At room temperature (20 C) and pressure, the density of air is 1.189 g/L. An object will
Chapter 1, Problem 1.78(choose chapter or problem)
At room temperature (20 C) and pressure, the density of air is 1.189 g/L. An object will float in air if its density is less than that of air. In a buoyancy experiment with a new plastic, a chemist creates a rigid, thin-walled ball that weighs 0.12 g and has a volume of 560 cm3. (a) Will the ball float if it is evacuated? (b) Will it float if filled with carbon dioxide (d 1.830 g/L)? (c) Will it float if filled with hydrogen (d 0.0899 g/L)? (d) Will it float if filled with oxygen (d 1.330 g/L)? (e) Will it float if filled with nitrogen (d 1.165 g/L)? (f) For any case that will float, how much weight must be added to make the ball sink?
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