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A 200 ml sample of hydrogen is collected over water at 745.5 torr and 290K If the vapor pressure of water at 290k is 14.5 torr What is the volume of dry hydrogen at STP The answer is 181m?
To find the volume of dry hydrogen at STP, we need to correct for the presence of water vapor. First, calculate the pressure of dry hydrogen by subtracting the vapor pressure of water from the total pressure: 745.5 torr - 14.5 torr = 731 torr. Then, apply the ideal gas law to solve for the volume of dry hydrogen at STP: V = (200 ml * 731 torr * 273 K) / (290 K * 760 torr) ≈ 181 ml.
What is the pressure in atmosphere of gas that has a pressureof 600 torr?
600 Torr (1 atm/760 Torr) = 0.789 atmospheres ================
The vapor pressure of a sample of boiling water is 380 torr The temperature of the water is?
The temperature of the water is 100 degrees celsius.
The partial pressure of F2 in a mixture of gases where the total pressure is 1atm is 300 torr what is the mole fraction of F2?
0.395 total moles moles F 760.torr 300.torr total moles moles F 2 2 = ×
A closed end manometer has a U tube with a sample of hydrogen gas in the bulb The difference in the height of the columns of mercury is 18.0 cm What is the pressure of the hydrogen gas in torr?
To find the pressure of the hydrogen gas in torr, you can use the difference in height of the mercury columns and the density of mercury. First, calculate the pressure difference due to the 18.0 cm height difference in the mercury columns. Then, convert this pressure into torr using the conversion factor 1 atm = 760 torr.
What is vapor pressure of water?
The vapor pressure of pure water at 25 degrees Celsius is 23.8 torr.
A 200 ml sample of hydrogen is collected over water at 745.5 torr and 290K If the vapor pressure of water at 290k is 14.5 torr What is the volume of dry hydrogen at STP The answer is 181m?
To find the volume of dry hydrogen at STP, we need to correct for the presence of water vapor. First, calculate the pressure of dry hydrogen by subtracting the vapor pressure of water from the total pressure: 745.5 torr - 14.5 torr = 731 torr. Then, apply the ideal gas law to solve for the volume of dry hydrogen at STP: V = (200 ml * 731 torr * 273 K) / (290 K * 760 torr) ≈ 181 ml.
Why do not you turn the ice to vapor in a vacuum chamber at a vacuum 1 torr?
Turning ice into vapor in a vacuum chamber at 1 torr requires a lower pressure than standard atmospheric pressure to facilitate sublimation (ice directly turning into water vapor without melting). At 1 torr, the pressure might not be low enough to overcome the energy required for sublimation. Lower pressures, below 1 torr, are typically needed for efficient ice sublimation in a vacuum chamber.
What is the vapor pressure a liquid at its normal boiling temperature?
Vapor pressure of a liquid at its normal boiling temperature is simply the atmospheric pressure, aka 1 atm, 760 torr, etc. This is by definition.
What is the partial pressure of N2 and O2 having a total pressure of 1075 torr if the partial pressure of 02 is 720 torr?
1075 torr - 720 torr = 355 torr
How do you convert the pressure 235 mmHg from pressure to torr?
its the same 235 torr
What is the correct pressure in torr if the pressure is 24.8 inches of Hg?
630 torr
What is the correct pressure in Torr if the pressure is 24.8 inches in hg?
630 torr
Ethanol has a heat of vaporization of 38.56 kj per mol and a normal boiling point of 78.4 degrees Celsius - What is the vapor pressure of ethanol at 18 degrees Celsius?
We are considering the process: C2H5OH (l) -> C2H5OH (g) Kp = P(C2H5OH) At the normal boiling point of C2H5OH, the equilibrium constant, Kp, for this process is 1, and ΔG0 = -RTln(K) = 0 = ΔH0 - TΔS0. Substituting 42600 J for ΔH0 and 78.5 + 273.15 = 351.65 K for T gives ΔS0 = 121 J/K.
What is the pressure in torr at 213 psi?
11,012 torr
What is the pressure in atmosphere of gas that has a pressureof 600 torr?
600 Torr (1 atm/760 Torr) = 0.789 atmospheres ================
What is the vapor pressure of water at 72 degrees celsius?
The vapor pressure of water at 72 degrees Celsius is approximately 28.1 mmHg.
