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At 300 k, the root-mean-square (rms) speed of a hydrogen molecule in a gas is equal to that of an oxygen molecule. the hydrogen molecule is 18.75 K in temperature.
Any molecule's root mean square velocity can be determined using the formula below:
μrms=√3RT/M
Since the RMS speed of two oxygen and hydrogen molecules is the same, equation (I) can be expressed as follows:
√3RT1/M1=√3RT2/M2
√T1/M1=√T2/M2
The molar mass. of oxygen molecule is 32.00 g/mol,
The molar mass. of hydrogen molecule. is 2.00 g/mol.
Substitute the known values in equation .
√300K/32.00g/mol=√T2/2.00g/mol
Squaring both the sides
T2=18.75k
The most basic molecule is a hydrogen molecule. Electrostatic forces hold together its two protons and two electrons, which are held together. Similar to atomic hydrogen, the assemblage can exist at various energies. The hydrogen atom H is one. One hydrogen molecule, H2, consists of two hydrogen atoms. Two hydrogen atoms make up the symbol 2H.
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