thermodynamics Calculate how much energy (kJ) is required to heat a liter of water from30°C to saturated liquid at normal boiling point.Using specific heat, calculate the change in internal energy (kJ) when400 kmol of water at 150°C (1bar) is cooled at constant pressure until itreaches its saturated vapor condition and compare with valuecalculated from steam table.10kg of water at 100 bar and 350°C is cooled at constant pressure in apiston cylinder system until its specific volume reaches 0.00112 m/kg.a) Draw the process on a Pv diagramb) Using steam table, find the final T (°C), AU and AH (kJ).b) Using equations, calculate AU(kJ)c) Calculate boundary work (kJ).d) Do energy balance to find Qnet (kJ)?e) What is the final volume (m³) of the system?

Given Temperature, T1 = 30oC T2 = 100oC Note : As per our…

Answered: Calculate how much energy (kJ) is…

Calculate how much energy (kJ) is required to heat a liter of water from 30°C to saturated liquid at normal boiling point.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter8: Natural Convection

Section: Chapter Questions

Problem 8.3P

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Concept explainers

Basic Thermodynamic Processes

The word 'thermodynamics' can be divided into two words, 'thermo' and 'dynamics'. The word thermo deals with the heat and thermal phenomenon, whereas dynamics deals with forces or external agent that drives the heat flow or aids in the motion of heat.

Question

thermodynamics

Calculate how much energy (kJ) is required to heat a liter of water from
30°C to saturated liquid at normal boiling point.
Using specific heat, calculate the change in internal energy (kJ) when
400 kmol of water at 150°C (1bar) is cooled at constant pressure until it
reaches its saturated vapor condition and compare with value
calculated from steam table.
10kg of water at 100 bar and 350°C is cooled at constant pressure in a
piston cylinder system until its specific volume reaches 0.00112 m/kg.
a) Draw the process on a Pv diagram
b) Using steam table, find the final T (°C), AU and AH (kJ).
b) Using equations, calculate AU(kJ)
c) Calculate boundary work (kJ).
d) Do energy balance to find Qnet (kJ)?
e) What is the final volume (m³) of the system?

Science that deals with the amount of energy transferred from one equilibrium state to another equilibrium state.

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