Q2: A: Some of aluminum, having amass 20 kg, cools from a temperature of 120 °C to 70°C. If the specific heat capacity of aluminum is (900 J\kg. °C ), how much the heat energy is lost by the aluminum ?

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Q: Q5/A/ An empty cold room has a volume of 27 m³, If the pressure inside is 1.2 bar and the…

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Q: Q1/ Applying Clausius inequality to determine the minimum heat rejected if (300000 W) heat supplied…

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Q: For isobaric process, 1 mol of an ideal gas with Cp=5/2R the temperature changes from 125 K to 255 K…

A: Given process being isobaric, Change in enthalpy=ncpdT    ,n=1mol R=8.314J/molk

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A: Given Data  The equation used  to compute the answer :V = πh23R-h3-------(1)R = 6m V = 800 m3Initial…

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A: Given that edge length = 0.585 nmdensity = 4.82 gcm3

Q: 0.67 mol of acetic acid are added to 1 litre of pure water with no discernible change in volume.…

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Q: The number of grams of Cl in an AgCl precipitate weighing 0.408 g are:

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Q: Which of the following units is not equivalent to ppm? O mg/L O ug / L O ug/g O ug/mL

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Q: Q4) Hypothetical metal has an FCC crystal structure. If its density is 22.4 g/cm3, and atomic weight…

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Q: Question 2: Determine the energy required in Kilowatt-hour (Kwh) to produce 500kg of pure iron at…

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Q: In a thermodynamic processes, If the amount of work done on the gas by its surrounding is 200 J and…

A: Given data: Work done;W=200 JInternal energy;∆U=690 J

Q: Q5/A/ An empty cold room has a volume of 27 m³, If the pressure inside is 1.2 bar and the…

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Q: How to produce more valuable chemicals such as PP, PX and PTA from crude oil.

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Q: For isobaric process, 1 mol of an ideal gas with Cp=5/2R the temperature changes from 125 K to 255 K…

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Q: B. Suppose that in USA, the consumption of gas in 2004 is 24 EJ and the reserved is 195 EJ. then how…

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Q: O Derive the work expression during the polytropic process (P₁v₁" =P₂v₂"=Constant) of an ideal gas.

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Q: Question 26 The FCC stacking is referred to as an ABCABC O True O False

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Q: For isobaric process, 1 mol of an ideal gas with Cp=5/2R the temperature changes

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Q: 19. What is the effectiveness (A) 0.345 (B) 0.766 (C) 0.625 (D) 0.456

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Q: -385.76 mol is the standard neat of the howing reaction! C₂H4 (g) + 2CL₂(g) → C₂H₂CL4 (L) + H₂(g) 1.…

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Q: Steady flow of 10kg and temperature of 200°C. If the heat dissipation from the alloy is 715.5kJ.…

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