Molecular formula :
nature : caused by the temperature difference between the system and the environment (or between objects), a Transfer approach, using symbols Q system from the Environmental expressed in this way the energy, popular argument is from the Environmental System Q suction such a quantity of heat. Q If negative, the system at this table have lost their energy, the popular argument for the system exothermic Q. Its units joules, the use of symbols J (Coke).
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