Things to know for Rates of reaction and equilibrium

Rate of reaction

speed at which a reaction is taking place

3 requirements for collision theory

Particles must collide

Particles must collide with sufficient energy

Particles must collide with the correct orientation

What are the three musts in concentration graphs

1. Scale of graph

2. Ensuring stoichometric ratios are same

3. Ensuring they reach equilibrium at the same time

Temperature

Average translational kinetic energy of the system

Inc of Temperatures affect on rate of reaction

Temperature is the average translational kinetic energy,

Increasing temp hence increases kinetic energy

This increases speed, resulting in more collisions, collision more energetically

Which increases the chance of successful collisions, hence increasing rate of reaction.

Chemical energy

The bond energy in a substance

Increase in concentration

Increase in concentrations

Decreases the space

Increases frequency of collisions

Increases number of successful collisions

This increases rate of reaction

What does smaller particles do

Smaller particles greater surface area

what do you say instead of no of collisions

FREQUENCY

Inc in surface area

Inc in gas pressures

Catalysis prescience

What does pressure affect

the frequency of collisions

What does temperature affect?

Frequency of collisions, and proportion of successful collisions

What does surface area affect

The frequency of collisions

What does catalytic presence affect

The proportion of successful collisions

What does concentration affect?

The frequency of collisions

What does humidity affect in relation to rusting and corrosion of steel bars

Increased reactivity; more moisture.warer facilititates transfer of ions and electrons in corrosion process.

Conductivity; moisture can increase conductivity, and makes it easier for corrosion to occur

Oxygen availability; increased avalolability of oxygen in a humid environment as moisture can absorb more water, may prompt oxidation of Fe/iron in steel.