Element. Everything is else is a mixture, therefore not pure.
Answer:
A) covalent bond
Explanation:
Covalent bonding generally happens between nonmetals.
It is going to be <span>Molar Volume
</span><span>3H2 + N2 --> 2NH3
</span><span> 54.1L*22.4 L/mol H2 , you can find mol of H2, then mol of NH3, and then L of NH3</span>
