entropy
Q: a. How much heat is required to change 50 grams of ice, at an initial temperature of 0°C, to steam…
A: In given question, first the ice changes to water by absorbing latent heat of fusion then the water…
Q: After an isobaric process, the enthalpy of 28g of CO gas, increases by 2700 J. The initial…
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Q: A Styrofoam cup holding 130 g of hot water at 97°C cools to room temperature, 23.0°C. What is the…
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Q: 1.75 kg of carbon dioxide sublimate from solid dry ice to a gas at a pressure of 100 kPa and a…
A: Given mass of carbon dioxide m=1.75 kgTemperature T=194.7 KLatent heat of sublimation L=5.77×105…
Q: Half of a 1.5-kg block of ice melts at 0.00°C. What is the change in entropy of the ice? Note that…
A: given that,mass, m=1.5 kgheat of fusion L=333kJkgT=0°C=273 K
Q: Three kilograms of gas are heated from 200 deg.C to 500 deg.C at a constant pressure in a heat…
A: change in temperature ∆T = 300 deg celsius mass m = 3 kg
Q: 4. Calculate the entropy of Van der Waal's gas a function of femp. and volume.
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Q: We mix 8 litre of helium with 2 litre of argon at 300 K and atmospheric pressure. Calculate the…
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Q: Isothermal: T = constant Adiabatic: S= constant; Q =0 a+1 pV = const.; V*-\T = const.; y=- Boltzmann…
A: We have to explain the formula mentioned above Concept of thermodynamics and statistical mechanics…
Q: Entropy and free enthalpy of a system are given by: N ( 1₂ B-T² + ²) and G(T,p) = −kTN · In B.TZ 5 Р…
A: Given : Entropy of the system, ST,p=kNlnB.T52p+52 Enthalpy of the system, GT,p=-kTN.lnB.T52p…
Q: We mix 5 mole of oxygen with 5 mole of nitrogen at 300 K and atmospheric pressure. Calculate the…
A: Given, The number of moles of oxygen no=5 moles. The number of moles of nitrogen nn=5 moles The…
Q: Q4 A- Answer false or true and correct: 1. For an isolated system which does not undergo any energy…
A: Part (1) When a system is isolated, then the interaction of energy and mass is restricted between…
Q: Suppose that Process B and Process C, each have a lower specification limit (LSL) of 2, and an…
A: Process capability is an important statistical tool. It is used to measure the ability of a process…
Q: In a specific heat test, 200 g of aluminum C, 0.215- g oc is mixed with 50 cal ? g of water at 20 °C…
A: Given data, Specific heat of the aluminum = 0.215 Cal/gm.oC Mass of aluminum = 200 gm Initial…
Q: energy
A: When muscle contracted then no of molecules remain constant, electrical charge and length are also…
Q: Energy is added as heat to 250 g of water at 10°C, raising its temperature one Celsius degree. a)…
A: Given: Mass of water = 250 gm Initial temperature of the gas = 10 degree Celsius = 283 K Final…
Q: 2. In lecture, it was stated that the ideal efficiency of the Otto cycle is € = 1 -(V2/V) 1 where Vi…
A: Here is the Answer and Explanation
Q: 2Po - B P. P.
A: Number of moles, n=1 paths AB and CB are isothermal, paths BC and DA are isobaric. at all the points…
Q: Explain how water’s entropy can decrease when it freezes without violating the second law of…
A: Total energy is always given as the sum of energy of the system and energy of the surroundings.
Q: a. Automobile fuel ignites at about 550 K. Estimate the Carnot efficiency assuming that this is the…
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Q: An ideal diatomic gas follows the thermodynamic cycle illustrated in the given PV-diagram. The…
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Q: Three kilograms of gas are heated from 200 deg.C to 500 deg.C at a constant pressure in a heat…
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Q: For isothermal reversible expansion of an ideal gas, which of the following quantities: ΔU, ΔH, ΔS,…
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Q: 2. A system has the fundamental relation S= AN/4 V 1/4U1/2 , in which A is a positive constant, U is…
A: a. Using the given relation, S=AN1/4V1/4U1/2U1/2=SAN1/4V1/4U=S2A2NV…
Q: 1.14. Show that for a one component p - V-n system (Əµ/av),= v(@p/av)T, where u is the volume per…
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Q: consider a cyclic heat engine consisting of one mole of a monoatomic ideal gas (y=5/3)
A: Given;- consider a cyclic heat engine consisting of one mole of a monoatomic ideal gas (y=5/3)…
Q: A given star is a sphere with a radius of 6.02x108 m and an average surface temperature of 6380 K.…
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Q: 3 moles of O2 at 1 atm and 500K expands isothermally to 0.3 m3. What is the change in entropy of the…
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Q: 2.0Kg of water at 0 degree celcius heated to 100 degree celcius. Compute its change in entropy. Mc…
A: Check out the form of chemical
Q: A process at constant volume pressure takes n mole rigid diatomic from an initial temperature T to a…
A: Given value--- initial temperature = T. final temperature = 3T. We have to find--- Change in…
Q: The pressure of the air in a starting vessel is 40 bar and the temperature is 24 °C. If a fire in…
A: Since the volume of the vessel remains the same before and after the process it represents the…
Q: A diatomic gas in 20-L rigid container at 35 ⁰C and 6.3 atm is heated to 50 ⁰C. Determine the change…
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Q: Question B2i. Give an equation for the infinitesimal change in entropy, ??, of a system in terms of…
A: The objective of the first part of the question is to provide the equation for the infinitesimal…
Q: 1. A gas obeys the following equation of state: ap² T m³K bar mol where a = - P(v − b) = RT + -0.001…
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Q: 1. A certain gasoline engine has an efficiency of 31%. What would the hot reservoir temperature be…
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Q: Identify the processes in the cycle. Þ 1. Path AB = The temperature in (1) is 350 K, the work done…
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Q: 7. The entropy of 500g of water increases or decreases as it undergoes temperature change or phase…
A: Water is going through a phase change at T=0oC with latent heat of fusion as L=3.33×105 J/kg.…
Q: Estimate the change in molar entropy when a sample of argon (c) is compressed from 2.0 dm³ to 0.5…
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Q: 1. One mole of an ideal gas expands isothermally at T=20°C from 1.2 m³ to 2.2 m³. The gas constant…
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Q: 10 During an isothermal process at 88°F, the pressure on 8 lb of air drops from 80 psia to 5 psig.…
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Q: 2. Stirling Cycle A diatomic ideal gas (n moles) goes through cycle a-b-c-d-a as shown in the…
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Q: 5. Given the equation for hypothetical system InZ = aT¹V Evaluate, the mean energy, entropy and…
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Q: An insulated box contains 10 gas molecules. Each molecule has the same probability of being in the…
A: Part-i Given: Number of molecules n = 10.
Q: Problem 5 Consider a substance that has a melting temperature of T= 159 K at p=1 atm and a melting…
A: The melting temperature of the substance is given as, Tm=159 K, The melting enthalpy is given as,…
Consider a process (expansion/compression) of a gas (e.g. Ar) in a sealed cylinder surrounded by another gas (e.g. air). Which of the following statements is correct in regards to a change in entropy?
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