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1. Work and Heat are Path Functions. bteam undergoes the following reversible process in a closed system. Step 1- 2: Starting at initial conditions P1 %3D 10 bar and tı = 400°C steam is heated to t2 = 550°C under constant pressure conditions. %3D Step 2 - 3: Under constant volume conditions, the pressure is decreased to P3 = 8 bar. The steam does not behave as an ideal gas. Steam properties are summarized below: D (m³/kg) Ū (kJ/kg). Ĥ (kJ/kg) State P(bar) t(°C) 3264.4 2957.8 1 10 400 0.3066 3588.1 2 0.3777 3210.4 10 550 3244.3 0.3777 2942.1 389 Calculate Q123 = Q12+ Q23 in (kJ/kg) a. b. Calculate W123 = W12+ W23 in (kJ/kg) Useful conversion 100 kJ/m³ ·bar

1. Work and Heat are Path Functions. bteam undergoes the following reversible process in a closed system. Step 1- 2: Starting at initial conditions P1 %3D 10 bar and tı = 400°C steam is heated to t2 = 550°C under constant pressure conditions. %3D Step 2 - 3: Under constant volume conditions, the pressure is decreased to P3 = 8 bar. The steam does not behave as an ideal gas. Steam properties are summarized below: D (m³/kg) Ū (kJ/kg). Ĥ (kJ/kg) State P(bar) t(°C) 3264.4 2957.8 1 10 400 0.3066 3588.1 2 0.3777 3210.4 10 550 3244.3 0.3777 2942.1 389 Calculate Q123 = Q12+ Q23 in (kJ/kg) a. b. Calculate W123 = W12+ W23 in (kJ/kg) Useful conversion 100 kJ/m³ ·bar

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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1. Work and Heat are Path Functions. bteam undergoes the following reversible process in a closed system. Step 1- 2: Starting at initial conditions P1 %3D 10 bar and tı = 400°C steam is heated to t2 = 550°C under constant pressure conditions. %3D Step 2 - 3: Under constant volume conditions, the pressure is decreased to P3 = 8 bar. The steam does not behave as an ideal gas. Steam properties are summarized below: D (m³/kg) Ū (kJ/kg). Ĥ (kJ/kg) State P(bar) t(°C) 3264.4 2957.8 1 10 400 0.3066 3588.1 2 0.3777 3210.4 10 550 3244.3 0.3777 2942.1 389 Calculate Q123 = Q12+ Q23 in (kJ/kg) a. b. Calculate W123 = W12+ W23 in (kJ/kg) Useful conversion 100 kJ/m³ ·bar
Transcribed Image Text:1. Work and Heat are Path Functions. bteam undergoes the following reversible process in a closed system. Step 1- 2: Starting at initial conditions P1 %3D 10 bar and tı = 400°C steam is heated to t2 = 550°C under constant pressure conditions. %3D Step 2 - 3: Under constant volume conditions, the pressure is decreased to P3 = 8 bar. The steam does not behave as an ideal gas. Steam properties are summarized below: D (m³/kg) Ū (kJ/kg). Ĥ (kJ/kg) State P(bar) t(°C) 3264.4 2957.8 1 10 400 0.3066 3588.1 2 0.3777 3210.4 10 550 3244.3 0.3777 2942.1 389 Calculate Q123 = Q12+ Q23 in (kJ/kg) a. b. Calculate W123 = W12+ W23 in (kJ/kg) Useful conversion 100 kJ/m³ ·bar
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