damariwave damariwave

31-05-2021
Physics

contestada

Calculate the heat added to 3kg of water if the temperature increases from 30 C to 60 C.

A. 376.74 J

B. 376.74 kJ

C. 753.48 J

D. 753.48 kJ

Respuesta :

keijosalonen keijosalonen

31-05-2021

Answer: B is right

Explanation: Heat Q = m Cv ΔT = 3.0 kg · 4186 J / (kg·K) · 30 K≈ 376 740 J

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