Math Problem Statement
Cuantas Kilocalorías se requieren para
calentar un jamón de 20 kgs desde 20
oChasta 90oC. Si el jamón se cale-
ntara en una estufa eléctrica con una
potencia de2500 Vatios, ¿Cu
ánto tiempo tardaría en
calentarse?Para la resolución de la
primera parte deben utilizar una de
las ecuaciones decalor descritas anter-
iormente,sabiendo que el CP (Jamón) =
0.8 Kcal/kgs.oC. Paracalcularel tiempo
sedebe relacionar lapotencia con laca-
ntidad decalor,sabiendoque 1 Joule =
1 W/S y 1 Kcal = 4185 J (Joule) .
Solution
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Math Problem Analysis
Mathematical Concepts
Thermodynamics
Heat Transfer
Power and Energy Conversion
Formulas
Q = m * Cp * ΔT (Heat energy formula)
t = Q / Power (Time calculation formula)
1 Kcal = 4185 J
Theorems
Concept of Heat Transfer
Energy Conversion between Kcal and Joules
Suitable Grade Level
Grades 10-12
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