will carbon monoxide move in the same direction with the same speed in vacuum?

Do you mean will it continue going in the same direction with the same velocity forever? Space being frictionless, yes, as long as it encounters no other forces, such as gravity. Like everything else in space.

If there is carbon monoxide, then there is not a vacuum. A vacuum is the absence of all matter.

All things will - until it encounters a force that alters it's trajectory.

The same speed as what dude?

It will.

space itself is not a vacuum it is full of energy.

Yes