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A mole of helium gas contains 6.02x10^23 helium atoms. How many helium atoms are there in a micromole of helium? How many moles
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2. asked by sara
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A sealed container of volume 0.10 m3 holds a sample of 3.0 x 10^24 atoms of helium gas in equilibrium. The distribution of
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2. asked by Oli
3. 2,128 views
a mole of helium gass contains 6,0 10²³ helium atoms.how many helium atoms are there in a millimole of helium ?in a kilomole
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2. asked by Mpho
3. 261 views
Helium is in group 18 of the periodic table. How is helium different from other elements in this group helium atoms have two
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2. 39 views
A sealed container of volume V =0 .10m^3 holds a sample of N =3 .0×10^24 atoms of helium gas in equilibrium. The distribution
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2. asked by Anon
3. 1,005 views
A mole of helium gas contains 6.02x10^23 helium atoms. How many helium atoms are there in a millimole of helium? In a kilomole
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2. asked by Ayavuya
3. 729 views
What is the chemically combined substance of a hydrogen atom and a helium atom. please help me because i really don't know this
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2. asked by Anonymous
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Helium is in group 18 of the periodic table. How is helium different from the other elements in this group?(1 point)Responses
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2. 143 views
A helium-4 atom falls from a height h into a tank of gaseous helium atoms at 300 K. What is h in meters if the temperature of
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2. asked by Crow
3. 767 views
A mixture of helium and neon gases at 317 K contains 3 times the number of helium atoms as neon atoms. The concentration
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2. asked by JJ
3. 1,676 views