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changed from so°c to -150 c. n? The pressure is constant. What happens to the balloo...
1. To what Celsius temperature must 68.0 mL of krypton gas at 13.0°C be changed so the volume will triple? Assume the pressure and the amount of gas are held constant. Enter your answer to four significant figures. ______°C 2. To what Kelvin temperature must 125 mL of a gas at 39.0°C be changed so the volume will be 375 mL? Assume the pressure and the amount of gas are held constant. ________K 3. What is the final pressure of...
A balloon that contains 0.500 L of helium at 25 °C is cooled to 11 °C, at a constant pressure. What volume does the balloon now occupy?
A balloon filled with 35.6 moles of helium has a volume of 856 L at 0.0°C and 1.00 atm pressure. The temperature of the balloon is increased to 43.0°C as it expands to a volume of 967 L, the pressure remaining constant. Calculate q, w, and ΔE for the helium in the balloon. (Given, the molar heat capacity for helium gas is 20.8 J/°C · mol, and 1 L·atm = 101.3 J) (Show your work)
1. A helium-filled weather balloon has a volume of 558 L at 22.9°C and 751 mmHg. It is released and rises to an altitude of 3.13 km, where the pressure is 582 mmHg and the temperature is 1.9°C. The volume of the balloon at this altitude is ____L. 2. A sample of helium gas collected at a pressure of 1.42 atm and a temperature of 17.0 °C is found to occupy a volume of 22.9 liters. How many moles of...
•The pressure of a gas in a tank is 3.2 atm at 22°C. If temp rises to 60°C, what will the pressure be? •A 5.00-L air sample has a pressure of 107 kPa at a temperature of -50.0°C. If the temperature is raised to 102°C and the volume expands to 7.00 L, what will the new pressure be? •Helium at 23°C with a volume of 5.60 L at 2.45 atm is changed to a pressure of 8.75 atm and cooled...
5) The recommended air pressure for a particular brand of tire is 32 psi. What is this pressure in atmospheres? A) 47 B) 470 C) 2.2 D) 0.46 E) 24 6) A bal L. What would be the volume of this balloon, in L, if it were taken to sea level? loon of helium on a mountain where the pressure is 695 mm Hg occupies a volume of 1.75 A) 1.75 B) 1.60 C) 0.00 D) 1.91 E) There is...
Problem 7. The pressure inside a 1.0L balloon at 25 in atmospheres, when the balloon is cooled to -42°C the Combined Gas law). Ans: is the pressure is 745 mmHe What is the pro expands to 2.0 L in volume Problem 8. A sample of nitrogen gas contains the new volume if the P and Tare kept constant, but to 2.5 moles. (Use the Avogadro's law). Ans: V2 ° 2.5 moolume if pleoni O moles in a volume of 3.5...
Please answer & explain 26-30 A gas sample is held at constant pressure. The gas occupies 3.62 L of volume when the temperature is 21.6°C. Determine the temperature at which the volume of the gas is 3.45 L 26 d) 295 K 309 K b) 281 K c) 20.6 K a) 27. The temperature of a specific amount of gas in a sealed container changes from 20.0°C to 40.0°C. If the volume remains constant, the pressure will change from 755...
Two moles of an ideal gas are heated at constant pressure from T = 27°C to T = 107°C. a) Draw a pV-diagram for this process (just schematically). b) Calculate the work done by the gas. c) If the volume changed by 500 cm’ what was the pressure during the process?
Name: Section: Gas Law Practice (IC-6) 1. At what temperature will 5.00 g of Cl, exert a pressure of 900. torrat a volume of 750 ml? 2. What pressure will be exerted by 25 g of CO, at a temperature of 25 "C and a volume of 500 mL? 3. Find the number of grams of CO, that exert a pressure of 785 torrs at a volume of 32.5 L and a temperature of 32°C 4. An elemental gas has...