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- Explain the meaning of the following terms and phrases: 1.1 Precision of a set of results. 1.2 Noise around an analytical signal. 1.3 A shelf-life of an aqueous trace metal standardWhat is commonly determined using Atomic Spectroscopy? Bodn energy Elemental composition Concentration StructureHow does spectroscopy help to identify an element?
- A solution has a %T value of 48.2% at 600 nm. What is the absorbance of this solution at this wavelength?1. TRUE OR FALSE a) Organic compounds are normally analyzed in atomic spectroscopy despite their small electronic transition range. b) Atomic spectroscopy can detect both absorption and emission radiation as electrons move from HOMO to LUMO.You have two solutions of the same compound that are blue. one is very pale and the other is very intense. Absorbance of each solution was measured with a spectrophotometer at the same wave length at which the solution absorbs. (A) Which solution has the higher absorbance? (B) Which is the more concentrated solution?
- Explain the concept of Nuclear magnetic resonance spectroscopy ?What do you understand by estimation? Justify that using higher values of Cl gives better estimations.Which of the following explains why a more concentrated dye solution has a higher absorbance? A. There are more dye molecules in the solution so more isotopes reach the detector. b. There are more isotopes in solution to emit photons. c. There are more dye molecules in solution to emit isotopes. d. There are more isotopes in solution to emit protons. e. There are more dye molecules in the solution to absorb photons.
