By adminOn

Best answer

Positive

People also ask

  • When heat flows out of a system its value is negative?

    • When what flows into a system it’s value is positive when heat flows out of the system it’s value is negative? heat. apex. What does a negative value for heat represent? The Short Answer = Cooling. What is a endopthermic reaction? An endothermic reaction is a reaction where heat flows from the surroundings in to the system.

  • What is the difference between heat flow and work flow?

    • Heat flow is considered positive when heat flows (into, out of) a system; work is considered positive when work is done (by, on) a system. 1. out of; by 2. into; on 3. out of; on 4. into; by Heat flow q is considered positive when heat flows into a system. Work w is considered positive when work is done on a system.

  • How does heat flow through a system?

    • Heat flows into or out of a system in response to a temperature difference, always flowing from hotter temperature regions (cooling them) to cooler ones (warming them).

  • What is the quantity of heat for a process represented by?

    • The quantity of heat for a process is represented by the letter q. The sign of q for an endothermic process is positive because the system is gaining heat. A chemical reaction or physical change is exothermic if heat is released by the system into the surroundings.