C309 - Rates of Reaction

What is not a factor in determining the rate of a chemical reaction?

• Particle size
• Surface area
• Mass of reactant
• Catalyst presence

What does an increase in concentration of reactants typically cause?

• Reaction stops
• Decrease in reaction rate
• No change in reaction rate
• Increase in reaction rate

What is the term for the path a reaction takes from reactants to products?

• Reaction Route
• Reaction Direction
• Reaction Trajectory
• Reaction Pathway

What type of reaction absorbs energy from its surroundings?

• Combustion
• Synthesis
• Exothermic
• Endothermic

What describes a reaction where the products have a higher energy than the reactants?

• Exothermic Reaction
• Exergonic Reaction
• Endothermic Reaction
• Endergonic Reaction

What type of reaction releases energy in the form of heat?

• Isothermic Reaction
• Thermodynamic Reaction
• Exothermic Reaction
• Endothermic Reaction

Which theory explains reaction rates based on the collisions of particles?

• Quantum Theory
• Theory of Relativity
• Atomic Theory
• Collision Theory

In a chemical reaction, what is the minimum energy required for reactants to transform into products called?

• Potential Energy
• Thermal Energy
• Activation Energy
• Kinetic Energy

What is the reaction profile used to show?

• Energy changes during a reaction
• Pressure changes during a reaction
• Concentration changes during a reaction
• Temperature changes during a reaction

Which term refers to the average kinetic energy of the particles in a sample?

• Temperature
• Heat
• Thermal Energy
• Ambient Energy