Does a body at `20^(@)C` radiate in a room, where the room temperature is `30^(@)C` ? If yes, why does its temperature not fall further?

Does a body at 20^(@)C radiate in a room, where the room temperature is 35^(@)C ? If yes, why does not its temperature fall further?

Does a body at 0^(@) C radiate any heat ?

Why is O_2 inert at room temperature ?

Why nitrogen is inert at room temperature ?

Room temperature is 30^(@)C . Express this is degree Fahrenheit and Kelvin.

A metallic sphere cools from 50^(@)C to 40^(@)C in 300 seconds. If the room temperature is 20^(@)C then its temperature in next 5 minutes will be -

Why is N_(2) less reactive at room temperature ?

A man, the surface area of whose skin is 2m^(2) , is sitting in a room where air temperature is 20^(@)C if his skin temperature is 28^(@)C and emissivity of his skin equals 0.97, find the rate at which his body loses heat.

The temperature of a room heated by heater is 20^@C when outside temperature is -20^@C and it is 10^@C when the outside temperature is -40^@C . The temperature of the heater is