SG AĤm(Tm) bi AĤv (Tb)d,i (AĤ°).i (AĤ°)hi Compound Formula Mol. Wt. (20°/4°) Tm(°C)ª kJ/mol Tb (°C)° kJ/mol T.(K) P.(atm) kJ/mol kJ/mol Ammonium sulfate (NH4)2SO4 132.14 1.769 513 Decomposes at 513°C -1179.3(c) after melting -1173.1(aq) T₁ = 10°C = 283.15k T₂ = 40C = in = 100kg J Ср = 215.9 (assume const T) kg − k - 313.15K AH = L dT = 6477kJ TABLE B.2 Heat Capacities 283.15K 100kg (215 kk)d kg.k Form 1: C₂[kJ/(mol·°C)] or [kJ/(mol·K)] = a + bT + cT² + dT³ Form 2: C[kJ/(mol·°C)] or [kJ/(mol·K)] = a + bT + cT-2 Example: (Cp)acetone(g) = 0.07196 + (20.10 x 10-5)T - (12.78 × 10-8)72 + (34.76 × 10-12)73, where T is in °C. Note: The formulas for gases are strictly applicable at pressures low enough for the ideal-gas equation of state to apply. Range Mol. Compound Formula Wt. State Form Temp. Unit a X 10³ bx 105 cx 108 d x 1012 Ammonium sulfate (NH4)2SO4 132.15 1 K 215.9 (Units of T) 275-328
SG AĤm(Tm) bi AĤv (Tb)d,i (AĤ°).i (AĤ°)hi Compound Formula Mol. Wt. (20°/4°) Tm(°C)ª kJ/mol Tb (°C)° kJ/mol T.(K) P.(atm) kJ/mol kJ/mol Ammonium sulfate (NH4)2SO4 132.14 1.769 513 Decomposes at 513°C -1179.3(c) after melting -1173.1(aq) T₁ = 10°C = 283.15k T₂ = 40C = in = 100kg J Ср = 215.9 (assume const T) kg − k - 313.15K AH = L dT = 6477kJ TABLE B.2 Heat Capacities 283.15K 100kg (215 kk)d kg.k Form 1: C₂[kJ/(mol·°C)] or [kJ/(mol·K)] = a + bT + cT² + dT³ Form 2: C[kJ/(mol·°C)] or [kJ/(mol·K)] = a + bT + cT-2 Example: (Cp)acetone(g) = 0.07196 + (20.10 x 10-5)T - (12.78 × 10-8)72 + (34.76 × 10-12)73, where T is in °C. Note: The formulas for gases are strictly applicable at pressures low enough for the ideal-gas equation of state to apply. Range Mol. Compound Formula Wt. State Form Temp. Unit a X 10³ bx 105 cx 108 d x 1012 Ammonium sulfate (NH4)2SO4 132.15 1 K 215.9 (Units of T) 275-328
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
Section: Chapter Questions
Problem 1.1P
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Calculate the change in enthalpy ΔH for 100 kg of material undergoing the following temperature and phase changes. Show your calculations in detail (including the integrations) type them out in word.
- Ammonium sulfate (crystalline) heated from 10 °C to 40 °
Heat Capacity, i think i did it wrong, i used the values on the bottom table, i think im supposed to use value from the top...
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