A balloon is filled with nitrogen at a temperature of 15 oC to a pressure of latm and has a density p. If the temperature is increased to 25 C and the pressure is increased to 2.5 atm, then the new density of the balloon will be equal to: O 0.70 p O 2.42 p O 0.64 p 1.45 p
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- One mole of hydrogen gas (molar mass = 2.0 g/mol) has an rms velocity of 2.0 x 10° m/s. To what temperature on the Celsius scale does this correspond? 3.2 x 105 °C O 4.8 x 104 C 3.2 x 102 °C 48°C 6.9°CIf I have 2.9 L of gas at a pressure of 5.0 atm and a temperature of 50.°C, what will be the temperature of the gas if I decrease the volume of the gas to 2.4 L and decrease the pressure to 25 psi?Two moles of an ideal gas are placed in a container whose volume is 7.9 x 103 m3. The absolute pressure of the gas is 4.5 x 10 Pa. What is the average translational kinetic energy of a molecule of the gas? Number Units the tolerance is +/-2% the toler
- The density of air at standard conditions (P = 1 atm and T = 20ºC) is 1.28 kg/m3 . At what pressure is the density 0.64 kg/m3 if the temperature and number of molecules are kept constant?If I have 7.7 moles of gas at a pressure of 0.09 atm and at a temperature of 56 0 C, what is the volume of the container that the gas is in?A weather balloon rises through the atmosphere, its volume expanding from 4.0 m3 to 12 m3 as the temperature drops from 20°C to –10°C. If the initial gas pressure inside the balloon is 1.0 atm, what is the final pressure?