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1. The Goodyear blimp contains 5.74 × 106 L of helium at 25 °C and 1.00...

1. The Goodyear blimp contains 5.74 × 106 L of helium at 25 °C and 1.00 atm. What is the mass in grams of the helium inside the blimp?

2. Tennis balls are usually filled with either air or N2 gas to a pressure above atmospheric pressure to increase their bounce. If a tennis ball has a volume of 144 cm3 and contains 0.33 g of N2 gas, what is the pressure inside the ball at 24 °C?

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