Enthalpy Flashcards

1
Q

Exothermic and enthalpy

A

The energy product is less than the energy content of the reactants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Enthalpy and endothermic

A

The energy content of the product is grater content of the reactants

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How to calculate the enthalpy

A

Reactant - products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Catalyst and enthalpy

A

A catalyst will speed up the reaction by providing an alternative pathway with a lower activation energy, the enthalpy change is not altered by the use of a catalyst

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the activated complex

A

The activated complex represents an intermediate stage between the reactants and products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where is the activated complex formed

A

It is formed at the top of the activation energy barrier and because of it’s high energy is very unstable

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the enthalpy of combustion

A

The enthalpy of combustion is when one mole of a substance completely burns in oxygen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is enthalpy of solution

A

The enthalpy of solution is when one mole of a substance completely dissolves in water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the enthalpy of neutralisation

A

The enthalpy of solution is when one mole of water is formed from a neutralisation reaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly