| The minimum amount of energy required for a chemical reaction to occur. | Activation Energy. |
| What is the term for the minimum energy needed for a chemical reaction to take place? | Activation energy. |
| The speed at which a chemical reaction occurs. | Rates of Reaction |
| How is the speed of a chemical reaction characterized? | The speed of a chemical reaction is known as the rate of reaction. |
| The substances that undergo a chemical reaction. | Reactant Particles. |
| What are the substances involved in a chemical reaction called? | Reactant particles. |
| Instances where reactant particles come into contact. | Collisions. |
| What is it called when reactant particles come into contact with each other? | Collisions. |
| The number of collisions occurring per unit of time. | Frequency of Collisions |
| What does the term "frequency of collisions" refer to in the context of a chemical reaction? | It denotes the number of collisions happening per unit of time. |
| The amount of energy carried by colliding reactant particles. | Energy of Collisions |
| What does the term "energy of collisions" represent in a chemical reaction? | It signifies the amount of energy carried by reactant particles when they collide. |
| Rates of reaction increase when the frequency and/or energy of collisions between reactant particles increases. | Relationship Between Collision Characteristics and Rates of Reaction |
| How does the frequency and energy of collisions impact the rate of a chemical reaction? | Rates of reaction increase when the frequency and/or energy of collisions between reactant particles increases. |
| Conditions or variables that can influence the speed at which a chemical reaction proceeds. | Factors Affecting Rate of Reaction. |
| What are the conditions or variables that can influence the speed of a chemical reaction known as? | Factors affecting the rate of reaction. |
| The degree of hotness or coldness of a substance, which can significantly impact the rate of a chemical reaction. | Temperature. |
| Which factor can affect the rate of a chemical reaction by altering the degree of hotness or coldness? | Temperature. |
| The ratio of the surface area of a solid reactant to its volume, influencing the rate of reaction. | Surface Area to Volume Ratio |
| What is the surface area to volume ratio of a solid reactant a factor of? | It is a factor influencing the rate of reaction. |
| The amount of a substance present in a given volume, affecting the rate of reaction. | Concentration. |
| What factor is influenced by the amount of a substance in a given volume? | Concentration. |
| The force applied over an area, impacting the rate of reaction in gaseous systems. | Pressure. |
| In gaseous systems, what factor can influence the rate of reaction by the force applied over an area? | Pressure. |
| Different factors, such as temperature, surface area to volume ratio, concentration, and pressure, can affect the rate of a chemical reaction. | Relationship Between Factors and Rate of Reaction |
| What is the relationship between factors like temperature, surface area to volume ratio, concentration, and pressure, and the rate of a chemical reaction? | These factors can affect the rate of a chemical reaction. |
| The relationship between the temperature of a reaction and its rate, where an increase in temperature generally leads to a higher rate of reaction. | Temperature and Rate of Reaction |
| How does an increase in temperature generally affect the rate of a chemical reaction? | It leads to a higher rate of reaction. |
| The energy of motion; when referring to particles, it indicates the energy associated with their movement. | Kinetic Energy. |
| What type of energy do particles gain when the temperature of a reaction increases? | Kinetic energy. |
| Instances where reactant particles come into contact with each other. | Collisions. |
| What happens to the frequency of collisions between reactant particles when the temperature of a reaction increases? | The frequency of collisions increases. |
| The relationship where an increase in the kinetic energy of particles, due to higher temperature, results in more frequent and energetic collisions. | Kinetic Energy and Collisions |
| How does an increase in kinetic energy, caused by higher temperature, influence collisions between reactant particles? | It leads to more frequent and energetic collisions. |
| The positive correlation indicating that as temperature rises, the rate of reaction tends to increase. | Relationship Between Temperature and Rate |
| What is the general relationship between the temperature of a reaction and its rate? | As temperature rises, the rate of reaction tends to increase. |
| The relationship between the surface area of solid reactants and the rate of reaction, where an increase in surface area generally leads to a higher rate of reaction. | Surface Area and Rate of Reaction |
| How does the surface area of solid reactants affect the rate of reaction? | An increase in surface area generally leads to a higher rate of reaction. |
| The process of breaking large pieces of solid into smaller pieces. | Crushing |
| What effect does crushing a solid have on its surface area? | It increases the surface area. |
| The ratio of the exposed surface area of an object to its volume. | Surface Area : Volume Ratio |
| Why do smaller pieces of a solid have a higher surface area : volume ratio than larger pieces? | Smaller pieces have the same volume and mass but more surface area than larger pieces. |
| The relationship where an increase in the surface area of solid reactants results in more surface area available for collisions with other reactant particles. | Collisions and Surface Area |
| How does an increase in surface area influence collisions between solid reactant particles and other reactant particles? | It provides more surface area for collisions, leading to more frequent collisions. |
| The positive correlation indicating that as the surface area of solid reactants increases, the rate of reaction tends to increase. | Relationship Between Surface Area and Rate |
| What is the general relationship between the surface area of solid reactants and the rate of reaction? | As the surface area increases, the rate of reaction tends to increase. |
| The relationship between the concentration of a solution and the rate of a chemical reaction, where an increase in concentration generally leads to a higher rate of reaction. | Concentration and Rate of Reaction |
| How does the concentration of a solution affect the rate of reaction? | An increase in concentration generally leads to a higher rate of reaction. |
| A homogeneous mixture of two or more substances, where one substance (the solute) is dissolved in another (the solvent). | Solution |
| In the context of chemical reactions, what does the term "solution" refer to? | A homogeneous mixture of substances where a solute is dissolved in a solvent. |
| The process of adding more solute to a solution or reducing the amount of solvent, leading to a higher concentration. | Concentration Increase |
| How does an increase in concentration affect the number of particles in a solution? | It increases the number of particles in the same amount of space. |
| The closeness of particles in a solution, influenced by concentration . | Particle Proximity |
| How does an increase in concentration affect the proximity of particles in a solution? | It causes the particles to be closer together. |
| The relationship where an increase in concentration results in more particles in proximity, leading to more frequent collisions and a higher rate of reaction. | Collisions and Concentration |
| Why does an increase in concentration lead to a higher rate of reaction? | It causes more frequent collisions between particles in the solution. |
| The relationship between the pressure of gases in a reaction and the rate of the chemical reaction, where an increase in pressure generally leads to a higher rate of reaction. | Pressure and Rate of Reaction |
| How does the pressure of gases affect the rate of a chemical reaction? | An increase in pressure generally leads to a higher rate of reaction. |
| The force exerted by a gas per unit area of the container walls, measured in units such as pascals (Pa) or atmospheres (atm). | Gas Pressure |
| What is gas pressure? | The force exerted by a gas per unit area of the container walls. |
| The number of collisions between reactant particles in a given time period. | Collision Frequency |
| In the context of a reaction involving gases, how does an increase in pressure affect collision frequency? | It increases the collision frequency. |
| The closeness of gas particles in a reaction, influenced by pressure. | Particle Proximity and Pressure |
| How does an increase in pressure affect the proximity of gas particles? | It causes the gas particles to be closer to each other. |
| The inverse relationship between the volume and pressure of a gas, described by Boyle's Law. | Volume and Pressure |
| What is Boyle's Law, and how does it relate to the pressure of gases? | Boyle's Law states that the volume of a gas is inversely proportional to its pressure at constant temperature. Increasing pressure decreases volume, and vice versa. |
