A gas in a closed container with a certain volume at a temperature of 250 K and a pressure of 400 mmHg is heated to a temperature of 375 K so that the pressure becomes 600 mmHg, then how many times will the average molecular velocity increase?
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A gas in a closed container with a certain volume at a temperature of 250 K and a pressure of 400 mmHg is heated to a temperature of 375 K so that the pressure becomes 600 mmHg, then how many times will the average molecular velocity increase?
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- The initial temperature of three moles of oxygen gas is 35.0°C, and its pressure is 6.90 atm. (a) What will its final temperature be when heated at constant volume so the pressure is four times its initial value?(b) Now the volume of the gas is also allowed to change. Determine the final temperature if the gas is heated until the pressure and the volume are tripled.Problem 5: Hydrogen molecules, with a molar mass of 2.016 g/mol, in a certain gas have an rms speed of 450 m/s. What is the temperature of this gas, in kelvins? T = KYusheng and Dominic determine the root-mean-square speed (thermal speed) of the molecules of a gas to be 200 m/s at a temperature 23.0°C. What is the mass of the individual molecules? The Boltzmann constant is 1.38 x 10-23 J/K. 2.45 x 10-25 kg 5.66 x 10-25 kg 3.11 x 10-25 kg 2.13 x 10-25 kg
- The following figure is a histogram showing the speeds of the molecules in a very small gas. What are (a) the most probable speed, (b) the average speed, and (c) the rms speed?Problem 7: Hydrogen molecules, with a molar mass of 2.016 g/mol, in a certain gas have an rms speed of 345 m/s. What is the temperature of this gas, in kelvins? T=What is the RMS speed (in m/s) of a gas molecule, with mass 4.3x10-26 kg at a temperature of 98 degrees Fahrenheit?
- The density of helium gas at 0°C is po = 0.179 kg/m³. The temperature is then raised to T = 160°C, but the pressure is kept constant. Assuming that helium is an ideal gas, calculate the new density p, of the gas. kg/m³(a) 0.3740 moles of krypton gas is placed in a 9.75 L container at 239 K. Find the pressure of the gas in bar? (b) What is the average kinetic energy per mole of krypton gas atoms featured in the previous part? Report your answer in J/mol.Dry air consists of approximately 78% nitrogen, 21% oxygen, and 1% argon by mole, with trace amounts of other gases. A tank of compressed dry airhas a volume of 1.76 cubic feet at a gauge pressure of 2200 pounds per square inch and a temperature of 293 K. How much oxygen does it contain in moles?
- What is the root mean squared velocity of Nitrogen gas at room temperature (295 K)? The mass of N2 is 4.65 x 10-26 kg. Is every gas molecule moving at this speed?What is the root-mean- Square Speed in mls of gas molecules with molar molecular weight 33 gimöl at a temperature of 87.29 °C? T=87.29°C + 273 33 gimol 360. 29 k = 0.033 kg/melWhat is the RMS speed of Helium atoms when the temperature of the Helium gas is 312.0 K? (Possibly useful 1.66x10-27 kg, Boltzmann's constants: the atomic mass of Helium is 4.00 AMU, the Atomic Mass Unit is: 1 AMU constant is: kg = 1.38×10-23 J/K.) kB Submit Answer Tries 0/12 What would be the RMS speed, if the temperature of the Helium gas was doubled? Submit Answer Tries 0/12 =