Coefficient stoichiometric —.

V is the stoichiometric coefficient of species r in the reaction, a differential mass balance on this substance gives... [Pg.80]

Let us compare computations of the effectiveness factor, using each of the three approximations we have described, with exact values from the complete dusty gas model. The calculations are performed for a first order reaction of the form A lOB in a spherical pellet. The stoichiometric coefficient 10 for the product is unrealistically large, but is chosen to emphasize any differences between the different approaches. [Pg.137]

Stoichiometric coefficients. 111 Stoichiometric relations between fluxes t... [Pg.196]

Exact numbers, such as the stoichiometric coefficients in a chemical formula or reaction, and unit conversion factors, have an infinite number of significant figures. A mole of CaCb, for example, contains exactly two moles of chloride and one mole of calcium. In the equality... [Pg.14]

Consider, for example, the general equilibrium reaction shown in equation 6.1, involving the solutes A, B, C, and D, with stoichiometric coefficients a, b, c, and d. [Pg.137]

A plot of AEi/2 versus log [F], therefore, gives a straight line. The slope of the line is used to determine the stoichiometric coefficient, p, and the y-intercept gives the value for the formation constant [3. ... [Pg.529]

The stoichiometric coefficients for the zinc half-reaction are multiplied by 3 so that both half-reactions involve 6 electrons. [Pg.749]

Rates determined by monitoring different species in a chemical reaction need not have the same value. The rate R in equation A5.2 and the rate R in equation A5.3 will have the same value only if the stoichiometric coefficients of A and C in reaction A5.1 are the same. In general, the relationship between the rates R and R is... [Pg.751]

R is rate of reaction per unit area, a is interfacial area per unit volume, S is solubiHty of solute in continuous phase, D is diffusivity of solute, k is rate constant, kj is mass-transfer coefficient, is concentration of reactive species, and Z is stoichiometric coefficient. When Dk is considerably greater (10 times) than Ra = aS Dk. [Pg.430]

The exponents (p, q,. . . ) are empirical, but they are identical with the stoichiometric coefficients (v, Vi, V, . . . ) when the stoichiometric equation truly represents the mechanism of reaction. The first group of exponents identifies the oi der of the reaction, the stoichiometric coefficients the molecularity. [Pg.685]

Xi = mole fraction of component i in the liquid phase yi = mole fraction of component i in the vapor phase Vi = stoichiometric coefficient of component i (negative for reactants, positive for products)... [Pg.1320]

The quantities Vj and are the stoichiometric coefficients for the fuel cell reaction, and andare the fugacities of fuel and oxygen in their respective streams. [Pg.2410]

In a recycle reactor (RR), the conservation statement is that everything produced per pass must be removed, and everything consumed per pass must be supplied by the recycle flow. (See Figure 1.6.1.) The measured rate is r , whatever causes it to be the given value. Here C is the concentration of the reactant and thus, the stoichiometric coefficient a=-l. [Pg.74]

If the magnitude of the stoichiometric coefficient of a reactant exceeds the order of the reaction with respect to that species, there are one or more intermediates and reactions after the ratedetermining step. Before applying this rule, the stoichiometric equation must be formulated for the reaction such that all coefficients are integers. [Pg.33]

INITIAL TEMPERATURE OF THE REACTION, K FINAL TEMPERATURE OF THE REACTION, K STOICHIOMETRIC COEFFICIENT OF COMPONENT 1 STOICHIOMETRIC COEFFICIENT OF COMPONENT 2 STOICHIOMETRIC COEFFICIENT OF COMPONENT 3 STOICHIOMETRIC COEFFICIENT OF COMPONENT 4 ... [Pg.90]

Assuming a constant volume batch system, from the stoichiometric coefficients of Equation 5-22... [Pg.270]

Ca concentration of key reactant species with stoichiometric coefficient, mol/m ... [Pg.1082]

The equilibrium constant of a reaction is the product of compositions of reactants and products each raised to its stoichiometric coefficient. Hence, for the reaction described by Eq. (8.2) one may write... [Pg.194]

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