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No, not every collision between reacting particles will lead to products. In order for a chemical reaction to occur, the colliding particles must have sufficient energy to overcome the activation energy barrier. If the collision does not have enough energy, the particles will simply bounce off each other without forming products.
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What are the TWO characteristics of an effective collision?
An effective collision must have sufficient energy and correct orientation between reacting particles to result in a successful reaction.
What is the difference between an effective collision and ineffective collision of reactant particles?
An effective collision between reactant particles results in a chemical reaction, while an ineffective collision does not lead to a reaction because the particles do not have enough energy or correct orientation to break and form bonds. In an effective collision, reactant molecules collide with sufficient energy and in the correct orientation to overcome the activation energy barrier and form product molecules.
What are equations that include only particles that participate in a reaction?
Stoichiometry equations that involve reactants and products of a chemical reaction represent the conservation of mass and atoms in the reaction. These equations show the balanced relationship between the amounts of reacting substances and the products formed. They help determine the quantities of substances involved in a chemical reaction.
Will higher temperatures cause more collisions?
Higher temperatures can increase the kinetic energy of particles, leading to more frequent collisions between them. This is because particles move faster and with greater force at higher temperatures, increasing the chances of collision.
What is the difference between dissolving and reacting?
Dissolving is a physical process where a solute disperses uniformly in a solvent, without forming new substances. On the other hand, a reaction is a chemical process where reactants undergo a change in their chemical structure to form new products. Dissolving does not involve a chemical change, while reacting does.
What are the TWO characteristics of an effective collision?
An effective collision must have sufficient energy and correct orientation between reacting particles to result in a successful reaction.
Is the energy of collision between two reactant particles is frequently absorbed by collision with a third particle?
Yes, the energy of collision between two reactant particles can be absorbed by collision with a third particle. This process, known as collision-induced relaxation, can lead to the redistribution of energy among the molecules involved in the collision.
What is collision frequency?
Collision frequency refers to the rate of collisions between particles in a system or substance. It is influenced by factors such as the concentration of particles, temperature, and the nature of the particles themselves. A higher collision frequency typically indicates a more reactive system.
What is the difference between an effective collision and ineffective collision of reactant particles?
An effective collision between reactant particles results in a chemical reaction, while an ineffective collision does not lead to a reaction because the particles do not have enough energy or correct orientation to break and form bonds. In an effective collision, reactant molecules collide with sufficient energy and in the correct orientation to overcome the activation energy barrier and form product molecules.
What are 3 conditions required for a successful collision theory?
Three conditions required for a successful collision theory are: sufficient energy to overcome the activation energy barrier, proper orientation of colliding molecules, and effective collision frequency between reacting molecules.
How do catalysts affect collision theory?
Catalysts provide an alternative pathway with lower activation energy for the reaction to occur, resulting in more effective collisions between reactant molecules. This increases the frequency of successful collisions, thus speeding up the reaction rate according to collision theory.
A collision in which kinetic energy may be transferred between the colliding particles but the total kinetic energy remains the same?
An elastic collision is a type of collision where kinetic energy can be transferred between colliding particles, but the total kinetic energy of the system remains constant before and after the collision. This means that energy is conserved in the collision process. Elastic collisions are characterized by no energy loss due to deformation or heat generation during the collision.
Diffbetween collision and scattering?
Collision refers to a direct physical interaction between particles that leads to a change in their paths or states, such as when two particles collide and merge or bounce off each other. Scattering, on the other hand, refers to a process where particles are deflected or redirected from their original path due to interactions, but without a direct collision occurring, such as when light is scattered by particles in the atmosphere.
Why is it necessary for a collision between atomic particles to occur so a nuclear reaction may begin?
A collision between atomic particles is necessary to overcome the repulsion between their positively charged nuclei. When particles collide with enough energy, they can come close enough for the strong nuclear force to overcome the electrostatic repulsion, triggering a nuclear reaction. Without a collision, the forces involved are not strong enough to induce a reaction.
What happens to the motion of gas particles when temperature increases?
They start to move faster, therefore, the reaction will happen quicker. This is because there is more chance of a collision between the particles.
Does heat flow because of expansion or collision between particles in matter?
many many collisions at the atomic/molecular level
What is the transfer of heat through matter by the way of collision of molecules?
Conduction is the transfer of heat through matter by the way of collision of molecules. In solids, heat is transferred through direct contact between particles. The kinetic energy from faster-moving particles is transferred to slower-moving particles, causing temperature to equalize.
