6.3 standard form answer key
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LESSON 6-3 Practice and Problem Solving: A/B 1. not standard; 3x y 0 2. not standard; 5x y 4 3. not standard; 2x 2y 8
6.3 Internal Energy (U), State Functions, and the First Law of Thermodynamics—Internal energy (U) is a state function, which means it has a unique value once the state, or condition, of a system is defined. The change in the internal energy of a system is equal to the difference between the internal energy of the final and initial states.