asking for final temp

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Savannah Mance 4G
Posts: 107
Joined: Fri Aug 30, 2019 12:17 am

asking for final temp

Postby Savannah Mance 4G » Mon Feb 03, 2020 7:20 pm

When a question asks for final temperature how do you find that? What equation do you use? Do you use the enthalpy equations?

Alexis Webb 2B
Posts: 124
Joined: Thu Jul 11, 2019 12:15 am

Re: asking for final temp

Postby Alexis Webb 2B » Mon Feb 03, 2020 7:31 pm

You have to use q=mCdeltaT for the substances they are asking you to find the final temperature for. For example, if they ask you to find the final temperatures for an ice cube in water, once you calculate the delta H for the ice cube, then you find the q for the ice and q for the water, set them equal to each other, and solve for the final temperature.

Alexis Webb 2B
Posts: 124
Joined: Thu Jul 11, 2019 12:15 am

Re: asking for final temp

Postby Alexis Webb 2B » Mon Feb 03, 2020 7:32 pm

You only find enthalpy if the substance is going through a phase change I think.


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