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 ball of mass m traveling horizontally with velocity v strikes a massive vertical wall and rebounds back along its
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a spring lies on a horizontal table and the left end of the spring is attached to a wall the other end is connected to
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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
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