25 g of dry ice (solid CO2) is placed in a container which has an initial volume 2.00 x 10^4 cm^3, then all the air is quickly pumped out and the container is sealed. The container is warmed to 0 degrees C a temperature at which CO2 is a gas. What is the gas pressure in ATM.
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- a 6.0 cm diameter cyliinder of nitrogen gas has a 4.0 cm thick movable copper piston. the cylinder is oriented vertically as shown in the figure, and the air above the piston is evacuated. when the gas temperature is 25 degree C the piston floats 20 cm above the bottom of the cylinder what is the gas pressure? how many gas molecules are in the cylinder?A car tire has an inner radius of 45.46 cm has a low pressure of 195 kPa. The tire is recommended to be inflated to 248 kPa. At the low pressure the tire outer radius is 56.65 cm and fully inflated is 67.81 cm. The outside temperature is 17 0C. What is the mass of the air to inflate the tire? How many air molecules are added to properly inflate the tire?1.88 moles of an ideal gas are placed in a container whose volume is 4.88 x10−3 m3. The absolute pressure of the gas is 6.3 x105 Pa. What is the average translational kinetic energy of a molecule of the gas?
- At standard temperature and pressure, a gas has a density of 0.089 kg/m3. What volume (in m3) does 1.25 kg of hydrogen occupy at standard temperature and pressureA cylinder containing ideal gas is sealed by a piston that is above the gas. The piston is a cylindrical object, with a weight of 22.0 N, which can slide up or down in the cylinder without friction. The inner radius of the cylinder, and the radius of the piston, is 8.00 cm. The top of the piston is exposed to the atmosphere, and the atmospheric pressure is 101.3 kPa. The cylinder has a height of 30.0 cm, and, when the temperature of the gas is 20°C, the bottom of the piston is 11.0 cm above the bottom of the cylinder. (A) Find the number of moles of ideal gas in the cylinder. (B) Heat is added, gradually raising the temperature of the gas to 160°C. Calculate the distance between the bottom of the cylinder and the bottom of the piston when the piston comes to its new equilibrium position.The rms speed of an oxygen molecule (O2) in a container of oxygen gas is 614 m/s. What is the temperature of the gas?
- 0.52 mol of argon gas is admitted to an evacuated 3.00 liter (3.00 × 10-3 m3) container at 20.0°C. The gas then undergoes an isobaric process to a temperature of 260°C. What is the final volume of the gas, in liters? Your answer needs to have 3 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.Problem 5: n = 3.9 moles of an ideal gas are pumped into a chamber of volume V = 0.094 m3. Part (a) The initial pressure of the gas is 1 atm. What is the initial temperature (in K) of the gas? 50% Part (b) The pressure of the gas is increased to 10 atm. Now what is the temperature (in K) of the gas?A rigid tank contains an amount of argon at a pressure of 12.2 atm and a temperature of 23.0°C. Two-thirds of the gas is withdrawn from the tank, while the temperature of the remainder is raised to 36.8°C. What is the new pressure (in atm) of the gas remaining in the tank? atm
- n = 3.9 moles of an ideal gas are pumped into a chamber of volume V = 0.135 m3 50% Part (a) The initial pressure of the gas is 1 atm. What is the initial temperature (in K) of the gas? T = 421.76T = 421.8 ✔ Correct! 50% Part (b) The pressure of the gas is increased to 10 atm. Now what is the temperature (in K) of the gas?A fixed amount of a particular ideal gas at 20°C and a pressure of 1.75 × 105 Pa occupies a volume of 2.60 m3. If the volume is increased to 4.2 m³ and the temperature is raised to 27.0°C, what will be the new pressure (in Pa) of the gas? Pa