Discuss her symptoms, diagnosis (2), focus on drug mechanisms and interactions (2), argue both for and against the role of cocaine in pharmacological mechanisms, causing her death (4). What would be a harmacological intervention that could have helped her and […]

Describe and write balanced chemical equations for at least one common reaction in which the element is involved.

Posted on October 11, 2020 by Adam

1.Give the name and symbol of the element with atomic number and mass number. Tell the number of protons, neutrons, and electrons. 2.Tell the date the element was discovered, where, and by whom (if known). If the element was discovered in antiquity, tell which nation or tribe was the first known to use the element. […]

Examine the shapes you have drawn of the geometric sketch above and add the names of the electronic geometries and the molecular geometries from the list you used in Part I.

Posted on October 10, 2020 by Adam

3D Marshmallow Models Lab Activity Adapted from the California Learning Lab Today’s Question How do the bonded and non-bonded electron pairs on the central atom of a molecule determine the 3D shape of a molecule? Your Task You will use marshmallows and toothpicks to construct models of molecules with different numbers of electron pairs and […]

How do the bonded and non-bonded electron pairs on the central atom of a molecule determine the 3D shape of a molecule?

Posted on October 10, 2020 by Adam

3D Marshmallow ModelsLab ActivityAdapted from the California Learning LabToday’s Question. How do the bonded and non-bonded electron pairs on the central atom of a molecule determine the 3D shape of a molecule? Use marshmallows and toothpicks to construct models of molecules with different numbers of electron pairs and bonds to a central atom and compare […]

Demonstrate comprehensive understanding of thermochemical principles and the properties of particles and substances.

Posted on October 8, 2020 by Adam

Demonstrate comprehensive understanding of thermochemical principles and the properties of particles and substances – elaborating, justifying, relating, evaluating, comparing and contrasting, or analysing links between the properties of particles, the properties of substances they form, thermochemical principles, and related calculations.

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Category: Chemistry

Prepare and maintain a laboratory notebook, including a write-up of each experiment that details the purpose, chemical equations, calculation of theoretical yield, percent yield, and record of experimental observations.

How long would it take a 1-kg radioactive substance with a half-life of 100 years to decay into 12.5 g?

Write a 3-page paper on this topic,Find 4 new things that you never knew about these topics, and talk about it in a well referenced, well written paper.

Describe Proteins, Carbohydrates and Lipids. Assume you are describing these to a colleague who is very intelligent but does not know anything about biology.

What would be a pharmacological intervention that could have helped her and other patients with a similar condition?

Discuss her symptoms, diagnosis (2), focus on drug mechanisms and interactions (2), argue both for and against the role of cocaine in pharmacological mechanisms, causing her death (4).

Describe and write balanced chemical equations for at least one common reaction in which the element is involved.

Examine the shapes you have drawn of the geometric sketch above and add the names of the electronic geometries and the molecular geometries from the list you used in Part I.

How do the bonded and non-bonded electron pairs on the central atom of a molecule determine the 3D shape of a molecule?

Demonstrate comprehensive understanding of thermochemical principles and the properties of particles and substances.