## Hess's Law

Alexis Robles 2k
Posts: 100
Joined: Wed Sep 18, 2019 12:18 am

### Hess's Law

What is Hess's Law?

Hannah Pham
Posts: 104
Joined: Fri Aug 09, 2019 12:17 am

### Re: Hess's Law

Hess's Law states that regardless of the intermediate steps taken in a reaction, the total enthalpy change for the reaction is the sum of each individual changes.

Niharika 1H
Posts: 50
Joined: Thu Jul 25, 2019 12:16 am

### Re: Hess's Law

Hess's Law is a law that says that the total enthalpy change for a reaction is the sum of all changes in it.

Rhea Shah 2F
Posts: 97
Joined: Thu Jul 25, 2019 12:17 am

### Re: Hess's Law

Since enthalpy is a state function, it can be added and subtracted. This is applied in Hess's law, which states that the total enthalpy change of a reaction is the sum of all the changes in the reaction, regardless of the number of steps taken to obtain the final product.

CalvinTNguyen2D
Posts: 102
Joined: Thu Jul 25, 2019 12:16 am

### Re: Hess's Law

Hess' Law states that the total enthalpy change of a reaction is the sum of all the individual changes within the reaction!

Julia Holsinger_1A
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Joined: Tue Feb 26, 2019 12:16 am

### Re: Hess's Law

How can you prove that the total enthalpy change is the sum of the changes in it?

ABombino_2J
Posts: 102
Joined: Thu Jul 11, 2019 12:15 am

### Re: Hess's Law

Hess' Law essential proves that enthalpy is a state function because you are allowed to add enthalpies without any regard for how the value was obtained.

Nick Lewis 4F
Posts: 111
Joined: Wed Sep 18, 2019 12:18 am

### Re: Hess's Law

Are there any other laws we have to remember pertaining to this? I know we went over 3 methods to this, but was this the only one given the name of a law?

Shrayes Raman
Posts: 129
Joined: Sat Jul 20, 2019 12:15 am

### Re: Hess's Law

It has to do with state functions and how they relate to enthalpy, as enthalpy is not determined by path taken.