What am I ?

Some people may think I am a roof. Some people think I am more like a wall. What am I?

mansard?

Yes, or A-frame?

Ohh, You guys are too smart. I’ll have to try a tougher one. :slight_smile:

I am the change in the preasure and temperature of a substance in a closed system that occurs without heat transfer. What am I?

The stuff in the AC system!!!:shock:

Your on the right track Douglas.
I am the change in the preasure and temperature of a substance in a closed system that occurs without heat transfer. I can also be thought of as a process rather than a material thing. What am I?

Expansion or compression?

preasure = pressure

Answer was adiabatic change. <br><br>Ok, we’ll try a bit easier.

I am a chemical compound containing hydrogen, carbon, and oxygen that forms during incomplete combustion. What am I ?

Carbon Monoxide

  • H2O

I’m thinking carbonic acid.

Sorry. That would be just the carbon and oxygen but no hydrogen. I also contain hydrogen.

I am often found bonded to another molecular group.

smoke or soot

Corrosion.

Rust.

H2O… water

Carbon dioxide

The answer was aldehyde