Recent questions in Chemistry

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What functional groups are present in a given organic compound and how can they be identified using infrared spectroscopy?

asked Jan 30 in Analytical Chemistry by GMVEnriqueta (350 points)

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1 answer 9 views

What functional group(s) are present in the given compound and at what wavelength do they absorb maximum in UV-Vis spectroscopy?

asked Jan 30 in Analytical Chemistry by curious_george (1.0k points)

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What functional group(s) are present in an unknown compound that has an absorption peak at 1720 cm⁻¹ in its infrared spectrum? How do you interpret this peak to identify the specific type(s) of functional group(s) present in the compound?

asked Jan 30 in Analytical Chemistry by IsabellSchul (490 points)

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What functional group(s) are present in a given unknown compound using infrared spectroscopy and how can they be identified through characteristic infrared absorption peaks?

asked Jan 30 in Analytical Chemistry by Eddie97G1445 (410 points)

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What functional group(s) are present in a compound with the molecular formula C3H6O, as determined by infrared spectroscopy?

asked Jan 30 in Analytical Chemistry by DannyFlowers (870 points)

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1 answer 65 views

What are the specific steps and techniques used in X-ray fluorescence spectroscopy to determine the presence of a particular element in a given sample and what are the limitations of this method in accurately identifying the concentration and distribution of the element?

asked Jan 30 in Analytical Chemistry by KristalWearn (350 points)

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1 answer 62 views

What are the specific functional groups present in a given organic compound, and can they be identified using infrared spectroscopy? How can the data obtained from an infrared spectrum be used to confirm the presence of these functional groups?

asked Jan 30 in Analytical Chemistry by ReneFrederic (530 points)

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1 answer 67 views

What are the specific functional groups present in a given organic compound (unknown substance) which exhibits absorption peaks at 1650 cm^-1 and 1740 cm^-1 in IR spectroscopy and a peak at 220 nm in UV-Vis spectroscopy? Use the graph of absorptivity versus wavelength to determine the identity and concentration of those functional groups.

asked Jan 30 in Analytical Chemistry by FannieAuster (350 points)

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1 answer 78 views

What are the functional groups present in the given unknown compound and how can they be identified using infrared spectroscopy?

asked Jan 30 in Analytical Chemistry by Della9405948 (270 points)

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1 answer 63 views

What are the functional groups present in an unknown organic compound that has an IR spectrum showing a strong absorption band at 1730 cm^-1 and weak bands at 2960 cm^-1 and 3300 cm^-1? Identify the possible functional groups and explain the reasoning behind your identification.

asked Jan 30 in Analytical Chemistry by GeorgiaGoldb (390 points)

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1 answer 71 views

What are the functional groups present in an unknown organic compound and what are their characteristic infrared absorption frequencies as determined through infrared spectroscopy analysis?

asked Jan 30 in Analytical Chemistry by EmmaMsq72893 (550 points)

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1 answer 51 views

What are the functional groups present in a given organic compound and how can they be identified using infrared spectroscopy? Provide a step-by-step explanation of the process involved in analyzing the infrared spectrum of the compound to determine the functional groups present.

asked Jan 30 in Analytical Chemistry by KaceyGreaves (560 points)

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1 answer 40 views

Using X-ray diffraction, determine the chemical composition of an unknown mineral sample.

asked Jan 30 in Analytical Chemistry by LacyWehner92 (410 points)

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1 answer 47 views

Using X-ray diffraction, analyze the crystal structure and determine the chemical composition of an unknown mineral sample provided.

asked Jan 30 in Analytical Chemistry by BettyNnl3643 (300 points)

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1 answer 74 views

Using the melting point determination technique, determine the purity of a sample of aspirin and compare it to the expected melting point range for pure aspirin. Additionally, propose possible sources of error in the experiment and suggest ways to minimize them.

asked Jan 30 in Analytical Chemistry by NelsonRuby19 (550 points)

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1 answer 70 views

Using the data obtained from a nuclear magnetic resonance spectroscopy experiment, identify the structure of an unknown organic compound with a formula of C10H12O3.

asked Jan 30 in Analytical Chemistry by CarltonJjs44 (390 points)

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1 answer 69 views

Using polarography, determine the concentration of lead ions (Pb2+) in a drinking water sample obtained from a home in a certain locality.

asked Jan 30 in Analytical Chemistry by RositaTomlin (670 points)

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1 answer 81 views

Using nuclear magnetic resonance spectroscopy, determine the structure and functional groups present in an unknown organic compound with a molecular formula of C10H12O2.

asked Jan 30 in Analytical Chemistry by DarbyReis18 (650 points)

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1 answer 63 views

Using nuclear magnetic resonance spectroscopy data, how can you identify the structure of an unknown compound and determine the number and environment of hydrogen atoms present in that compound?

asked Jan 30 in Analytical Chemistry by KarolynElg36 (610 points)

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1 answer 54 views

Using mass spectrometry, identify the unknown compound X given the following key mass spectral data: molecular ion peak at m/z 112, base peak at m/z 91, and characteristic fragment peaks at m/z 73 and m/z 57. Provide a molecular structure proposal for compound X based on the mass spectral data.

asked Jan 30 in Analytical Chemistry by SimonPritcha (280 points)

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