A balloon is filled with helium at a pressure of 23times105
A balloon is filled with helium at a pressure of 2.3×105 Pa. The balloon is at a temperature of 14ºC and has a radius of 0.27 m. How many helium atoms are contained in the balloon?
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a balloon is filled with helium at a pressure of 23times105 pa the balloon is at a temperature of 14ordmc and has a
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