## Is U equal to delta Eth

$\Delta U=q+w$

Jared Khoo 1G
Posts: 107
Joined: Wed Sep 18, 2019 12:16 am

### Is U equal to delta Eth

In physics classes the first law of thermodynamics was $\Delta Eth = Q+W$. However, in this class the equation is $\Delta U = Q+W$. I just want to make sure that U and Eth are the same so it doesn't get confusing.

Myka G 1l
Posts: 100
Joined: Fri Aug 30, 2019 12:17 am

### Re: Is U equal to delta Eth

Yes, its the same equation just different notations.

preyasikumar_2L
Posts: 101
Joined: Fri Aug 09, 2019 12:17 am

### Re: Is U equal to delta Eth

Yes, Delta E and Delta U are essentially the same thing and can be used interchangeably.