The pressure inside a 1.0 L balloon at 25°C was 750 mm Hg. What is the...
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...
At a temperature of 25 degree C and a pressure of 750 mm Hg, 3.00 g of cyanogen gas occupies 0.714 L. What is the Molar Mass of the Molecule, cyanogen What is the molecular formula of cyanogen if Cyanogen is a gas which contains 46.2% C and 53.8% N by mass.
A 1.2 L weather balloon on the ground has a temperature of 25°C and is at atmospheric pressure (1.0 atm). When it rises to an elevation where the pressure is 0.76 atm, then the new volume is 1.8 L. What is the temperature (in °C) of the air at this elevation?
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 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...
A weather balloon contains helium at 760. mm Hg and 200. K. What is the pressure inside the weather balloon if the temperature is increased to 300 K?
1.Gay-Lussac's Law A gas container is initially at 47 mm Hg and 77 K (liquid nitrogen temperature.) What will the pressure be when the container warms up to room temperature of 25 ˚C? 2. A container of gas is initially at 0.500 atm and 25 ˚C. What will the pressure be at 125 ˚C? 3.A toy balloon has an internal pressure of 1.05 atm and a volume of 5.0 L. If the temperature where the balloon is released is 200...
Determine the final pressure (in mm Hg) of a gas initially at a pressure of 395 mm Hg in a 3.47 L vessel at 25°C if it is transferred to a 1.24 L vessel at 100°C. a) 0.0153 mmHg b) 1.38 x 10 mmHg c) 1.82 mmHg d) 4.42 x 10 mmHg b
A balloon with a volume of 5.65 L at room temperature (25°C) is placed in insulated container that is cooled with dry ice where the temperature is –19°C. What is the volume of the balloon in the container when its temperature reaches –19°C? Assume no change in pressure.
A balloon has a volume of 219.5 mL. The temperature and pressure of the gas inside the balloon is 333 K and 0.959 atm, respectively. To what temperature (in Celsius) must the balloon be cooled to reduce its volume to 0.19 L if the pressure doesnt change (remained constant)?