Spectroscopy Basics | Engineering Chemistry

00:02:08
https://www.youtube.com/watch?v=dkARLSQWHH8

Ringkasan

TLDRSpectroscopy is a scientific technique that examines the interaction between electromagnetic radiation and matter, particularly focusing on how energy absorption and emission by electrons occurs in atoms or molecules. When radiation strikes a material, it can be absorbed, causing electron transitions from a ground state to an excited state, or emitted, as electrons revert to a ground state, releasing radiation. This method is widely utilized for analyzing the internal structures of complex organic and inorganic compounds. Although it involves high initial costs, its efficiency and minimal sample requirements make it a cost-effective long-term solution for structural determination.

Takeaways

  • 🔍 Spectroscopy studies how electromagnetic radiation interacts with matter.
  • ⚡ Absorption occurs when electrons absorb energy, jumping to excited states.
  • 📈 Emission is the release of radiation as electrons return to ground states.
  • ⌛ Spectroscopy is time-efficient compared to traditional structural methods.
  • 💧 Requires minimal sample amounts for analysis.
  • 💰 Long-term cost-effective despite high initial setup costs.
  • 🔬 Ideal for examining complex organic and inorganic molecules.
  • 🧬 Provides insights into molecular structure and energy state differences.

Garis waktu

  • 00:00:00 - 00:02:08

    Spectroscopy is the study of how electromagnetic radiation interacts with matter, resulting in energy changes in particles. This interaction can occur through absorption, where electrons jump from a ground state to an excited state, or emission, where electrons fall back to the ground state, releasing radiation. Spectroscopy is crucial for analyzing the internal structure of complex organic and inorganic compounds, offering advantages like reduced sample requirements and time efficiency, despite high initial setup costs. The energy involved in these processes corresponds to the difference in energy levels of the electron states.

Peta Pikiran

Video Tanya Jawab

  • What is spectroscopy?

    Spectroscopy is the study of the interaction between electromagnetic radiation and matter.

  • How does absorption work in spectroscopy?

    Absorption occurs when electrons in atoms or molecules absorb energy from electromagnetic radiation and jump to an excited state.

  • What happens during emission in spectroscopy?

    Emission occurs when atoms or molecules return from an excited state to the ground state, releasing electromagnetic radiation.

  • What are the advantages of spectroscopy?

    Spectroscopy is time-efficient and requires less sample material compared to traditional methods, making it cost-effective in the long run.

  • What types of materials can spectroscopy analyze?

    Spectroscopy is widely used to study the internal structure of complex organic and inorganic compounds.

  • What is the relationship between energy and electron states in spectroscopy?

    The energy of the electromagnetic radiation absorbed or emitted is equal to the difference between the energy of the excited and ground states.

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Teks
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Gulir Otomatis:
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    give a brief introduction to
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    spectroscopy we know that
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    electromagnetic radiations carry energy
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    in waves so when these energy carrying
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    waves strike any material
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    particle they produce some change in the
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    particle the study of the effects of
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    interaction between electromagnetic
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    radiation and matter is called
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    spectroscopy
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    thus spectroscopy is the study of
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    interaction of electromagnetic radiation
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    with
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    matter there are two ways in which the
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    interaction between electromagnetic
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    radiation and matter can take place by
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    absorption and by
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    emission let's first discuss about
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    absorption when the electrons present in
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    atoms or molecules of the matter absorb
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    energy from electromagnetic radiation
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    falling on it they jump from ground
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    state to excited
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    state this phenomenon is called
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    absorption now let's discuss about
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    emission when the atoms or molecules
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    present in the matter jump from excited
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    state to the ground state they release
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    electromagnetic radiation this is called
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    emission spectroscopy is extensively
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    used to study the internal structure of
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    matter especially molecules of complex
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    organic or inorganic compounds
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    some of the major advantages of using
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    spectroscopy over trivial methods of
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    structural determination of complex
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    compounds are it is a very less time
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    consuming the amount of sample required
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    is very less although the setup cost of
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    spectroscopy is high but it's very coste
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    effective in Long
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    Run note that in both absorption and
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    emission the energy of electromagnetic
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    radiation absorbed or released is equal
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    to the difference between the energy of
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    the excited and ground
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    States the related terms are
Tags
  • spectroscopy
  • electromagnetic radiation
  • absorption
  • emission
  • molecules
  • organic compounds
  • inorganic compounds
  • energy states
  • structural analysis
  • scientific technique