Asealed balloon is filled with 2.20 liters of helium gas at 20.0° c. if the pressure does not change, what is the temperature when the balloon expands to a volume of 2.60 liters?
16.9° c
23.6° c
25.1° c
73.3° c

if two electrons have the same n, the same ℓ, and the same ml, then they are in the same orbital. the pauli exclusion principle states that no two identical fermions (a fancy word for electrons and other subatomic particles like electrons) may occupy the same quantum state in an atom simultaneously.

gravity causes stares to cluster i think so