- About the Department
- Undergraduate
- Course Materials
- Chem Clinic Calendar
- Declaring Your Major
- Chemistry Major
- Which Chemistry Course Should I Take First?
- What can I do with a Chemistry Degree?
- Career and Professional Development
- Handbooks & Guides
- Undergraduate Research
- Study Abroad
- Scholarships & Awards
- American Chemical Society
- Job Link
- E-Mail Us Your Questions
- Graduate Program
- Research & Facilities
- Resources
- Seminar Schedule
- FAQ
- Friends of Chemistry
- Deacon Chemist Newsletter
The Claisen adapter can be placed on top of a round bottom flask to convert one opening into two. This is desirable if, for instance, you wish to add a reagent slowly through an addition funnel (which requires one ground glass joint) and cool hot vapors with a condenser (which requires another.)