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실험 목표
이론 및 원리
실험 방법
1.   용질과 끓는점 사이의 관계를 파악한다.
2.   용질과 끓는점 사이의 관계를 이용해 용질
     의 분자량을 구한다.
총괄성
끓는점 오름
Gibbs-Helmholtz 방정식
   오직 농도에만 관계되는 성질
    ◦ 끓는점 오름, 어는점 내림, 삼투압
   용질이 용매에 용해될 때 chemical potential의
    감소함에 따라 나타나는 성질




기구 및 시약
실험 방법
결과 처리
   염화소듐, 요소, 하이드로퀴논 : 각 0.7g씩 5개의
    sample을 준비한다.
   증류수
   250ml 플라스크
   핫플레이트, 온도계
1.   플라스크의 물기를 닦고 질량을 측정한다.
2.   증류수 40ml를 플라스크에 넣고 가열한다.
3.   끓는점에 도달하면 온도를 기록한 후 가열을 중
     지하고 시료를 넣는다.
4.   다시 가열을 시작하여 온도가 일정하게 유지되면
     3을 반복한다.
5.   3-4를 5회 반복한 후, 플라스크를 분리하여 물
     기를 닦고 질량을 측정한다.
1.   실험 후 측정한 플라스크의 질량에서 실험 전 측
     정한 플라스크의 질량을 빼면 넣은 시료의 질량
     을 알 수 있다.
2.   첨가한 시료의 몰분율과 온도 변화를 그래프로
     도시하여
3.   주어진 문헌값을 이용하여 각 시료의 분자량을
     구한다.
   Atkins, Peter; de Paola, Julio; Physical
    Chemistry; W. H. Freeman: New York, 2006.
   Christian, Gary D.; 분석화학; 자유아카데미:
    파주, 2008.

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Measurement of boiling point elevation

  • 1.
  • 2. 실험 목표 이론 및 원리 실험 방법
  • 3. 1. 용질과 끓는점 사이의 관계를 파악한다. 2. 용질과 끓는점 사이의 관계를 이용해 용질 의 분자량을 구한다.
  • 5. 오직 농도에만 관계되는 성질 ◦ 끓는점 오름, 어는점 내림, 삼투압  용질이 용매에 용해될 때 chemical potential의 감소함에 따라 나타나는 성질
  • 6.
  • 7.
  • 8.
  • 9.
  • 10. 기구 및 시약 실험 방법 결과 처리
  • 11. 염화소듐, 요소, 하이드로퀴논 : 각 0.7g씩 5개의 sample을 준비한다.  증류수  250ml 플라스크  핫플레이트, 온도계
  • 12. 1. 플라스크의 물기를 닦고 질량을 측정한다. 2. 증류수 40ml를 플라스크에 넣고 가열한다. 3. 끓는점에 도달하면 온도를 기록한 후 가열을 중 지하고 시료를 넣는다. 4. 다시 가열을 시작하여 온도가 일정하게 유지되면 3을 반복한다. 5. 3-4를 5회 반복한 후, 플라스크를 분리하여 물 기를 닦고 질량을 측정한다.
  • 13. 1. 실험 후 측정한 플라스크의 질량에서 실험 전 측 정한 플라스크의 질량을 빼면 넣은 시료의 질량 을 알 수 있다. 2. 첨가한 시료의 몰분율과 온도 변화를 그래프로 도시하여 3. 주어진 문헌값을 이용하여 각 시료의 분자량을 구한다.
  • 14.
  • 15. Atkins, Peter; de Paola, Julio; Physical Chemistry; W. H. Freeman: New York, 2006.  Christian, Gary D.; 분석화학; 자유아카데미: 파주, 2008.