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9.(10 points) If you collect 0.680 L of a sample of oxygen over water at a temperature of 27.0 °C and 774 torr, what volume would the dry gas occupy at the same conditions of temperature and pres...
9. In a laboratory experiment, 259 mL of gas was collected over water at 24 °C and 751 torr Calulat the volume that the dry gas would occupy at STP. (The vapor pressure of water at 24 °C is 22.4 torr.) A sample of neon effuses from a container in 76 seconds. The same amount of an unknown noble gas requires 155 seconds. Identify the gas. 10. 82 ri si
A sample of oxygen gas occupies 1.9 L at pressure of 1156 torr. What volume will it occupy when the pressure is changed to 912 torr and temperature remains constant?
A 100 mL sample of oxygen gas is collected over water at 26 °C and at a pressure of 756 torr. Given that the vapor pressure of water at 26 °C is 25 torr, how many moles of dry oxygen are present? Show all steps and explain fully. ANSWER: 3.9 x 10^-3 mol
A sample of oxygen gas occupies a volume of 6.05 L at 53.0°C and 357 torr. If the volume of the gas sample is decreased to 3.60 L, while its temperature is increased to121.0°C, the resulting gas pressure will be torr.
Pre-lab for Molar Volume of a Gas How much volume does a gas occupy under standard conditions of temperature (O°C or 273 K) and pressure (1 atm or 760 mmHg)? As you knew from high school, after reading the lab manual, or from lecture, you already know the answer is 22.4 L per mole (L/mol). Thus, this is more of a verification than a true experiment. In a nutshell, you will generate hydrogen gas via a reaction, collect that gas...
A sample of He collected over water at a temperature of 20'C has a pressure of 705 torr. What is the pressure of the dry gas? The vapor pressure of water at 20'C is 17.5 torr
50 L of a gas were collected over water when the barometer read 550.0 mmHg and the temperature was 22°C. What volume would the dry gas occupy at standard conditions?
40 L of a gas were collected over water when the barometer read 515.0 mmHg and the temperature was 34°C. What volume would the dry gas occupy at standard conditions?
What volume (in L) would a 18.0 g sample of C2H6 gas occupy at a pressure of 1292 mm Hg and a temperature of 35.0 °C?
At 20°C, a sample of gas has a volume of 2.51 L at 795 torr. What is the new pressure (in atm) if the volume is increased to 6.46 L at the same temperature?