- 12.1P: What is the difference between the classical and the statistical ap...
- 12.2P: Consider a function z(x, y) and its partial derivative (dz/dy)x. Un...
- 12.3P: Consider a function z(x, y) and its partial derivative (?z/?y)x. If...
- 12.4P: Consider the function z(x, y), its partial derivatives (?z/?x)yand ...
- 12.5P: Consider air at 350 K and 0.75 m3/kg. Using Eq. 12–3, determine the...
- 12.6P: Repeat 12–5 for helium. 12–5Consider air at 350 K and 0.75 m3/kg. U...
- 12.7P: Nitrogen gas at 400 K and 300 kPa behaves as an ideal gas. Estimate...
- 12.8P: Nitrogen gas at 800 R and 50 psia behaves as an ideal gas. Estimate...
- 12.9P: Consider an ideal gas at 300 K and 100 kPa. As a result of some dis...
- 12.10P: Using the equation of state P(V? a) = RT, verify (a) the cyclic rel...
- 12.11P: Derive a relation for the slope of the V = constant lines on a T-Pd...
- 12.12P: Verify the validity of the last Maxwell relation (Eq. 12–19) for re...
- 12.14P: Verify the validity of the last Maxwell relation (Eq. 12–19) for st...
- 12.15P: Using the Maxwell relations, determine a relation for (?s/?P)T for ...
- 12.16P: Using the Maxwell relations, determine a relation for (?s/?v)T for ...
- 12.17P: Using the Maxwell relations and the ideal-gas equation of state, de...
- 12.18P: Prove that
- 12.19P: What is the value of the Clapeyron equation in thermodynamics?
- 12.20P: Does the Clapeyron equation involve any approximations, or is it ex...
- 12.21P: Using the Clapeyron equation, estimate the enthalpy of vaporization...
- 12.23P: Using the Clapeyron equation, estimate the enthalpy of vaporization...
- 12.24P: Determine the hfgof refrigerant-134a at 10°F on the basis of (a) th...
- 12.25P: 0.5-lbm of a saturated vapor is converted to a saturated liquid by ...
- 12.26P: Estimate the saturation pressure Psat of the substance in Prob. 12–...
- 12.27P: Estimate the sfgof the substance in 12–27E atl5°F.
- 12.28P: A table of properties for methyl chloride lists the saturation pres...
- 12.29P: Using the Clapeyron-Clausius equation and the triple- point data of...
- 12.30P: Show that .
- 12.31P: Can the variation of specific heat cp with pressure at a given temp...
- 12.32P: Estimate the volume expansivity ? and the isothermal compressibilit...
- 12.33P: Estimate the specific heat difference cp – cv for liquid water at 1...
- 12.34P: Determine the change in the internal energy of air, in kJ/kg, as it...
- 12.35P: Determine the change in the enthalpy of air, in kJ/kg, as it underg...
- 12.36P: Determine the change in the entropy of air, in kJ/kg, as it undergo...
- 12.37P: Determine the change in the internal energy of/helium, in kJ/kg, as...
- 12.38P: Determine the change in the enthalpy of helium, in kJ/kg, as it und...
- 12.39P: Determine the change in the entropy of helium, in kJ/kg, as it unde...
- 12.40P: Derive expressions for (a) ?u, (b) ?h, and (c) ?sfor a gas whose eq...
- 12.41P: Derive expressions for (a) ?u, (b) ?h, and (c) ?s for a gas that ob...
- 12.42P: Derive an expression for the specific heat difference cp – cv for (...
- 12.43P: Show that
- 12.44P: Temperature may alternatively be defined as Prove that this definit...
- 12.45P: Derive a relation for the volume expansivity ? and the isothermal c...
- 12.46P: Derive an expression for the isothermal compressibility of a substa...
- 12.47P: Derive an expression for the volume expansivity of a substance whos...
- 12.48P: Show that ? = ?(?P/?T)V.
- 12.49P: Demonstrate that
- 12.50P: The Helmholtz function of a substance has the form where T0 and V0 ...
- 12.51P: Show that the enthalpy of an ideal gas is a function of temperature...
- 12.52P: What does the Joule-Thomson coefficient represent?
- 12.53P: Describe the inversion line and the maximum inversion temperature.
- 12.54P: The pressure of a fluid always decreases during an adiabatic thrott...
- 12.55P: Does the Joule-Thomson coefficient of a substance change with tempe...
- 12.56P: Will the temperature of helium change if it is throttled adiabatica...
- 12.57P: Estimate the Joule-Thomson coefficient of nitrogen at (a)120 psia a...
- 12.58P: Reconsider Prob. 12–60E. Using EES (or other) software, plot the Jo...
- 12.59P: Steam is throttled slightly from 2 MPa and 500°C. Will the temperat...
- 12.60P: Estimate the Joule-Thomson coefficient of steam at (a) 3 MPa and 30...
- 12.61P: Estimate the Joule-Thomson-coefficient of refriger-ant-134a at 40 p...
- 12.62P: Demonstrate that the Joule-Thomson coefficient is given by
- 12.63P: Consider a gas whose equation of state is P(V – a) = RT, where a is...
- 12.64P: Derive a relation for the Joule-Thomson coefficient and the inversi...
- 12.65P: On the generalized enthalpy departure chart, the normalized enthalp...
- 12.66P: Why is the generalized enthalpy departure chart prepared by using P...
- 12.67P: Determine the enthalpy of nitrogen, in kJ/kg, at 175 K and 8 MPa us...
- 12.68P: Determine the enthalpy of nitrogen, in Btu/lbm, at 400 R and 2000 p...
- 12.69P: Determine the enthalpy change and the entropy change of CO2 per uni...
- 12.70P: Saturated water vapor at 400°F is expanded while its pressure is ke...
- 12.71P: Water vapor at 1000 kPa and 600°C is expanded to 500 kPa and 400°C....
- 12.72P: Methane is compressed adiabatically by a steady-flow compressor fro...
- 12.73P: Carbon dioxide enters an adiabatic nozzle at 8 MPa and 450 K with a...
- 12.75P: Oxygen is adiabatically and reversibly expanded in a nozzle from 20...
- 12.76P: Propane is compressed isothermally by a piston-cylinder device from...
- 12.78P: Determine the exergy destruction associated with the process descri...
- 12.79P: A 0.05-m3 well-insulated rigid tank contains oxygen at 175 K and 6 ...
- 12.80P: Derive relations for (a) ?u, (b) ?h, and (c) ?s of a gas that obeys...
- 12.81P: Starting with the relation dh = T ds + V dP, show that the slope of...
- 12.82P: Show that
- 12.83P: Temperature and pressure may be defined as Using these definitions,...
- 12.84P: For ideal gases, the development of the constant-pressure specific ...
- 12.85P: Starting with ?JT = (l/cp) [T(?V/?T)p ? V] and noting that PV = ZRT...
- 12.86P: For a homogeneous (single-phase) simple pure substance, the pressur...
- 12.87P: Repeat Prob. 12–86 for an isobaric process. 12–86For a homogeneous ...
- 12.88P: Consider an infinitesimal reversible adiabatic compression or expan...
- 12.89P: Estimate the cpof nitrogen at 300 kPa and 400 K, using (a) the rela...
- 12.90P: Steam is throttled from 2.5 MPa and 400°C to 1.2 MPa. Estimate the ...
- 12.91P: The volume expansivity ? values of copper at 300 K and 500 K are 49...
- 12.92P: An adiabatic 0.2-m3 storage tank that is initially evacuated is con...
- 12.93P: Argon gas enters a turbine at 1000 psia and 1000 R with a velocity ...
- 12.94P: Methane is to be adiabatically and reversibly compressed from 50 ps...
- 12.96P: A rigid tank contains 1.2 m3 of argon at –100°C and 1 MPa. Heat is ...
- 12.98P: Methane at 50 psia and 100°F is compressed in a steady-flow device ...
- 12.99P: Determine the second-law efficiency of the compression process desc...
- 12.100P: A substance whose Joule-Thomson coefficient is negative is throttle...
- 12.101P: Consider the liquid–vapor saturation curve of a pure substance on t...
- 12.102P: Based on the generalized charts, the error involved in the enthalpy...
- 12.103P: Based on data from the refrigerant-134a tables, the Joule-Thompson ...
- 12.104P: For a gas whose equation of state is P(V ? b) = RT, the specified h...

# Solutions for Chapter 12: Thermodynamics: An Engineering Approach 8th Edition

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ISBN: 9780073398174

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