Peulure: [ Q=(mathrm(cm)(t_(2)-t_(1))=380 (mathrm(Nt))/(mathrm(hrc)) cdot 2 mathrm(kT) *(750^circ mathrm(C)-150^circ mathrm(C)). ]

To solve the given equation, let's break it down step by step: First, let's simplify the temperature difference: Now, substitute this back into the equation: Next, let's simplify the constants: So, the equation simplifies to: Therefore, the final answer is: Note: The units and constants used in the equation are not standard, so it's important to understand the context or the specific units being used.