a sample of air occupies 2.50 L at a temperature of 22.0c . what volume will this sample will this occupy inside a hot air baloo
2 answers:
Answer:
The volume occupied by the air inside the hot balloon is 2.67 L.
Explanation:
Initial volume of the balloon =
Initial temperature of the air inside the balloon
Final volume of the balloon =
Final temperature of the air inside the balloon =
Using Charles law:
The volume occupied by the air inside the hot balloon is 2.67 L.
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Answer:
Carbon dioxide
Explanation:
Neither helium nor carbon dioxide has a molecular dipole, so their strongest van der Waals attractive forces are London forces.
Helium is a small spherical atom with only a two electrons, so its atoms have quite weak attractions to each other.
CO₂ is a large linear molecule. It has more electrons than helium, so the attractive forces are greater. Furthermore, the molecules can align themselves compactly side-by-side and maximize the attractions (see below).
For example. CO₂ becomes a solid at -78 °C, but helium must be cooled to -272 °C to make it freeze (that's just 1 °C above absolute zero).
