Thermodynamics Data: KNO3(s) | C(s) -492.83 CO2(g) N2(g) K2S(s) Compound A;H° (kJ mol·1) Cp (J mol·1 K-1) S(s) -393.51 -419 30.53+0.01299T 27.2+0.00418T 96.3 11.89+0.01087T 31.0 75.0 Black powder is a mixture of potassium nitrate, sulfur and carbon. When there is an explosion, the following reaction takes place: 2. KNO3 +1s +½c→1 K2s + 2. co2+ -> N2 3- This reaction takes place at 650°C. One wishes to know if this reaction can be auto- entertained, i.e. if the heat produced by the reaction is enough to bring the reactants from 25°C to 650°C. 3.a- Calculate the standard enthalpy at 650°C.
Thermodynamics Data: KNO3(s) | C(s) -492.83 CO2(g) N2(g) K2S(s) Compound A;H° (kJ mol·1) Cp (J mol·1 K-1) S(s) -393.51 -419 30.53+0.01299T 27.2+0.00418T 96.3 11.89+0.01087T 31.0 75.0 Black powder is a mixture of potassium nitrate, sulfur and carbon. When there is an explosion, the following reaction takes place: 2. KNO3 +1s +½c→1 K2s + 2. co2+ -> N2 3- This reaction takes place at 650°C. One wishes to know if this reaction can be auto- entertained, i.e. if the heat produced by the reaction is enough to bring the reactants from 25°C to 650°C. 3.a- Calculate the standard enthalpy at 650°C.
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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Transcribed Image Text:Thermodynamics
Data:
CO2(g)
N2(g)
KNO3(s) | C(s)
K2S(s)
Compound
A;H° (kJ mol-1)
Cp (J mol·1 K-1)
S(s)
-393.51
-492.83
-419
30.53+0.01299T | 27.2+0.00418T
96.3
11.89+0.01087T
31.0
75.0
Black powder is a mixture of potassium nitrate, sulfur and carbon. When there is an explosion,
the following reaction takes place:
2. KNO3 +1s +3c →1. K2S + 3 co2 + L N2
3- This reaction takes place at 650°C. One wishes to know if this reaction can be auto-
entertained, i.e. if the heat produced by the reaction is enough to bring the reactants from
25°C to 650°C.
3.a- Calculate the standard enthalpy at 650°C.
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