If a small amount of a substances that is at 50 deg C is placed in a large insulated room,what will the final temp. of the substances be? will heat transfer to the room take place? will the room temp. go up?
To determine the final temperature of the substance and if heat transfer will occur, we need to consider the laws of thermodynamics. Specifically, we can use the principle of thermal equilibrium, which states that when two objects come into contact, heat transfer will occur until they reach the same temperature.
In this scenario, if a small amount of a substance at 50°C is placed in a large insulated room, heat transfer will take place. Initially, the substance will have a higher temperature than the room, so heat will flow from the substance to the room.
The rate of heat transfer will depend on factors such as the thermal conductivity of the substance and the room, the specific heat capacity of the substance, and the surface area of contact. However, in an idealized scenario, we can assume that the heat transfer will continue until thermal equilibrium is reached.
Thermal equilibrium is achieved when the substance and the room reach the same temperature. Hence, the final temperature of the substance will eventually be equal to the temperature of the room. The room temperature, on the other hand, will also increase but only slightly since the added heat is coming from a small amount of substance.
It's important to note that this explanation assumes that the room is perfectly insulated, meaning there is no heat exchange between the room and its surroundings. In reality, some heat loss or gain might occur due to factors like air leaks or fluctuations in the room's insulation quality.