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4 factors that affect reaction rate are Temperature, Stirring, Concentration, and Pressure (only for gases).
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What factors change the rate of chemical reaction?
Adding a catalyst to the process will make the chemical reaction go faster. Also, the temperation, concentration, state of matter and pressure will affect the rate of the chemical reaction.
What other two ways of increasing rates of reaction?
There are 4 ways to speed up rate of reactionTemperature - if you increase this then ther will be more molecules with sufficient energy to reach 'over' the activation energy barrierConcentration - there are more molecules, so more collisionsCatalyst (or enzyme in bio-organic reactions) - this is a substance that speeds up the rate of reaction as it lowers the activation energy reaction 'barrier', meaning more collisions will be succesfulSurface Area - if one of the reactants is a solid then breaking it up it into smaller pieces will increase surface area at which more molecules can collide to react.It's all based on the collision theory.
Effect of ionic strength on rate of reaction?
The rate of reaction basically depends on the product of charges of ions present in a solution. Since the compounds dissociate in a solution and forms cations and anions, so their product matters a lot. If the product of charges is positive ( i.e. one ion is +1 and other is +4 = +4 ), then the rate of reaction will increase automatically, higher the product faster will be the rate. Similarly, if the product of ions present in a solution is negative ( i.e. one ion is +1 and other is -3 = -3) then the rate of reaction will decrease. For those reactions in which neutral species are present and for which the product of charges will be zero, there will be no effect on the rate of reaction.
What are 4 things that can affect the rate of a reaction?
1. Temperature: Depending on the temperature of the reactants, the reaction rate will differ. The higher the temperature (or the hotter the reactant is), the quicker the reaction will occur. The cooler the reactant is, the longer it will take for a reaction to take place. The heat causes the particles to move quickly, and due to the Collision Theory, which states that in order for a reaction to occur, molecules must collide, the particles will be more likely to bump into each other, and so the reaction will occur faster.2. Concentration: The higher the concentration of a reactant, the quicker the reaction will occur. This means that there are more particles of that particular substance, meaning it will collide more frequently into the particles of the other reactant. This increases the reactant rate because the more concentrated a reactant is, it means that the less space there is between the two reactants.3. Surface Area: Basically, the more particles that are exposed during the experiment, the faster the reaction will occur. The more the particles are exposed, the faster it is for the other reactant to collide into the particles, meaning the reaction rate will increase.4. Catalysts: Catalysts are substances that increase the rate of reaction by speeding up the reaction without being used up in the reaction. It does not affect the reactants in any other way than making them collide into each other more frequently, and it doesn't affect the product (or products) produced
Describe the factors which affect chemical reaction rates?
The factors that change the reaction rates of chemical reactions are: 1)temperature 2)concentration 3)pressure 4)physical state 5)a catalyst
What factors change the rate of chemical reaction?
Adding a catalyst to the process will make the chemical reaction go faster. Also, the temperation, concentration, state of matter and pressure will affect the rate of the chemical reaction.
What factors control the rate of the reaction?
the main factors that control the rate of the reaction are: 1. The nature of the reactants. 2. The surface are exposed. 3. The concentrations 4. The temperature 5. Presence of a catalyst. 6. Presence of an inhibitor.
What would happen to the rate of a reaction with rate law rate kNO2H2 if the concentration of NO were double?
The rate would quadruple (increase by a factor of 4). This is because the rate depends on the SQUARE of the concentration of NO.
Increased temperature will increase what?
It depends on experiment or observations it may increase, 1- kinetic energy of molecules, 2- number of collisions among molecules per unit time, 3- solubility of a substance in water, 4- rate of evaporation of a liquid, 5-rate of a reaction and several other factors.
What factor does affect the most rate of reaction?
Factors affecting the rate of reaction 1. Temperature 2. Catalyst 3. Concentrations of the reactants 4. Nature of the reactants 5. Surface area of the reactants
4 What happens when you increase the surface area of reactants in a reaction?
In general increasing surface area will increase the rate of a reaction by allowing more sites for the reaction to take place. However it is hard to answer this question without knowing the specific material in question.
What other two ways of increasing rates of reaction?
There are 4 ways to speed up rate of reactionTemperature - if you increase this then ther will be more molecules with sufficient energy to reach 'over' the activation energy barrierConcentration - there are more molecules, so more collisionsCatalyst (or enzyme in bio-organic reactions) - this is a substance that speeds up the rate of reaction as it lowers the activation energy reaction 'barrier', meaning more collisions will be succesfulSurface Area - if one of the reactants is a solid then breaking it up it into smaller pieces will increase surface area at which more molecules can collide to react.It's all based on the collision theory.
Effect of ionic strength on rate of reaction?
The rate of reaction basically depends on the product of charges of ions present in a solution. Since the compounds dissociate in a solution and forms cations and anions, so their product matters a lot. If the product of charges is positive ( i.e. one ion is +1 and other is +4 = +4 ), then the rate of reaction will increase automatically, higher the product faster will be the rate. Similarly, if the product of ions present in a solution is negative ( i.e. one ion is +1 and other is -3 = -3) then the rate of reaction will decrease. For those reactions in which neutral species are present and for which the product of charges will be zero, there will be no effect on the rate of reaction.
What are the factors affecting rate of reactoin?
There are 4 factors affecting rate: - Surface area -Temperature - Catalysts -Concentration If the surface area is increased the reaction rate will increase due to more particles being exposed to the reacting chemical, the more particles colliding the quicker the reaction will happen. Temperature causes particles to speed up or slow down, for example in a gas particles are moving very quickly, and therefore they collide more often, this would mean that a reaction would happen quickly since reaction depends on the amount of collisions as well as the strength of collisions. Catalysts are added substances into reactions which only help to speed up the reaction, they are not changed in the reaction and remain the same after the reaction has occurred. If concentration is increased more particles are given the chance to collide, so once again, with more collisions the more quickly a reaction occurs.
What is the rate of natural increase in France?
.4
What ar five factors that affect the rate of a chemical reaction?
The rate of a Chemical reaction is affected by a number of factors, here are the commonly taught "Five factors of reaction rates":1-Nature of the Reactants (Based on the atomic structure, ie. the stability of the reactants vs. the stability of the proposed products)2-Ability of the Reactants to meet ( the state of the reactants: gases and liquids are more likely to react, AND the Surface area: powders have a greater surface area and therefore react quickly)3- Concentration of the Reactants (the higher the concentration, the more likely the reactants are able to meet and react, thus increasing the reaction rate)4- Temperature (the higher the temperature of the system, the faster the particles are moving (Kinetic Molecular Theory) and the faster they will collide, thus increasing the reaction rate)5- Presence of Catalysts (Catalysts increase the reaction rate by overcoming the activation energy. They work by decreasing the reaction barrier of the Rate determining step, which is the slowest step of a chemical reaction)Of course, there are other factors which affect the reaction rate of a given system, but these are the 5 commonly cited ones they teach you in high school. If you're interested, I'd suggest reading about Collision Theory and Transition State Theory.huifhyiusdyhtrfu0er8ut09o79retgvkghvvyhogiyhvoufysyo8yiySurface areaconcentrationcatalyststemperatureinhibitors
What are things that decrease a reaction rate?
Some factors are: low temperature, low pressure, low concentration of reactants, no stirring, coarse particles, etc.
