A three meter piece of copper tubing weighing 100 g changes in temperature from

Question

A three meter piece of copper tubing weighing 100 g changes in temperature from 21.0°C to 45.0°C after having a fluid pass through the tube. How much heat did the tubing absorb from the liquid? The specific heat capacity of copper is 0.387 J/(g.K).

6. True or false; a state function only depends on the current conditions of a system and the path to reach the current conditions does not matter.

7. True or false; several forms of energy, (solar, electrical, and nuclear), are examples of potential and kinetic energy on the atomic scale.

Explanation / Answer

Q1 = m*c*(T-Ti)

Q1 = 100*0.387*(45-21) = 928.8J

6.

state function --> depends onnly of current conditions ,therefore TRUE

7.

TRUE, if you relate eventually all is either kinetic (movement of electorns) and potential (charges forces, moving across)

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