## 8.49-temp?

$\Delta U=q+w$

sofiakavanaugh
Posts: 58
Joined: Thu Jul 13, 2017 3:00 am
Been upvoted: 1 time

### 8.49-temp?

Hi,

for 8.49 we have to use the equation deltaU= deltaH-delta(n)RT and it doesn't give us a temperature to use, but in the solutions manual it uses 298K (25°C). Is it always safe to assume a reaction is at 25 degrees C if it is not stated in the problem?

Thanks

Felicia Fong 2G
Posts: 31
Joined: Sat Jul 22, 2017 3:00 am

### Re: 8.49-temp?

I believe so. In many problems, 25 degrees C is the standard temperature, if not specifically stated.