Why Carbon Dioxide Is Gas Whereas Hydrogen Oxide Is Liquid At Room Temp?

Your answer is right on the money - and to add/explain in other words.

Most all materials will exist as a gas liquid or solid at some combination of temperature and pressure so the real issue is that the behaviour of water is anomalous. The reason for this, as Redfred says, is that water molecules are highly polar and that this causes them to attract to each other to form "chains" - so effectively stabilising the molecule and helping it to resist becoming a gas.

Polar attraction is also the reason that water's maximum density is at about 4 deg C and not at freezing point, which in turn causes ice to float.

If it were not for the anomalous behaviour of water, nature as we know it could not exist - a truly fascinating circumstance that few appreciate.

Water is polar because the 2 hydrogens form an angle near 120°,

so this side of the molecule is positive and the side of the oxygen is negative.

(2 H⁺ and 1 O^-- form one H2O).

As one molecule is attracting its neighbour by electrostatic forces chains of water molecules are stable in the liquid. Matching molecules with the hydrogen side of one attracting the oxygen side of the next.

So water as liquid is a polymer : n-H20

And behaves accordingly with high boiling point.

And also with many other "irregularities".

http://www.lsbu.ac.uk/water/anmlies.html

Here a lot of data on "water" is compiled - a big wonder-stuff.

RHABE

To bring the relative humidity down in the building, you have to stop the coil recirculation fan when the compressor stops to avoid re-evaporating the condensed water into the room. This is especially important when the AC is oversized and the compressor runs a few minutes every hour. On short cycle, you just have time to get the cold coil wet when the compressor stops. Very little water as time to drip out. If the fan stays on all the time, you get a cold and damp room very fast.

The outside air intake should also be synchronized with the compressor operation as much as possible. I also turn it off during the day and run it at night to take advantage of the colder and maybe dryer air.

To dehumidify properly, the AC should be so small that it is running almost all the time. Oversized AC are not good. Use two small one with offset temperature for optimum result.