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Calculate the change in temperature of 20 kg of water if 30 kg of aluminum is dropped in the water and the aluminum changes temperature by 20°C (Hint: use the principle of conservation of energy.) °C

Respuesta :

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 ΔE = 0 

(m_alum) (c_alum) Δt - (m_water)(c_water) Δt' = 0 

(30) (897) (20) - (20)(4186) Δt' = 0 

Δt' = 6.42857 °C

Answer:

6.6°C

Explanation:

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