Reactions
Collision Theory
Entropy
Table I
Potential Energy diagrams
20

A chemical reaction can only occur if 

There are effective collisions between reactant particles 

20

The minimum energy that particles must have in order for a successful reaction 

Activation energy 

20

Entropy is

The measurement of the disorder of a chemical system 

20

Table I provides information on _____

The exothermic or endothermic nature of several different types of reactions 

20

What is a potential energy diagram?????????????

A graphical representation of the changes of potential energy over the course of a chemical reaction 

120

The energy needed to start a chemical reaction is called 

Activation energy

120

In order for an effective collision to happen, the particles must have 

Proper orientation and sufficient kinetic energy 

120

The following phase has the most entropy 

Gasses 

120

Slideshow slide 1

Endothermic reaction 

120

What does arrow number 2 represent

Potential energy of products 

220

With the presence of a catalyst, the rate of reaction will 

Increase bruh 

220

More collisions happen due to _______

A faster reaction rate 

220

H2O (s) -> H2O (l) is an example of a decrease or increase of entropy 

Increase of entropy 

220

Slideshow number 2

Exothermic reaction 

220

What does arrow number 4 represent

Activation energy 

320

The addition of a catalyst will also allow for 

A lower activation energy 

320

If two reactant particles collide but no reaction occurs it is called _______

An ineffective collision

320

3 A (g) + B (g) -> 2 C (g) + D (g) is an increase or decrease in entropy 

Decrease in entropy 

320

Slideshow slide 3

Endothermic reaction 

320

What does number arrow 3 represent 

Enthalpy or heat of reaction  

420

Increasing temperature allows for 

The increase of the frequency of effective collisions between molecules 

420

What type of energy will transfer between reactants upon collision 

Kinetic energy 

420

N(g) + O2 (g) -> 2 NO (g) is an increase or decrease in entropy 

Trick question brotha it remains the same 

420

Slideshow slide 4

Exothermic reaction 

420

What does number arrow 6 represent 

Reverse activation energy 

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