Chemistry Module 15 &16 Review

Surface Area

You can increase the rate of reaction by increasing the ___ ___ of a solid

Reaction Rate

How fast reactants are changed into products is the _____.

Pressure

One of the factors affecting reaction rates (P)

Temperature

One of the factors affecting equilibrium (T)

Reactants

If a reaction reaches equilibrium soon after it starts, then the __ are favored.

Collision

In order for reactants to go to products, there has to be a ____

Enzyme

A biological catalyst is called an ____

Orientation

In order for reactants to go to product, they need to collide with the correct ____

Le’ Chatelier’s Principle

_____ states that a system in equilibrium will opposed a change in a way that helps eliminate the change.

Pressure

One of the factors affecting equilibrium (P)

No Shift

If the pressure in Reaction 1 increases, which way will the equilibrium shift

Right

If the temperature in Reaction 2 decreases, which way will the equilibrium shift

Temperature

One of the factors affecting reaction rates (T)

More

If the pressure on a system in equilibrium is decreased, it will shift to the side with ___ moles of gas

Products

If a reaction nears completion before reaching equilibrium, then the ___ are favored

Chemical Equilibrium

A state of balance in which the rate of a forward reaction equals the rate of the reverse reaction

Reversible Reaction

A _____ ______ can reach equilibrium by shifting toward the forward or reverse reaction until rates are equal

Transition State

Another name for activated complex

Right

If additional Cl- ions are added to Reaction 1, which way will the equilibrium shift

Activated Complex

A molecule in an unstable state intermediate to the reactants and the products in the chemical reaction

Chemical Kinetics

The area of chemistry that is the study of reaction rates and reaction mechanisms

Less

If the pressure on a system in equilibrium is increased, it will shift to the side with ____ moles of gas to reestablish equilibrium

Activation Energy

The minimum energy required to start a chemical reaction

Left

If the amount of water is increased in the Reaction 1, which way will the equilibrium shift

Concentration

One of the factors affecting equilibrium (C)

Right

If NH3 is removed as it is made in Reaction 2, which way will the equilibrium shift

Concentration

One of the factors affecting reaction rates (C)

Left

If the temperature is decreased in reaction 1, which way will the equilibrium shift

Double Arrow

This is used to show a reaction is reversible

Left

If the pressure is decreased in Reaction 2, which way will the equilibrium shift

Catalyst

A substance that changes the rate of a chemical reaction without being consumed or changed significantly