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A generic rate of reaction equation is rate=k[A], where k is the rate constant, [A] is the concentration of some reactant A. Just looking at this, we see the rate will be influenced by the [A]. The more you have, the faster the rate, and vice versa. rates are "things" over time. So it also makes sense that time affects the the rate of a reaction. If the given reaction is endo- or exo- thermic, the temperature will also play a role in the rate of the reaction. If the reaction deals with gases, a higher temperature will increase the average molecular velocity, increasing the energy of the particles (collision theory) and increasing the rate of reaction. Pressure is yet another influence, especially when dealing with gases. A higher pressure means more molecules have a chance to react (to meet up with the other reactant(s)). And since pressure and volume go hand in hand, volume also plays a role.
Wiki User
∙ 15y ago
Wiki User
∙ 11y agoIt definitely depends on the reaction; however, generically speaking, concentration and temperature come into play as well as the presence of a catalyst.
Concentration of reactants and time; also: order of reaction, type of reaction, temperature, pressure, stirring, added catalyst, the type of solvent, surface area of reactants (if they are solids), effect of other physical factors as irradiation, etc.
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Which of these factors will not affect reaction rates?
The proper term for the phenomenon of reaction rates is known as chemical kinetics. Generally for any chemical reaction factors such as temperature, concentration, pressure, physical state, presence of a catalyst, and the reaction rate order. Reaction rate order is specific for each chemical reaction. So to sum it all up, if you influence the environment in a manner that does not change one of these listed variables, then it will not likely do anything to a reaction rate. But to be honest, I can't think of a single thing you could do to a reaction that wouldn't influence one or more of these parameters.
A factor which influences the reaction rate?
Concentration of reactants is one of the factors influencing the reaction rate. More the concentration, more will be the reaction rate.
What 4 factors increase a reaction rate?
4 factors that affect reaction rate are Temperature, Stirring, Concentration, and Pressure (only for gases).
How do changes in temperature and energy influence chemical changes?
The reaction rate is dependent on temperature (increasing the temperature the reaction rate increase) and activation energy.
Does enthalpy of reaction affect the rate of a reaction?
The enthalphy of a reaction does not influence the rate of reaction, it may however influence the rate of the reverse reaction, as we now would have a change in potential energy (for example an exothermic reaction requires more energy to go in the reverse then does an endothermic). This is why you can consider some products thermodynamically favourable - as they are the exothermic product which would require more energy to turn back towards reactants then to stay as products. Overall rate is not seen in the various rate law or rate of reaction equations utilised such as arrhenius temperature dependance or the rate law equation. Rate is indepedant of enthalpy WRT to forward reaction.
What are two of the four factors that can influence the rate of a reaction?
The concentration of the substances that react is one. The temperature is another.
Which of these factors will not affect reaction rates?
The proper term for the phenomenon of reaction rates is known as chemical kinetics. Generally for any chemical reaction factors such as temperature, concentration, pressure, physical state, presence of a catalyst, and the reaction rate order. Reaction rate order is specific for each chemical reaction. So to sum it all up, if you influence the environment in a manner that does not change one of these listed variables, then it will not likely do anything to a reaction rate. But to be honest, I can't think of a single thing you could do to a reaction that wouldn't influence one or more of these parameters.
What are the 5 important factors that influence the rate of a chemical reaction?
Temperature Surface area/phase of reactants Concentration of reactants Presence of catalyst Activation energy of reaction
A factor which influences the reaction rate?
Concentration of reactants is one of the factors influencing the reaction rate. More the concentration, more will be the reaction rate.
What 4 factors increase a reaction rate?
4 factors that affect reaction rate are Temperature, Stirring, Concentration, and Pressure (only for gases).
What factors can influence the mip rate of measuring performance?
Clock speed can influence the mip rate of measuring performance.
How does a isotopes affect the rate of a reaction?
This influence is practically zero.
What are the factors that influence the freight rate?
The factors influencing the freight rate are more complex..made and logistics cost
What factors influence freight rate in transport?
how freight rate affect supply of transport
What are the factors affecting the rates of chemical reaction in pollution?
The factors that affect in the rate of chemical reaction are temperature and YOU XD HAHAHAHAHAHAHAHA jk
What is a change that affects chemical reaction rate?
Factors affecting the reaction rate:- Concentrations of the reactants- Temperature- Pressure- Sirring- Catalysts- Granulometry (and the surface area) of the reactants- Reaction order- Type of the reaction- The solvent used- External factors as irradiationetc.
How do changes in temperature and energy influence chemical changes?
The reaction rate is dependent on temperature (increasing the temperature the reaction rate increase) and activation energy.
