- #1
orthovector
- 115
- 0
Does anybody know how a Constant volume thermometer works?
I know that one of the reference points is the triple point of water, but I'm not sure how different gases are used along with this reference point to get different values of temperature for certain known processes. for instance, if oxygen gas is used to measure the BP of water...one gets a certain temperature that is close to 373.15 degrees kelvin. if nitrogen gas is used, one gets a value that is also close to 373.15 degrees kelvin...but it is different from the value from using oxygen gas.
I cannot picture what is going on...
I know that one of the reference points is the triple point of water, but I'm not sure how different gases are used along with this reference point to get different values of temperature for certain known processes. for instance, if oxygen gas is used to measure the BP of water...one gets a certain temperature that is close to 373.15 degrees kelvin. if nitrogen gas is used, one gets a value that is also close to 373.15 degrees kelvin...but it is different from the value from using oxygen gas.
I cannot picture what is going on...