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Sagot :
Answer:
ok:
Explanation:
We have:
[tex]q = mc\Delta T[/tex]
we know that q = -5000 J (it is negative since you release energy)
m = 320 g
and c = 376 J/kg.
We need to be careful before plugging them in. Since the units are J/kg for c, but we are talking about grams for m, we need to convert. I will just divide c by 1000 to get c = 0.376 J/g
We can now plug in:
(-5000 J) = (320 g) * (0.376 J/g) * [tex]\Delta T[/tex]
We can solve that [tex]\Delta T[/tex] = -41.5555
So the final temperature is [tex]T - \Delta T[/tex] which equals around 8.4°C.
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