Category: Chemistry

Would you expect the E or Z isomer of the alkene product to be more stable? What is your reason for this prediction?Based on your proton NMR spectrum and yields, which alkene (E vs. Z) was the major product of this reaction? What was the percentage E vs. Z-alkene in your product?

Lab report 3

Would you expect the E or Z isomer of the alkene product to be more stable? What is your reason for this prediction?

What is the % yield of your product? Show your calculations! Note: consider which
reactant was the limiting reagent.

Interpret the IR spectrum of your isolated product. Assign peaks to the functional groups present in the product.

Interpret the proton NMR spectra of your isolated products. Were you able to obtain the pure E and pure Z isomers of DMANS?

Based on your proton NMR spectrum and yields, which alkene (E vs. Z) was the major product of this reaction? What was the percentage E vs. Z-alkene in your product?

In your opinion, do you think this is a stereoselective reaction (e.g., it favors one stereoisomer of the product over another stereoisomer)? Is the reaction stereospecific (e.g., it forms only one stereoisomer of the product)?

Determine which solution, buffered or unbuffered reacted with more moles of NaOH when the equivalence point was reached?What is the formula of citric acid and the sodium salt of citric acid?

THE BUFFER IN LEMONADE

Determine which solution, buffered or unbuffered reacted with more moles of NaOH when the
equivalence point was reached?

2. Observe the graph of each titration. How does the titration curve of the buffered lemonade
compare to the curve of the unbuffered citric acid solution?

3. What is the formula of citric acid and the sodium salt of citric acid?

Discuss any negative OR positive impacts of your element. Based on this information, should the usage of this element be altered in any way.

Math/Physic/Economic/Statistic Problems

Using the function derived in question 2, calculate and graph 10 points based on the half-life of your element. Be sure to appropriately label each of the axes of your graph, and appropriately label your graph. In paragraph form (200 word minimum), address the following:

What trend do you see?

Give at least two observations from your graph (possibilities include the Y-intercept and its meaning, is the graph always increasing? Is the graph always decreasing? Is there a change in direction?)

Your graph will have a Y-Intercept as a point. Use critical thinking strategies to determine if this is applicable in a real-world scenario.

Discuss any negative OR positive impacts of your element. Based on this information, should the usage of this element be altered in any way.

Compound X is known to contain carbon, hydrogen, and oxygen. When 3.46 grams of compound X is burned in the presence of oxygen, 6.34 grams of CO: and 1.73 grams of H2O are qsovered. What is the empirical formula of compound X?

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Final Answer:
Copper (II) tetra-ammonia chloride has the chemical formula Cu(NH3)402. What is the percent composition of each element in copper (II) tetra-ammonia chloride?
Cu:o ° ° o H: % Cl:
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Compound X is known to contain carbon, hydrogen, and oxygen. When 3.46 grams of compound X is burned in the presence of oxygen, 6.34 grams of CO: and 1.73 grams of H2O are qsovered. What is the empirical formula of compound X?

What is your purpose in applying for graduate study in your specified degree program? Describe your area(s) of interest, including any subfield(s) or interdisciplinary interests.What are your plans for your career after earning this degree?

Statement of purpose of UCLA

What is your purpose in applying for graduate study in your specified degree program? Describe your area(s) of interest, including any subfield(s) or interdisciplinary interests.

What experiences have prepared you for advanced study or research in this degree program? What relevant skills have you gained from these experiences? Have your experiences led to specific or tangible outcomes that would support your potential to contribute to this field (examples: performances, publications, presentations, awards or recognitions)?

What additional information about your past experience may aid the selection committee in evaluating your preparation and aptitude for graduate study at UCLA? For example, you may wish to describe research, employment, teaching, service, artistic or international experiences through which you have developed skills in leadership, communication, project management, teamwork, or other areas.

Why is the UCLA graduate program to which you are applying is the best place for you to pursue your academic goals? If you are applying for a research master’s or doctoral program, we encourage you to indicate specific research interests and potential faculty mentors.

What are your plans for your career after earning this degree?

Go through articles 1 and 2 listed below and list two radioisotopes along with their use in the medical field. ( 2 points) Even though radioisotopes have so many benefits in imaging, why is it so important to regulate their uses? (3 points)

Nuclear Chemistry:

Go through articles 1 and 2 listed below and list two radioisotopes along with their use in the medical field. ( 2 points) Even though radioisotopes have so many benefits in imaging, why is it so important to regulate their uses? (3 points)

1 https://idph.iowa.gov/Portals/1/userfiles/124/MajorUsesofRadioisotopes_IDPH_Rad_Health.pdf (Links to an external site.)

2. https://www.ansto.gov.au/education/nuclear-facts/what-are-radioisotopes (Links to an external site.)

Organic Chemistry: It is the Chemistry of carbon compounds. go over articles 3 and 4 and list five functional groups in organic compounds. (5 points).

3. https://www.masterorganicchemistry.com/2010/10/06/functional-groups-organic-chemistry/ (Links to an external site.)

4. https://chem.libretexts.org/Courses/Sacramento_City_College/SCC%3A_Chem_420_-_Organic_Chemistry_/Text/02%3A_Structure_and_Properties_of_Organic_Molecules/2.09%3A_Organic_Functional_Groups

The lessons we take from obstacles we encounter can be fundamental to later success. Recount a time when you faced a challenge, setback, or failure. How did it affect you, and what did you learn from the experience?

The lessons we take from obstacles we encounter can be fundamental to later success. Recount a time when you faced a challenge, setback, or failure. How did it affect you, and what did you learn from the experience?

The three dimensional aspects of a molecule provide several piece of information to a chemist. provide a molecule and discuss the particular characteristics of this three dimensional example. (Ie, polarity, solubility, etc.) 

The Three Dimensional Aspects of a Molecule

The three dimensional aspects of a molecule provide several piece of information to a chemist. provide a molecule and discuss the particular characteristics of this three dimensional example. (Ie, polarity, solubility, etc.)

Complete 3 paragraphs each. 9 sentences each paragraphs. stay on topic. use this Source: Introductory to Chemistry Fifth Edition Nivaldo J. Tro Chapter 10 Chemical Bonding