A 0.150-kg block of a pure material is heated from 20.0°C to 65.0°C by the addition of 2.18 kJ of energy. Calculate its specific heat.kJ/(kg · °C)An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same amount of 0°C water. The specific heatcapacity of water is 1.00 kcal/(kg · °C), and its latent heat of fusion is 79.8 kcal/kg.(a) How much heat in kcal is required to raise the temperature of 0.880 kg of water from 0°C to 28.0°C?kcal(b) How much heat is required to first melt 0.880 kg of 0°C ice and then raise its temperature to 28.0°C?kcal

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A 0.150-kg block of a pure material is heated from 20.0°C to 65.0°C by the addition of 2.18 kJ of energy. Calculate its specific heat. kJ/(kg · °C)

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter21: Heat And The First Law Of Thermodynamics

Section: Chapter Questions

Problem 71PQ

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Question

100%

A 0.150-kg block of a pure material is heated from 20.0°C to 65.0°C by the addition of 2.18 kJ of energy. Calculate its specific heat.
kJ/(kg · °C)
An ice bag containing 0°C ice is much more effective in absorbing heat than one containing the same amount of 0°C water. The specific heat
capacity of water is 1.00 kcal/(kg · °C), and its latent heat of fusion is 79.8 kcal/kg.
(a) How much heat in kcal is required to raise the temperature of 0.880 kg of water from 0°C to 28.0°C?
kcal
(b) How much heat is required to first melt 0.880 kg of 0°C ice and then raise its temperature to 28.0°C?
kcal

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