The melting of the ice cube indicates physical change has taken place
Answer:
4Hg+2O2=4HgO
four Mercury + four oxygen
The molecule for ethane is C2H6. or CH3-CH3.
Carbon LOVES hydrogen. If possible, Carbon would have four bonds attach to hydrogens. IN this molecule, one of the bond is used to attach a carbon to another carbon, so instead of 4 hydrogens, each carbon would have 3 hydrogens..
<span>1.8 × (2/3) = 1.2
brainliest please
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