Click to review us:
Breckland Scientific Trustpilot Reviews


Charles' Law Mounted
Charles' Law Mounted
Price: £17.90
You'll earn 34 points
Stock Update: Only for schools to order
Availability: 2021-22 Prices Now Apply

Cat. No.: HPG-265-100
Quantity :

Comprises a capillary tube, which is sealed at the bottom, having a graduated scale from 0 to 200mm. This is mounted onto a plastic former which also has a -10 _ 100°C thermometer mounted alongside the tube.
The tube 245 is mm long and needs to be dried in an oven or drying cabinet prior to use to drive off any moisture. A small bead (approx 5mm) of coloured oil will need to be injected intot he tube once dried at about the 50mm mark. The overall length is 350mm with a hole at the top to affix to a retort stand to suspend the apparatus in a tall form beaker of water (not supplied). By heating the water and taking a temperature and scale reading every 30 seconds, a graph of the results can be plotted. Through a line of best fit and extrapolation absolute zero can be demonstrated. The straight line supports Charles′ Law demonstrating that volume of a gas is directly proportional to its temperature provided the pressure is kept constant. (In this case the pressure is atmospheric pressure). The Kelvin scale may then be introduced.

Browse for more products in the same category as this item:

• Chemistry
• Physics
• Chemistry > Gas
• Physics > Heat & Energy
• Physics > Heat & Energy > Properties Of Gas
General Science
General Science > Measurement
General Science > Measurement > Volume & Pressure
General Science > Measurement > Volume & Pressure > Pressure
• Chemistry > Gas > Gas Laws
Breckland Saver Loyalty Scheme
Breckland Delivery Options
For all schools - Click for details >>