Zeroth law of thermodynamics can be derived. It is not based on observation. True or False? a) True b) False
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Zeroth law of
a) True
b) False
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- Learning Goal: To understand the meaning and the basic applications of pV diagrams for an ideal gas. As you know, the parameters of an ideal gas are described by the equation PV = nRT, where p is the pressure of the gas, V is the volume of the gas, n is the number of moles, R is the universal gas constant, and I is the absolute temperature of the gas. It follows that, for a portion of an ideal gas, PV = constant. One can see that. if the amount of aas remains Figure ЗРО 2po Po Vo 4 6 2V 3V V 1 of 1 ▼ Calculate the work W done by the gas during process 1-3→6. Express your answer in terms of po and Vo. W = 4po Vo Submit ✓ Correct Part E Calculate the work W done by the gas during process 2→6. Express your answer in terms of po and Vo. VE ΑΣΦ W = Previous Answers Submit Provide Feedback Request Answer Part F Complete previous part(s) Part G Complete previous part(s) ?An ideal gas is compressed in a well-insulated chamber using a well-insulated piston. This process is A) isochoric. B) isothermal. C) adiabatic. D) isobaric. O A O BNeed a,b,c
- The heat engine shown in the figure uses 2.0 mol of a monatomic gas as the working substance. (Figure 1) Figure p (kPa) 600 400 200 0 0 0.025 0.050 V (m³) 1 of 1 Part A Determine T₁, T₂, and T3- Enter your answers numerically separated by commas. Express your answer using two significant figures. T₁, T2, T3 = 600,1800, 1200 K Submit Previous Answers ✓ Correct Part B Determine AEth, Ws, and Q for 1→2. Enter your answers numerically separated by commas. Express your answer using two significant figures. IVE ΑΣΦ AEth, Ws, Q = 30000, 12500, 42500 Submit Previous Answers Request Answer ? J X Incorrect; Try Again; 4 attempts remaining Term 2: Review your calculations and make sure you round to 2 significant figures in the last step.An electrical power station requires 1.05 × 1014 J of heat transfer into the engine and has an efficiency of 42 %. a.) How much heat transfer occurs to the environment by the electical power station in J? b.) What is the ratio of heat transfer to the environment to work output? c.) How much work is done in J?QUESTION 25 The temperature at state A is 20°C, that is 293 K. What is the heat (Q) for process A to D, in MJ (MegaJoules)? (Hint: What is the change in thermal energy and work done by the gas for this process?) Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. p (atm) 5 4 3 2 1 O A D 1 1 2 3 4 B I 5 → V (m³)
- Part A What is the total translational kinetic energy of the air in an empty room that has dimensions 8.00 m × 14.0 m × 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 AnswerWhich of the following changes (there may be more than one) would increase the maximum theoretical efficiency of a heat engine?A. Increase TH B. Increase TC C. Decrease TH D. Decrease TCA workshop measures 7m x 13m and is lighted by 10 lamps which are rated at 200 W and have an efficiency of 15 lumen per watt. Assuming a depreciation factor of 0.67 and a coefficient of utilization of 0.5, find the illumination on the working plane. a. 102.4 lux b. 112.3 lux c. 123.3 lux d. 110.4 lux
- 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 mI need help solving this problem please help A 6-inch personal pizza has 570 calories. A 14-inch pizza is cut into 8 slices. Estimate the number of calories in one slice of a 14-inch pizza. Round your answer to the nearest calorie.A surveyor has a stainless steel measuring tape that is calibrated to be 100.000 m long (i.e., accurate to ±1 mm) at 20°C. She needs to add the correction factor to get the true distance. Submit Correct Part B How large, in mm, is the correction factor? Express your answer in millimeters to two significant figures. ► View Available Hint(s) Previous Answers AL = 11 Submit VΠ ΑΣΦ Provide Feedback Previous Answers ? X Incorrect; Try Again; 14 attempts remaining mm