Oblicz jaką ilość ciepła należy dostarczyć do 0,5kg wody o temperaturze 20 stopni, aby ogrzać ją do 100 stopni?
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![Dane:\\m=0,5 kg\\T_p=20^oC\\T_k=100^oC\\C_w = 4200 \frac{J}{kg\cdot ^oC}\\\\Szukane :\\Q = ? \\\\Roziwazanie :\\Q = C_w\cdot \Delta T\cdot m= C_w\cdot (T_k-T_p)\cdot m \\\\Q = 4200\cdot (100-20) \cdot 0,5 \\Q = 168000J = 168[kJ]](https://tex.z-dn.net/?f=Dane%3A%5C%5Cm%3D0%2C5+kg%5C%5CT_p%3D20%5EoC%5C%5CT_k%3D100%5EoC%5C%5CC_w+%3D+4200++%5Cfrac%7BJ%7D%7Bkg%5Ccdot+%5EoC%7D%5C%5C%5C%5CSzukane+%3A%5C%5CQ+%3D+%3F+%5C%5C%5C%5CRoziwazanie+%3A%5C%5CQ+%3D+C_w%5Ccdot+%5CDelta+T%5Ccdot+m%3D+C_w%5Ccdot+%28T_k-T_p%29%5Ccdot+m+%5C%5C%5C%5CQ+%3D+4200%5Ccdot+%28100-20%29+%5Ccdot+0%2C5+%5C%5CQ+%3D+168000J+%3D+168%5BkJ%5D+ "Dane:\\m=0,5 kg\\T_p=20^oC\\T_k=100^oC\\C_w = 4200 \frac{J}{kg\cdot ^oC}\\\\Szukane :\\Q = ? \\\\Roziwazanie :\\Q = C_w\cdot \Delta T\cdot m= C_w\cdot (T_k-T_p)\cdot m \\\\Q = 4200\cdot (100-20) \cdot 0,5 \\Q = 168000J = 168[kJ]")
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