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- If an unknown quantity of gas at a pressure of 121.6 kPa, a volume of 31 liters, and a temperature of 87 °C, how many moles of gas do have? 16. Equation/ formula: 17. Temperature in Kelvin: 18. Solution: 19. Answer: 20. Rationale:If a gas at 25 °C occupies 3.7 L at a pressure of 0.97 atm, what would be the volume if the pressure is increased to 2.06 atm?An airship has an internal volume of 450,000 m3. How many grams of hydrogen gas can be contained in the airship at 0.90 atm and 30.0 °C? Answer in grams.
- 2. A balloon has a volume of 4.0 L when at sea level (1.0 atm) at a room temperature of 28°C What will be its volume when inflated with the same amount of gas at an elevation where the atmospheric pressure is 700 mm Hg at 28°C?The density of mercury is 13 600 kg/m3 at 0 °C. What would its density be at 166 °C?The gas in a constant-volume °C. (a) What is the pressure of the gas at 47.5 °C? gas thermometer has a pressure of 93.5 kPa at 105
- -A piece of stone weighs 0.05 pounds. When it is submerged in a graduated cylinder containing 50 ml of water, the level rises to 60 ml. What is the density of stone in g/ml. Ans 2.27 g/ml -The temperature at which mercury freezes is -35°C. What temperature in degrees Fahrenheit at which a mercury thermometer cannot be used? Ans. -31 °F5. Find the volume of 0.85 moles of gas at pressure of 520torr and a temperature of 15°C. (1atm = 760 torr) = 6. 200g of water at 50oC in a 80g glass are added to 10g of ice at 0 oC. Solve for the final temperature of the mixture. Assume that the ice has melted. (cglass=0.16 cal/g-oC).The pressure inside a gas bottle is 3880 kPa when the temperature is 26.2 °C. What will be the pressure inside the bottle, if 32.7 percent of the gas is released and the temperature of the gas drops to 4.7 °C? Submit Answer Tries 0/12
- When a given gas, under pressure and temperature respectively 5x105 Pa and 25 ° C expands 3 times from the initial volume, its final pressure becomes 1.07x106 Pa. Find what is the final temperature?2. A reservoir contains 2.83m3 of carbon monoxide at 6895 kPa and 23. 6 C. An evacuated tank is filled from the reservoir to a pressure of 3497 kPa and a temperature of 12.4 °C, while the pressure in the reservoir decrease to 6205kPa and the temperature is 18.3 °C. What is the volume of the tank? R for CO is 296.92 J/kgm-KThe density of gold is 19.32 g/cm³ at 20 °C, express the density of gold in kg/m3.