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2. A helium balloon with a volume of 1.25L is purchased at a county fair (assume...
please answer 2 & 3 2. A helium balloon with a volume of 1.25L is purchased at a county fair (assume 25°C and 1 atm pressure). The balloon is accidentally released and floats away. It ascends into the upper atmosphere, where the pressure is a lot lower. Before it bursts, the balloon has expanded to a volume of 3.80L. What is the change in entropy as a result of this expansion (ignore any temperature change in the upper atmosphere)? (5...
A balloon filled with helium gad at 1.00 atm occupies 15.5 L. What volume would the balloon occupy in the upper atmosphere, at a pressure of 0.25 atm and a constant temperature?
A balloon filled with 2.00 L of helium initially at 1.35 atm of pressure rises into the atmosphere. When the surrounding pressure reaches 500. mmHg, the balloon will burst. If 1 atm = 760. mmHg, what volume will the balloon occupy in the instant before it bursts?
A balloon filled with helium gas at 1.00 atm occupies 9.3 L. What volume in liters will the balloon occupy in the upper atmosphere, at a pressure of 0.46 atm?
a balloon sample of helium has a volume of 550 mL at a pressure of 1.0 atm. assuming no change in temperature or amount of helium what is the new volume in mL if the pressure drops to 8.5 psi? Question 29 Given 1 atm = 760 torr = 760 mmHg = 14.7 psi. A balloon sample of helium has a volume of 550 mL at a pressure of 1.0 atm. a. Assuming no change in temperature or amount of...
Part II. CALCULATIONAL. Show all work. 1. A. A weather balloon has a volume of 250 ml when filled with helium gas at a temperature of 8 °C and a pressure of 760 mm Hg. The helium balloon floats up into the upper atmosphere (about 20,000 feet above sea- level) where the pressure and temperature are much lower. What is the new volume of the balloon when the pressure is reduced to 570 mm Hg and the temperature decreases to...
1. A weather balloon is filled with helium to a volume of 300 L at 33 ∘C and 761 mmHg . The balloon ascends to an altitude where the pressure is 454 mmHg and the temperature is -38 ∘C. What is the volume of the balloon at this altitude?
A weather balloon is filled with helium to a volume of 350 L at 12 ∘C and 747 mmHg . The balloon ascends to an altitude where the pressure is 499 mmHg and the temperature is -36 ∘C What is the volume of the balloon at this altitude? Express your answer using three significant figures.
8.12 A balloon is filled with helium gas. When each of the following changes are made with no change in temperature, which of these diagrams (A, B, or C) shows the final volume of the balloon? ИВ Initial volume a. The balloon floats to a higher altitude where the outside pressure is lower. b. The balloon is taken inside the house, but the atmospheric pressure does not change. c. The balloon is put in a hyperbaric chamber in which the...
A balloon holds 38 kg of helium. What is the volume of the balloon if the pressure is 1.3 atm and the temperature is 24 °C?