jukell39078 jukell39078
  • 22-12-2022
  • Chemistry
contestada

Calculate the specific heat of a substance that increases 5°C when 200 J are added to 10 g of the substance.

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sbcardinals
sbcardinals sbcardinals
  • 22-12-2022

Answer:

0.072 J/kg*K

Known Equation

Specific Heat [[tex]\frac{Joules}{kilogram*Kelvin}[/tex]] = c = [tex]\frac{Q}{m(T_{2}-T_{1})}[/tex]

where Q [J] = Heat, m [kg] = mass, and ΔT [K] = change in temperature

Given Variables

Q = 200 J

m = 10 g

ΔT = 5 °C = 5 °C + 273 = 278 K

Solve

Specific Heat = c = (200 J) / (10 g * 278 K) = 0.072 J/kg*K

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