Thermodynamics! :(

[yossup]

1. The problem statement, all variables and given/known data

An audience of 1800 fills a concert hall of volume 2.2×104 m^3. If there were no ventilation, by how much would the temperature of the air rise over a period of 2.0 h due to the metabolism of the people (70W/person)? Assume the room is initially at 293K.

2. Relevant equations



3. The attempt at a solution

I have no idea how to start this problem without using the convection equation...

can someone at least give me a hint on how to start this problem? this is so confusing...

thanks.

[tiny-tim]

An audience of 1800 fills a concert hall of volume 2.2×104 m^3. If there were no ventilation, by how much would the temperature of the air rise over a period of 2.0 h due to the metabolism of the people (70W/person)? Assume the room is initially at 293K.
…
I have no idea how to start this problem without using the convection equation...

Hi yossup! :smile:

Yup … bit of a daft question, isn't it? :rolleyes:

My experience of daft exam questions tells me that since it says "the temperature", it means that you should assume that the whole room has only one temperature, and somehow reaches equilibrium! :wink: