Kinetics

what is kinetics

study of reaction rates

What must happen for a reaction to occur

molecules must collide

what must happen to have successful collisions

must produce enough energy to produce a reaction

Has to have the correct orientation

what are the ways to increase the number of collisions

Increase concentration-more reactants to combine

Increase temp-increase in kinetic energy

Use a catalyst-lowers activation energy

what is thermochemistry 

study of heat absorbed or released in a chemical equation 

What happens with heat in endothermic reactions

absorbed- makes container feel cool

What happens with heat in exothermic reactions

released- makes container feel warm

Draw the exothermic reaction 

Draw the endothermic reactions

What is activation energy

the amount of energy that must be overcome before reaction can occur

Activated complex 

where energy is at its highest 

Highest point on mountain part of graph 

What are the 2 units of energy

calorie and joule

What is the symbol for enthalpy

triangle H

Pronounced delta H

What is enthalpy 

the measures the heat content of a reaction at a constant pressure

Do endothermic reactions have a positive or negative enthalpy

positive

Do exothermic reaction have a positive or negative enthalpy

negative

If delta H is on reaction side what kind of reaction is it 

endothermic 

If delta H is on product side what reaction is it

exothermic