This value is identical to that reported for the enthalpy of combustion for the bacteria E. coli and M. methylophilus. Using an average value for the standard entropy of formation of cell mass gave a Gibbs energy for the growth reaction of + 57 kJ equiv− 1. This figure is ...
Change of reaction entropy ΔS0=S0H2O−S0H2–12S0O2 =69.91−130.684−12·205.138JmolK =188.83−130.68−12·205.14JmolK = −163.34 J mol−1 K−1 = −44.42 J mol−1 K−1 Temperature dependence of the cell voltage dEdT=ΔS0zF=−0.85mVK dEdT=−0.23mVK Pr...
1. Calculate the standard entropy Delta Srxn of the following reaction at 25 degrees C. The standard enthalpy reaction, Delta Hrxn, is -44 kJ mol-1. C2H4(g) + H2O(l) arrow C2H5OH(l) 2. Then, calculate Calculate the standard enthalpy change...
What is the entropy change in the system during the freezing of a substance if the following data is given: the molar heat capacity of the liquid state, Cp,m(l), is 75.3 J/Kmol; the molar heat capacity of the solid state, Cp,m(s), ...
标准摩尔反应熵standardmolarreactionentropy概念及术语 BET 1938年布鲁瑙尔(Brunauer)、埃米特(Emmett)和特勒(Teller)三人在兰格缪尔单分子层吸附理论的基础上提出多分子层吸附理论。该理论与兰格缪尔理论的主要不同之处是吸附在固体表面的分子存在着范德华力仍可吸附其它分子,即形成多分子层吸附。在吸附过程中不一定待第...
14.The determining factors of the rate ratio come from the joint contribution of the activation enthalpy and activation entropy.活化熵对反应速率常数比值的贡献是不可忽略的. 15.Compressed Oxygen in Drug Stability Experiments and Evaluation of Antioxidants Using Oxidation Reaction Rate Constants;药物对氧稳...
(AO4)6X2 apatites (phosphate, arsenate, and vanadate with different Me2+ and X −), such as the standard enthalpy of formation from elements ΔH°f,el, the standard entropy S°298.15K, the specific heat capacity C°p,m, the molar volume Vm, and the solubility constant Ksp,...
1. Calculate the standard entropy, Delta S rxn, of the following reaction at 25.0 degrees C. The standard enthalpy of the reaction, Delta H rxn, is -44.2 kJ mol^-1. C_2H_4(g) + H_2O(l) rightarrow C_2H Calcu...
In this paper, the standard entropy, heat capacity at constant pressure, standard enthalpy and standard Gibbs free energy of formation are estimated by app... Y Yun,X Gang,S Ning,... - 《Advanced Materials Research》 被引量: 7发表: 2011年 Comparison of the low-temperature specific heat of...
Which species should possess the lowest standard entropy (s)? a) CH4(g)b) CO2(s)c) NH3(l)d) H2O(l)e) Ar(g) Entropy: It is the measurement of the randomness of the molecules in a system and the system in which molecules are arranged randomly will...