The solar energy that reaches the roof with given dimensions has to be calculated. Concept Introduction: Energy: It is the capacity or ability to do work. Joule (J) is the SI unit of energy. Free energy is the term that is used to explain the total energy content in a thermodynamic system that can be converted into work. The free energy is represented by the letter G. According to law of conservation of energy the change in energy of system is equal to the addition of heat and work done by the system.

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Chapter 4, Problem 12QRT

Interpretation Introduction

Interpretation:

The solar energy that reaches the roof with given dimensions has to be calculated.

Concept Introduction:

Energy: It is the capacity or ability to do work. Joule (J) is the SI unit of energy.

Free energy is the term that is used to explain the total energy content in a thermodynamic system that can be converted into work. The free energy is represented by the letter G.

According to law of conservation of energy the change in energy of system is equal to the addition of heat and work done by the system.

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