Part A What is the total translational kinetic energy of the air in an empty room that has dimensions 8.00 m x 14.0 m x 5.00 m if the air is treated as an ideal gas at 1.00 atm? Express your answer with the appropriate units. HA Ktr = Value Units Submit Request Answer Part B What is the speed of a 2000 kg automobile if its kinetic energy equals the translational kinetic energy calculated in part A? Express your answer with the appropriate units. HA Value Units U = Submit Request Answer
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- Part A How much heat does it take to increase the temperature of 1.80 mol of an ideal gas by 50.0 K near room temperature if the gas is held at constant volume and is diatomic? Express your answer with the appropriate units. HẢ Q = Value Units Submit Request Answer Part B What is the answer to the question in part A if the gas is monatomic? Express your answer with the appropriate units. Q = Value UnitsA 20-cm-diameter cylinder that is 40 cm long contains 60 g of oxygen gas at 20° C. For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Air in warmed tire. Part B How many oxygen molecules are in the cylinder? N 1.1x1024 molecules Submit Part C Correct Here we learn how to find the number of molecules in the gas if we know its mass. n = What is the number density of the oxygen? Express your answer in molecules per meter cubed. Previous Answers Submit Part D 17 ΑΣΦ Request Answer ? What is the reading of a pressure gauge attached to the tank? Express your answer with the appropriate units. m -38.2 moles of an ideal monatomic gas expand adiabatically, performing 8000 J of work in the process. Part A What is the change in temperature of the gas during this expansion? Express your answer to two significant figures and include the appropriate units. AT = Value Units Submit Request Answer
- When you ride a bicycle at constant speed, nearly all the energy you expend goes into the work do against the drag force of the air. Model a cyclist nou as having cross-section area 0.45 m² and, because the human body is not aerodynamically shaped, a drag coefficient of 0.90. Assume that the density of air is 1.2 kg/m 2. 3Part A A container holds 0.50 g of argon at a pressure of 7.0 atm. How much heat is required to increase the temperature by 100" C at constant volume? Express your answer in joules. J Submit Reauent Answer Part B How much will the temperature increase if this amount of heat energy is transferred to the gas at constant pressure? Express your answer in degrees Celsius. AT= "C Submit Reguest AnswerPart B PLEASE
- N2 gas in a container is contracted by one third of the original volume to a total of 12 dm3 isothermally. The pressure is now 2 bar, what was the original pressure before the contraction?1A 3.00 L tank contains air at 3.00 atm and 20.0° C. The tank is sealed and cooled until the pressure is 1.00 atm. Part A What is the temperature then in degrees Celsius? Assume that the volume of the tank is constant. Express your answer in degrees Celsius. T = Submit Part B V = ΑΣΦ Submit Request Answer If the temperature is kept at the value found in part A and the gas is compressed, what is the volume when the F Express your answer with the appropriate units. μA Value Request Answer Units ≈ ? ? O
- Consider an ideal gas at 27.0 degrees Celsius and 1.00 atmosphere pressure. Imagine the molecules to be uniformly spaced, with each molecule at the center of a small cube. Part A What is the length L of an edge of each small cube if adjacent cubes touch but don't overlap? Express your answer numerically in meters. ► View Available Hint(s) L = for Parval for PartAddo for Part Submit redo for Part A reset for Part A keyboard shortcuts for Part A help for Part A m5.0 g of nitrogen gas at 20°C and an initial pressure of 2.8 atm undergo a constant-pressure expansion until the volume has tripled. Part A What is the gas volume after the expansion? Express your answer with the appropriate units. ► View Available Hint(s) V= Submit HA Value Previous Answers Units ? X Incorrect; Try Again; 5 attempts remainingR Review I Constants Part A A container holds 1.0 g of argon at a pressure of 8.0 atm. How much heat is required to increase the temperature by 100° C at constant volume? Express your answer with the appropriate units. H HẢ Q = Value Units %3D Submit Request Answer Part B How much will the temperature increase if this amount of heat energy is transferred to the gas at constant pressure? Express your answer in kelvins. ΑΣφ K AT =