Answer:
An engine that creates ignites fuel with highly compressed air.
I believe distillation is used to separate solvents of different kind as long as it is heated to its boiling temp
Remember, look at the coefficients in the balanced equation! Here are three mole ratios:
1 mole<span> N2 / </span>3 moles<span> H2.</span>
3 moles<span> H2 / 2 moles NH3.
</span>