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Look at the equation for iron (Fe), which is a phase change.

Fe (l)
Fe (s)

What does this equation show?

Select all that apply.

Responses

Liquid iron is becoming a solid.Liquid iron is becoming a solid.

Solid iron is becoming a liquid.Solid iron is becoming a liquid.

Iron is being heated.Iron is being heated.

Iron is being cooled.Iron is being cooled.
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1 answer

The equation you provided shows the phase change of iron (Fe) from liquid to solid:

  • Fe (l) represents liquid iron.
  • Fe (s) represents solid iron.

Based on this, the correct responses would be:

  • Liquid iron is becoming a solid.
  • Iron is being cooled.

The other responses about solid iron becoming a liquid and iron being heated do not apply to this specific phase change.