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Q: What are the zeroeth and first law of thermodynamics?
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Zeroth law of thermodynamics states that if two systems are individually in thermal equilibrium with a third system, then the two must also be in thermal equilibrium with each other.
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- What is the net work output of a heat engine that follows path ABBA in the figure above, with a straight line from B to D? Why is the work output less than for path ABCDA? Explicitly show how you follow the steps in the Problem Solving Strategies for Thermodynamics.A great deal of effort, time, and money has been spent in the quest for a so-called perpetual-motion machine, which is defined as a hypothetical machine that operates or produces useful work indefinitely and/or a hypothetical machine that produces mole work or energy than it consumes. Explain, in terms of the first law of thermodynamics, why or why not such a machine is likely to be constructed.An ideal gas expands isothermally along AB and does 700 J of work (see below). (a) How much heat does the gas exchange along AB? (b) The gas then expands adiabatically along BC and does 400 J of work. When the gas returns to A along CA, it exhausts 100 J of heat to its surroundings. How much work is done on the gas along this path?
- (a) On a winter day, a certain house loses 5.00108J of heat to the outside (about 500,000 Btu). What is the total change in entropy due to this heat transfer alone, assuming an average indoor temperature of 21.0C and an average outdoor temperature of 5.00C ? (b) This large change in entropy implies a large amount of energy has become unavailable to do work. Where do we find more energy when such energy is lost to us?When a gas expands along path AC shown below, it does 400 J of work and absorbs either 200 or 400 J of heat. (a) Suppose you are told that along path ABC, the gas absorbs either 200 or 400 J of heat. Which of these values is correct? (b) Give the correct answer from part (a), how much work is done by the gas along ABC? (c) Along CD, the internal energy of the gas decreases by 50 J. How much heat is exchanged by the gas along this path?Question 4! This is applied thermodynamics (think of degrees of freedom)! I could really use your help with this! Thank you
- Q/What are rhe types of thermodynamic system? Explain ir in dernils.Physics Hello, I have problems for the physics - thermodynamic, can you please explain to me and show me the steps that I can understand quickly? Many many thanks! 17/ An electric radiator with a power of 1 kW supplies heat to the air. Air expands isobaric. a) what is the increase in internal energy of air per second? b) how long does it take for this radiator to increase the temperature of 100 kg of air (molar mass of 29) by 15 while the pressure remains constant? The answers are 714J per second; 1505sA thermodynamic system is taken from state A to state B to state C, and then back to A, as shown in the p-V diagram of Figure below.The vertical scale is set by p, = 40 Pa, and the horizontal scale is set by Vs = 4.0m³. i. Analyze the graph using first law of thermodynamics and complete the following table by inserting a plus sign, minus sign, or a zero in each indicated cell ? AEint A >B (a) (b) + (c) (d) + (e) (f) (3) V, Volume (m) ii. Analyze the graph using first law of thermodynamics and determine the net work done by the system as it moves once through the cycle ABCA?
- What I Can Do Direction: Identify at least 3 household chores that you do with an application of the 1st Law of Thermodynamics.ANSWER THE FOLLOWING QUESTIONS: 1. Why is it impossible for a totally isolated system to exist in nature? Explain briefly. 2. What is the sum of the kinetic and potential energy of a system? 3. The living cell exhibits thermodynamic equilibrium. True or False? Why?Figure A. the objects A and B are inside a closed system(isolated with the outside environment) wherein they are separated with adiabatic wall (no flow of energy). Figure B. is separated with diathermic wall (permits the flow of energy). Explain how the Zeroth law of thermodynamics in the figure A and B.
