qis negative when heat is transferred from the system to the

Last updated: 7/9/2022

qis negative when heat is transferred from the system to the surroundings and wis positive when work is done on the system by the surroundings. When sweat evaporates from the skin, cooling the skin (the evaporating sweat is the system). the sign of q (heat) for the system is negative and the energy exchange is primarily due to When a bicycle tire is inflated (the tire is the system), the sign of w (work) for the system is and the energy Exchange is primarily due to --