A spherical balloon of volume 394 103 cm3 contains helium
A spherical balloon of volume 3.94 103 cm3 contains helium at a pressure of 1.15 105 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 10-22 J?
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a spherical balloon of volume 394 103 cm3 contains helium at a pressure of 115 105 pa how many moles of helium are in
a 19-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling the elastic
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