Evaluate the best sensors to characterise different toxics and agents of interest using suitable instrumentation

The student is requested to be critical at all times and critical comments, critical evaluations of the techniques and validity of their use, comparisons with other techniques and commentaries on the suitability in the field of study are expected. The learning outcomes students are expected to cover in this assignment are: 1. Contrast and compare […]

Describe the greener alternatives to the use of reaction conditions such as substitution by safer reaction conditions, modification of processes to allow the use of new or unusual reaction conditions.

CHM2211L is certified as a Global Citizens course and may be used to fulfill partial requirements of the Global Citizen Award upon successful completion of the course . The GCP project is on green chemistry. At the end of the semester, you are required to prepare singled spaced 4 pages or a 2000 ̶2200 word […]

What are the bubbles that you see in a positive (+) catalase reaction?

Catalase and Oxidase Tests on Unknown For this week’s lab assessment, you will answer just a few questions regarding the oxidase and catalase assays and unknown results and then you will continue to work on your lab report. For week 10, you will make sure that you are: 1) continuing to work on your introduction […]

Critically evaluate the role of biological factors in the aetiology & symptoms of specific psychiatric disorders and the contribution of pharmacological treatments to our understanding.

This coursework assignment will assess the following learning outcomes: • Critically evaluate how drugs work on the brain and how this produces changes in psychological functioning. • Critically evaluate the role of biological factors in the aetiology & symptoms of specific psychiatric disorders and the contribution of pharmacological treatments to our understanding.

Calculate the mass of the re-condensed liquid in the liquid, m. You can calculate this mass as the difference between the mass of the Erlenmeyer flask, boiling chips, aluminum foil cap and liquid recorded in step 10 of the procedure, and the mass of the Erlenmeyer flask, boiling chips, and aluminum foil cap recorded in step 2 of the procedure.

A. Perform the following calculations for each determination. 1. Calculate the mass of the re-condensed liquid in the liquid, m. You can calculate this mass as the difference between the mass of the Erlenmeyer flask, boiling chips, aluminum foil cap and liquid recorded in step 10 of the procedure, and the mass of the Erlenmeyer […]

Why is the ability to draw a Lewis structure considered a core chemistry skill?How do you know when you need to add one or more multiple bonds to complete a Lewis structure?

1. What is the difference between a single bond and a multiple bond? 2. Why is the ability to draw a Lewis structure considered a core chemistry skill? 3. Draw the Lewis structure for hydrogen, the simplest molecule and explain the drawing. 4. Draw the Lewis structure for PCl3, phosphorus trichloride, the chemical used commercially […]

What do the results mean?How do they compare with others work?Discuss the strengths and limitations of your experiment

Dry lab report on (Preparation of Ethyl 4-aminobenzoate) Compare results with what you expected to get Analyse the experimental error cause and size of errors and their impact. How they could be avoided? What do the results mean? – link them back to the theory How do they compare with others work? This should be […]

Assess various ISPP options currently available to space missions, as well as potential ISPP systems and accurately ascertain the practicality of the system.

Lunar and Martian In-situ Propellant Production Assess various ISPP options currently available to space missions, as well as potential ISPP systems and accurately ascertain the practicality of the system.

Describe alpha, beta, and gamma radiation.Explain the effects of radiation on DNA.Analyze the chemistry of DNA.

Prepare a full 2 pg paper in which you analyze the effects of ionizing radiation on oligonucleotide acid (DNA) to provide a chemical reason as to why this might cause cancer. In your paper, include the following items: o Describe alpha, beta, and gamma radiation. o Analyze the chemistry of DNA. o Explain the effects […]

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