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JAMB Physics 2015 Paper
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© africaexams.com
Question : 32
Total: 66
A zinc has a heat capacity of 40 J/K, what is the mass of the zinc, given that the specific heat of zinc is 380 J/kg k
0.11kg
0.12kg
0.13kg
0.14kg
Validate
Solution:
Heat capacity (o) = mass (kg) specific heat of a substance (C
2
)
i.e Q = MC
where Q = 40 J/L, m = ?(380 J/Kgk)
40 = m × 380
m = 0.11kg (Approx)
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