How do you write a chemical abstract?

Answer 1

In general, an abstract is like a summary of the important discoveries of an experiment. It tends to include, in this order:

Here's an example of an experiment where I used an FTIR to evaluate the infrared behavior of methane, and used an acoustic sound cavity to determine the root-mean-square speed of sound in methane:

In this experiment, the infrared (IR) behavior of methane and the speed of sound through it were investigated. The IR spectrum of methane was acquired using a Perkin Elmer FTIR Spectrum 2000 at a #"0.05 cm"^(-1)# resolution, showing that of methane’s four unique vibrational modes (#A_1, E, 2T_2#), only the two triply degenerate #T_2# modes are IR-active by themselves, at #3018.90 (± 0.05) "cm"^(-1)# and #1306.50 (± 0.05) "cm"^(-1)#, respectively, where the former is the stretching mode and the latter is the bending mode. Combination bands can be seen at #4220.30 (± 0.05) "cm"^(-1)# (#A_1# stretch #+T_2# bend), #4317.80 (± 0.05) "cm"^(-1)# (#T_2# stretch #+ T_2# bend), and #4545.00 (± 0.05) "cm"^(-1)# (#E# stretch + #T_2# stretch), respectively.
In comparing the approaches of statistical mechanics, the equipartition theorem, the strongly quantized limit, and resonance frequency acquisitions in an acoustic cavity in determining the speed of sound in methane, the calculated speeds were #446.7 (± 2.4), 407.08 (± 0.07), 451.6 (± 2.4), and 447 (± 7)# #"m"cdot"s"^(-1)#, respectively. The errors with respect to the literature#""^([4])# are #-0.009%#, #8.8776%#, #1.088%#, and #0.0582%#, respectively. It was concluded that statistical mechanics calculations gave the most accurate determination of the speed of sound in methane.

I also used a Tektronix 2236 100 MHz Oscilloscope, a GW Instek GFG-8020H Function Generator, etc., but I didn't need to mention those in the abstract because they aren't unique instruments to the extent that you must use them to replicate the results.

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Answer 2

A chemical abstract usually presents the study's objectives, methodology, main findings, and conclusions in a succinct manner.

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Answer 3

To write a chemical abstract, follow these steps:

  1. Start with a concise statement of the purpose of the study or research.

  2. Provide a brief overview of the methods used in the research, including any experimental techniques or procedures.

  3. Summarize the key findings or results of the study, highlighting important data or observations.

  4. Include any significant conclusions drawn from the research, discussing the implications of the findings and any potential applications.

  5. Use clear and concise language, avoiding unnecessary jargon or technical terms.

  6. Ensure that the abstract accurately represents the content of the full paper or study.

  7. Proofread the abstract for clarity, coherence, and accuracy before finalizing it for submission or publication.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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