WorksheetsQUIZ Collision Theory & Factors Affecting Rate of Reaction
Total questions: 15
Worksheet time: 8mins
Decreasing the concentration of the reactants increases the collision frequency between reacting particles.
TRUE
FALSE
Increasing the concentration of a substance increases the kinetic energy of the particles that make up the substance
TRUE
FALSE
Increasing the surface area of the reactant, increases the rate of the reaction.
TRUE
FALSE
Raising the temperature of the reaction increases the rate of the reaction by increasing the energy of the collisions between reacting particles.
TRUE
FALSE
If the reactant particles collide with less than the activation energy, the particles bounce back, and no reaction will occur
TRUE
FALSE
The food was refrigerated.
temperature
concentrations
particle size
A coal dust explosion happens in mines.
temperature
concentrations
particle size
Acid rain erodes marble fast.
temperature
concentrations
particle size
Two antacid tablets neutralize acids faster than one tablet.
temperature
concentrations
particle size
Kindling is used to start a fire.
temperature
concentrations
particle size
What conditions must be met in order for a chemical reaction to occur?
Collision with proper orientation
Sufficient activation energy
Adding more reactant particles
Both collision with proper orientation and sufficient energy
Which of the following would NOT increase the rate of reaction?
Increasing the temperature
Adding catalyst
Increasing the volume
Increasing the concentrations
Suppose you dissolve Zinc (Zn) in Hydrochloric acid (HCl) and add more acid than usual. Then drop pieces of Zinc. What factor does NOT affect the rate of the reaction?
Surface area of the Zinc
Concentration of the reactant
Temperature of the solution
Amount of Hydrochloric acid
Activation energy is the amount of energy required to _________.
break the bonds between the reacting molecules
make the reacting particles collide
form the bonds between the product molecules
convert the reactant to a single product
Why does a candle burn more rapidly when placed in an open jar than in air?
What accounts for this reaction?
Higher Oxygen concentration
Greater surface area of the jar
Increasing the surrounding temperature
Length of the candle
