General

How do you find the rate of reaction between two reactants?

How do you find the rate of reaction between two reactants?

Key Takeaways

  1. Reaction rate is calculated using the formula rate = Δ[C]/Δt, where Δ[C] is the change in product concentration during time period Δt.
  2. The rate of reaction can be observed by watching the disappearance of a reactant or the appearance of a product over time.

Is it possible to predict a chemical reaction?

Human chemists possess a remarkable ability to make reasonable predictions about the outcome of reactions. These predictions are of course based on an underlying physical understanding, but they are certainly not based on in-depth numerical calculations.

Who proposed transition theory?

This theory was developed simultaneously in 1935 by Henry Eyring, then at Princeton University, and by Meredith Gwynne Evans and Michael Polanyi of the University of Manchester. TST is also referred to as “activated-complex theory”, “absolute-rate theory”, and “theory of absolute reaction rates”.

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What is rate of reaction formula?

The rate could be expressed in the following alternative ways: d[Z]/dt, –d[A]/dt, –d[B]/dt, dz/dt, −da/dt, −db/dt where t is the time, [A], [B], and [Z] are the concentrations of the substances, and a, b, and z are their amounts. Note that these six expressions are all different from one another but are simply related.

How do you predict the states of a chemical reaction?

The state of matter of each compound or molecule is indicated in subscript next to the compound by an abbreviation in parentheses. For example, a compound in the gas state would be indicated by (g), solid (s), liquid (l), and aqueous (aq).

Is it possible to predict the products of a chemical reaction?

The short answer is NO. There is no single complete theory that is able to predict what products will result from combining a number of reactants. Note that the products of a chemical reaction are not only a function of the reactants, but also of temperature, pressure, catalyst present and several other factors.

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How big is the reaction space of a chemical reaction?

Our reaction space is up to $24 imes 10^{24}$, a bewildering number of combinations. And this space does not include other variables, like time, temperature, irradiation, agitation, concentration, pressure, control of environment, etc.

Does every substance have characteristic reactivity behavior?

In theory, yes! Every substance has characteristic reactivity behavior. Likewise pairs and sets of substances have characteristic behavior. For example, the following combinations of substances only have one likely outcome each: