How much hydrogen is in a gallon of water?
however since hydrogen is a diatomic molecule, meaning that the hydrogen that we talk about is H2, we would get 1.265 x 1026 molecules of hydrogen. at 1 atmospheric pressure and 273K, 1 mole of hydrogen fills approximately 22.4L of volume. so 1.265 x 1026 molecules or about 210 moles, would fill 4707 Liters of volume.
At what temperature does air become solid?
Solid oxygen forms at normal atmospheric pressure at a temperature below 54.36 K (−218.79 °C, −361.82 °F).
How do you liquify gases?
In general, gases can be liquefied by one of three methods: (1) by compressing the gas at temperatures less than its critical temperature; (2) by making the gas do some kind of work against an external force, which causes the gas to lose energy and change to the liquid state; and (3) by making gas do work against its …
Which is most easily liquefiable rare gas?
Xenon
What gas is difficult liquefy?
Helium
Is it difficult to liquify noble gases?
Noble gases have no dipole moment, so there is no dipole-dipole attraction between the molecules (and they obviously lack stronger intermolecular forces such as ion-ion and hydrogen bonding). The only attractive force between noble gas atoms is a relativelY weak dispersion force.
What is liquefaction point?
In physics and chemistry, the phase transitions from solid and gas to liquid (melting and condensation, respectively) may be referred to as liquefaction. The melting point (sometimes called liquefaction point) is the temperature and pressure at which a solid becomes a liquid.
What will condense first?
As temperatures drop, the high boiling point vapor will condense first, with some additional control by saturation and vapor pressures.
How do you know which gas will condense at the lowest pressure?
Out of given gases butane is the highest member with greatest surface area among methane, ethane and itself. So it will have higher intermoelcular london dispersion forces. This makes it to condense easily at lower pressure as compared to methane and ethane.
Why do gases with higher boiling point condense first?
Vapours of liquid condense (liquification of gases) faster for high boiling liquids than for lower boiling point. Reason for this is more the critical temperature easier will be liquification. More the boiling point more will be the Critical temperature, then easier the condensation process.
Do all gases condense at the same pressure?
Molecules in the liquid escape as a gas at the same rate at which gas molecules stick to the liquid, or form droplets and become part of the liquid phase. (a) The rates of boiling and condensation are equal at this combination of temperature and pressure, so the liquid and gas phases are in equilibrium.
Does water pressure increase condense?
The higher the temperature of the liquid water, the faster the rate of evaporation. The vapor pressure increases as the concentration of water vapor in the space above the liquid increases. Thus, the higher the concentration of water vapor molecules above the liquid surface, the faster the rate of condensation.