Bell jar definitions
| Word backwards | lleb raj |
|---|---|
| Part of speech | noun |
| Syllabic division | The syllable separation of the word "bell jar" is: bell jar (2 syllables: bell / jar) |
| Plural | The plural of the word "bell jar" is "bell jars." |
| Total letters | 7 |
| Vogais (2) | e,a |
| Consonants (4) | b,l,j,r |
A bell jar is a type of glass vessel used in laboratories for creating a vacuum or a controlled environment for experiments. It is named after its bell-like shape, with a cylindrical body and a flat bottom. Bell jars are typically made of glass, which allows for optical observation of the contents inside.
Bell jars are commonly used in chemistry and biology experiments to isolate samples from the external environment. This isolation helps in preventing contamination of the sample and allows for controlled conditions for various reactions or observations. The vacuum created inside the bell jar also aids in studying the behavior of gases or liquids under low-pressure conditions.
Design and Functionality
The design of a typical bell jar includes a knob or handle on top for easy lifting and placement. The flat bottom ensures stability when the bell jar is placed on a lab bench or a platform. Some bell jars come with a ground glass flange at the bottom to create a tight seal when placed on a base or a vacuum chamber.
Applications
Bell jars find applications in various fields such as chemistry, physics, materials science, and biology. They are used for experiments like distillation, sublimation, vacuum filtration, and studying the behavior of living organisms under controlled conditions. Bell jars are essential tools in any laboratory setting that requires a controlled environment for scientific investigations.
Maintenance and Safety
Proper care and maintenance of bell jars are essential to ensure their longevity and effectiveness. It is crucial to handle them with care to avoid breakage or scratches on the glass surface. Additionally, users should be cautious when creating a vacuum inside the bell jar to prevent accidents or implosions due to the pressure differential.
In conclusion, bell jars are indispensable tools in scientific research and experimentation. Their design and functionality make them ideal for creating controlled environments for a wide range of laboratory procedures. Understanding how to use and maintain bell jars properly is crucial for ensuring the success and safety of scientific investigations.
Bell jar Examples
- Sylvia Plath's novel "The Bell Jar" is a classic piece of literature that explores themes of mental health and identity.
- The bell jar on the laboratory bench contained a preserved butterfly for scientific study.
- She felt trapped under a metaphorical bell jar, unable to escape her feelings of isolation.
- The artist carefully placed the delicate flower under a glass bell jar to protect it from dust.
- The antique bell jar displayed in the museum was used in the 19th century to showcase scientific specimens.
- The protagonist in the story struggled to break free from the suffocating bell jar of societal expectations.
- The wedding centerpiece featured a beautiful arrangement of flowers under a towering crystal bell jar.
- The protagonist's sense of self was like a fragile bubble encased in a bell jar, ready to burst at any moment.
- The scientist carefully placed the experimental mouse under the bell jar to observe its behavior in a controlled environment.
- The bell jar filled with homemade jam made a delightful gift for her friends and family.