# Tag Info

### Confused about underlying reasoning behind reaction quotient/equilibrium constant

The quotient can take on many values, initially suppose that no product is present then its value is zero. Only at equilibrium do we normally know its value, which is the equilibrium constant, unless ...
• 28.2k

### Kinetics of Sabatier reaction

So you need three things: Partial pressures of species. Amount of catalyst. Reactor volume. We will design a PBR in order to calculate the mass of catalyst $W$ needed to achieve a certain ...
• 191

### Confused about underlying reasoning behind reaction quotient/equilibrium constant

Q is a fraction which, like every fraction, could be defined as A/B. If A > B, Q = A/B is > 1 and the numerator, depending on the final products, is bigger than the denominator, depending on the ...
• 25k
Accepted

### Concentration dependence of electron transfer

Yes, the current density is "doubly" dependent on the concentration, in the following sense that you have written: $C_O(0,t)$ and $C_R(0,t)$ appear in $E^{eq}$ within the overpotential ...
• 191
1 vote

### Derivation of Flory's Model for Linear Condensation of Polymers

Given $\Pi_{x}$= $𝑥*𝑝^{𝑥−1}$ *$(1−𝑝)^2$ $\partial$ refers to partial differentiation. $\frac{\partial \Pi_{x}}{\partial x}$ means differentiating $\Pi_{x}$ with respect to x. Therefore $(1−𝑝)^2$ ...
1 vote
Accepted

### Solving for Partial Pressure given first-order decomposition

The first thing OP has tried was the correct step, by finding the concentration of cyclobutane using the first-order rate law: $$\mathrm [A]_t = [A]_0 e^{-kt}$$ where $\mathrm [A]_t = [\ce{C4H8}]_t$ ...
• 38.1k

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