Charles S Law Experiment Write Up
Experiment to determine absolute zero using Charles’s law
In this experiment you will be determining the specific heat capacity of oil using an electrical method. You will need to ensure that your write up contains the following:
•
Clear method (bullet points are ok) and labelled diagram include what is to be repeated and averaged.
•
State independent/dependent and control variable(s)
•
State what is to be varied and how (include range and intervals)?
•
What is to be measured and what with?
•
Risk assessment
•
How is the data going to be processed (include theory)?
•
What is the outcome?
•
What is to be plotted on the graph?
•
Uncertainties in the final outcome
•
Evaluation
•
Improvements
Aim of the experiment
To see if the volume of air changes with tempreture.
Diagram of the experimental set up
Scientific Theory – What are we trying to work out from this practical and how are we going to do it? We are trying to see if air volume increases with temperature. We are doing this by measuring the temperature of boiling water and the distance this was causing the air to expand in the chamber.
Method
We first got a busen burner and 800mls of water, we then lit the busen burner and put a thermometer rubber banded to a ruler and a air pipe. We measured the distance of the air pipe on the ruler and regular 5*C intervals.
Risk Assessment
Risk
Method to reduce risk
Could accidentally pour boiling water on self
Be careful witht the boiling water
Collected data
Temperature / oC
24
30
35
40
Length of air column / cm
8.6
8.6
8.8
8.9
45
9.1
50
9.3
55
9.4
60
9.6
65
9.7
70
9.8
Analysis – What is going to be plotted on the graph? How will the graph be used to work out absolute zero? Uncertainties
Evaluation and improvements
#
]
Their were almost no issues with my experiment except for maybe physically measuring things lead to some errors.
In this experiment you will be determining the specific heat capacity of oil using an electrical method. You will need to ensure that your write up contains the following:
•
Clear method (bullet points are ok) and labelled diagram include what is to be repeated and averaged.
•
State independent/dependent and control variable(s)
•
State what is to be varied and how (include range and intervals)?
•
What is to be measured and what with?
•
Risk assessment
•
How is the data going to be processed (include theory)?
•
What is the outcome?
•
What is to be plotted on the graph?
•
Uncertainties in the final outcome
•
Evaluation
•
Improvements
Aim of the experiment
To see if the volume of air changes with tempreture.
Diagram of the experimental set up
Scientific Theory – What are we trying to work out from this practical and how are we going to do it? We are trying to see if air volume increases with temperature. We are doing this by measuring the temperature of boiling water and the distance this was causing the air to expand in the chamber.
Method
We first got a busen burner and 800mls of water, we then lit the busen burner and put a thermometer rubber banded to a ruler and a air pipe. We measured the distance of the air pipe on the ruler and regular 5*C intervals.
Risk Assessment
Risk
Method to reduce risk
Could accidentally pour boiling water on self
Be careful witht the boiling water
Collected data
Temperature / oC
24
30
35
40
Length of air column / cm
8.6
8.6
8.8
8.9
45
9.1
50
9.3
55
9.4
60
9.6
65
9.7
70
9.8
Analysis – What is going to be plotted on the graph? How will the graph be used to work out absolute zero? Uncertainties
Evaluation and improvements
#
]
Their were almost no issues with my experiment except for maybe physically measuring things lead to some errors.