Determine the amount of heat absorbed by the isobaric name of 1.2 kg of sodium hydroxide from 298 to 700 K, if its heat of fusion is 6363 J / mol and Tm = 595K. Dependences of the true heat capacity of NaOH on temperature for the solid and liquid states, expressed by equations of the form:
Cp \u003d a BT c´ / T2 take from the reference book.
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