N2 + 3h2 → 2nh3 how many moles of hydrogen, h2, are needed to react with 2.0 moles of nitrogen, n2? round final answers to the tenth position, one place after the decimal. only report the numerical answer. my answer was 10.8

 The number of  moles  of H₂ that are needed  to react with 2.0  moles of N₂  is    6.0 moles

 calculation

N₂  +3H₂→   2NH₃

The moles of  H₂  is  calculated  using the mole ratio

That is from equation above  N₂:H₂  is 1 :3

therefore the moles of  H₂ = 2.0  moles  x (3/1) = 6.0 moles

they begin to vibrate harder causing the material that was solid to turn into a liquid i.e gallium or ice

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