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26 mL of oxygen gas at a temperature of 20 degrees Celsius is heated to 162...
a gas occupies 20.0 L at 680 mmHg and temperature of 20 degrees Celsius. what is the gas volume at STP? 2. A gas occupies 20.0 L at 680 mmHg and temperature of 20 °C. What is the gas volume at STP? V 13 - 273=295k A gas occupies 20.0 L at 680 mmHg and temperature of 20 °C. What is the gas volume at STP? HL mass of gas =
A sample gas is heated from - 160.0 degrees Celsius to 100.0 degrees Celsius and the volume is increased from 1.00 L to 10.0 L. If the initial pressure is 3.00 atmospheres, what is the final pressure?
A glass flask has a volume of 500 ml at a temperature of 20 degrees celsius. The flask contains 492 ml of mercury at an equilibrium temperature of 20 degrees celsius. The temperature is raised until the mercury reaches the 500 ml reference mark. The coefficients of volume expansion of mercury and glass are 18*10^-5 K^-1 and 2.0*10^-5 K^-1, respectively. The temperature at which this occurs, in degrees celsius is closest to:
A gas sample had an inknown pressure with a temperature of 42 degrees Celsius. The same gas has a pressure of 2.83 atm when the temperature is -18 degrees Celsius, with no change in volume or amount of gas. What is the initial pressure, in atm, of the gas? Agas sample has a unknown pressure with a temperature of 42°C. The same gas has a pressure of 2.83 atm when the temperature is -18°C with no change in the volume...
16.3L of nitrogen gas, N2 at 25.0 degrees Celsius and 125kPa and 32.2L of oxygen gas, O2 at 25.0 degrees Celsius and 125kPa were transferred to a tank with a volume of 4.75L. What is the total pressure of the mixture at 31.0 degrees Celsius?
1. To what Celsius temperature must 68.0 mL of krypton gas at 13.0°C be changed so the volume will triple? Assume the pressure and the amount of gas are held constant. Enter your answer to four significant figures. ______°C 2. To what Kelvin temperature must 125 mL of a gas at 39.0°C be changed so the volume will be 375 mL? Assume the pressure and the amount of gas are held constant. ________K 3. What is the final pressure of...
A sample of oxygen, at 24 degrees Celsius, occupies a volume of 5.44 x 10^2 milliliters (mL) at 1.33 atm pressure. What pressure must be applied to compress the gas to a volume of 1.05 x 10^2 mL, with no temperature change?
The temperature used in the ideal gas law must be expressed in a. Celsius b. Fahrenheit c. Kelvin d. Pascale e. Any of the above 680 Fahrenheit is equivalent to a. 273 Kelvin b. 298 Kelvin c. 0 Celsius d. 212° Fahrenheit e. None of the above Which has more mass, a mole of Nitrogen and a mole of Hydrogen a. 1. 2. 3. Nitroger b. Hydrogen c. Both have same mass d. Neither has any mass 4. Two identical...
0.10mol of argon gas is admitted to an evacuated 50cm^3 container at 20 degrees celsius. The gas then undergoes an isobaric heating to a temperature of 300 degrees celsius. What is the final volume of the gas?
Oxygen gas was collected over hot water at 75 degrees Celsius. A volume of 78.3mL at a total pressure of 101kPa was obtained. The saturated vapour pressure of water at 75 degrees Celsius is 38.7kPa. (i) What was the partial pressure of the oxygen? (ii) What mass of oxygen was collected? (iii) Why was hot water used?