What Are the Individual Densities of Deuterium (D2) and Tritium (T2) Gases?

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SUMMARY

The individual densities of deuterium (D2) and tritium (T2) gases can be calculated using the ideal gas law, which relates density (D), molar mass (M), pressure (P), and temperature (T). For isotopically pure deuterium, the molar mass is 4 g/mol, while for tritium, it is 6 g/mol. The density of these gases is determined under specific conditions of pressure and temperature, and the molar mass of a mixture can be derived from the partial pressures of each gas.

PREREQUISITES
  • Understanding of the ideal gas law
  • Knowledge of molar mass calculations
  • Familiarity with gas properties and behavior
  • Basic concepts of isotopes and their significance
NEXT STEPS
  • Research the ideal gas law and its applications in gas density calculations
  • Explore the properties of hydrogen isotopes, specifically deuterium and tritium
  • Learn about the effects of temperature and pressure on gas density
  • Investigate methods for calculating molar mass in gas mixtures
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Chemists, physicists, and researchers in nuclear fusion or isotopic studies will benefit from this discussion, particularly those focused on the properties and behaviors of hydrogen isotopes.

nwfusor
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Hey,
I've been searching around online, and I can't find anything on the individual densities of D2 an T3, only the mean density of all hydrogen isotopes.
Thanks,
NWFusor
 
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nwfusor said:
Hey,
I've been searching around online, and I can't find anything on the individual densities of D2 an T3, only the mean density of all hydrogen isotopes.
Thanks,
NWFusor
Are you talking densities for the liquid phase or something?

The density of the gaseous phase should be determined by using the ideal gas law, knowing the pressure and the temperature of the gas, if the substance is isotopically pure.

Here is how the ideal gas law is manipulated to give density:

images?q=tbn:ANd9GcRU7EfPGEIy3SMwESfJbyT5I5uPvrBTv6OfYDl06WzeWMClQVDvoQ.png

D - density of the gas, grams / liter or kg / m3
M - molar mass of the gas
P - absolute pressure of the gas.
T - absolute temperature of the gas (° K)
R - universal gas constant (varies depending on the units of absolute pressure used)

https://en.wikipedia.org/wiki/Gas_constant

For deuterium, M = 4 g / mol (each molecule is D2) while for tritium, M = 6 g / mol (each molecule is T2), for isotopically pure substances.

The molar mass of a mixture of the two gasses would be calculated based on the partial pressures of each gas in the sample.

 

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