The value of k (for wood) = 0.08 to 0.16
The value of k (for air) = 0.023 J/s*m*C
What I have so far is (but I don't so if it is correct or not). This is the rate of heat flow
[(0.03J/s*m*C)(16m^2)(30C-10C)]/(0.12) = 213.3 J/s
But what do I do next or is this incorrect?
Homework Statement
Two rooms, each a cube 4.0m on a side, sare a 12cm thick brick wall. Because of a number of 100-W light-bulbs in one room the air is at 30 Celsius, while in the other room it is at 10 Celsius. How many of the 100-W light-bulbs are needed to maintain the temperature...
Homework Statement
A house has a volume of 770 m^3. (a) what is the total mas of air inside the house at 20 Celsius? (b) If the temperature drops to -10 Celsius, what mass of air enters or leaves te house?
Homework Equations
PV = nRT
The Attempt at a Solution
I found the solution...