Is the principal concern in the study of thermodynamics the amount of internal energy in a system or the changes in internal energy in a substance? Why? O Changes, because measuring the amount can be complex Changes, because the equation for the amount includes E = mc², which is hard to calculate Amount, because measuring changes can be complex Amount, because it is completely determined by the temperature

Is the principal concern in the study of thermodynamics the amount of internal energy in a system or the changes in internal energy in a substance? Why? O Changes, because measuring the amount can be complex Changes, because the equation for the amount includes E = mc², which is hard to calculate Amount, because measuring changes can be complex Amount, because it is completely determined by the temperature

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