An empty party balloon will float to the ceiling of a room once it is filled with helium.
a. w...
Chemistry, 19.08.2019 13:10 ninilizovtskt
An empty party balloon will float to the ceiling of a room once it is filled with helium.
a. what does this tell you about the density of air in the room compared to the density of helium?
b. for the balloon to float in air, what two factors might have changed about the balloon?
answer those two questions of you know the answer.
Answers: 1
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