While the pressure remains constant and 85 psig, the volume of air changes from 20 ft3 to 12 ft. Find the amount of work done on or by the closed system in BTU? 125.86 142.63 O -142.63 O -125.86

Q: THERMODYNAMICS: Use the given standard enthalpies of formation to calculate the AH° (in kJ) for the…

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Q: How much heat is required to raise the temperature of 13.5grams of water at 15ºC to 25ºC? SHOW ALL…

A: Given  mass of water ( m )             = 13.5 gram  Initial Temperature ( T1 )     =  15 ℃  Final…

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Q: ACTIVITY: Answer the following accordingly and completely. Explain all answers in 5-6 sentences on…

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Q: Q3: Air undergoes a three-process cycle. if the processes are :1→ 2: constant- pressure expansion…

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A: Given data  Applied voltage : V = 110 Volt Current : i = 6 Amp time : t = 24 min mass of water : m =…

Q: At 1 atm, how much energy is required to heat 49.0 g H₂O(s) at -12.0 °C to H₂O(g) at 161.0 °C? Use…

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Q: A 24.798 g quantity of N,O4(g) was placed in a 1.586 L container at 400K. The chemical decomposes to…

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Q: ifa system is performing 45 Jof work to the surrounding and is gaining 30 J of heat from the…

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Q: mochemistry [References] TUTOR Thermal Equilibrium I A 44.4 g sample of copper at 99.8 °C is…

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Q: One spring Sunday, my children asked me to put the inflatable pool that measures 1m × 2m x 0.6m, but…

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Q: Emma, a student, makes the following claim:   My calculated value for the specific heat falls…

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Q: A gas compressor releases 1,500 k) of heat while doing 500 k) of work. Calculate AEgurroundings.…

A: Given that : Heat released by the system = 1500 kJ Work done by the system = 500 kJ

Q: The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is…

A: Change in enthalpy = -5074.2 kJ Change in internal energy = -5084.2 kJ

Q: Q16:- A classic assembly consists of s of energy segments, the energy of each segment is determined…

A: Answer is explained below. Given that Energy levels,Es=0.1s (s=0,1,2,3,4,5 etc)Multiplicity,…

Q: Using the following data, determine the heat of reaction for the combustion of 1 mol of ethylene,…

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Q: QI/ A stream containing 10% CH4 and 90% air by volume is to be heated from 20 to 300 °C. calculate…

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Q: The work done by an isothermal reversible expanding of 1 mol of an ideal gas from a volume of 20 L…

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Q: Moving to another question will save this stion 9 What is the theoretical efficiency of an engine…

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Q: 1. A 45.0 kg chunk of metal (specific heat 0.300 1/gC) initially at 25.0°C absorbs 122,000 ) of…

A: We can calculate the final temperature from the given formula  q = m × C × (Tfinal - Tinitial) Where…

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Q: Determine the heat required to raise the temperature of a copper pipe (mass = 422 g) that starts at…

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A: Given,

Q: Lower heat capacity: 1025 Steel Nylon 6

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Q: work

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Q: A 50.0g of water at 80C is added to a 50.0g sample of water at 20C. What should be the final…

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Q: Oxy-acetylene torches can be used to cut or weld metal. Oxygen and acetylene are fed from separate…

A: Since you have asked multiple questions, we will solve first three questions for you. If you want…

Q: The heat index (HI) is an estimate of the temperature felt by the human body based on the actual…

A: HI = -42.379 +2.04901523T +10.14333127 hr -0.22475541Thr - (6.83783 x 10-³)T²− (5.481717 × 10 -2)…

Q: amount of work done on the system

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Q: Q.11 In an IC engine working with Nitrogen gas on an ideal Otto cycle, the minimum enclosed volume…

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Q: kJ. The value of AE for a system that performs 139 kJ of work on its surroundings and gains 54 kJ of…

A: according to first law of thermodynamics      ∆E = q+ W

Q: At 1 atm, how much energy is required to heat 53.0 g H2O(s)53.0 g H2O(s) at −18.0 ∘C−18.0⁢ ∘C to…

A: At first the water (ice) at -18 oC  will be heated to form liquid water then on further heating to…

Q: At 1 atm, how much energy is required to heat 87.0 g H2O(s)87.0 g H2O(s) at −10.0 ∘C−10.0 ∘C to…

A: Answer  Heat transfer  Q = mcPdT M  = 87.0 gm    cp =…

Q: A 20L N2 gas container compress at 10 atm and 25°C. Calculate work done when the gas is expands…

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Q: In Reaction 3 of Hess’s Law Lab, 50.0 ml (50.0g) of a 1.00M HCl solution at  22.00ºC is added to…

A: Mass of HCl solution = 50 g  Mass of NaOH solution = 50 g Mass of solution = (50 + 50) g or 100 g

Q: A beaker contains 900 g of water at 30°C. An iron rod of mass 500 g and temperature 85°Cis immersed…

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Q: A weather ballon is inflated on a beach from 0.00800m^3 to 2.90m^3. How much pV-work in kJ was…

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Q: At 1 atm, how much energy is required to heat 87.0 g H2O(s)87.0 g H2O(s) at −24.0 ∘C−24.0⁢ ∘C to…

A: Firstly, the heat to move the solid water from -24.0°C to 0.0°C the heat needed to convert from…

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Q: At 1 atm, how much energy is required to heat 43.0 g H,O(s) at –24.0 °C to H,O(g) at 141.0 °C? Use…

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Q: A system consists of 50.0 g of liquid water.  The water is vaporized to form steam at 1.00 bar and…

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Q: Calculating pressure-volume work BryAnna 1/5 A mixture of krypton and argon gas is expanded from a…

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