When crystallizing silver taken at the melting temperature, 2.7 kJ of heat was released. Define the mass of silver?

Given:
λ = 87000 J / kg.
Q = 2.7 kJ = 2700 J.
Find: m -? kg.
Solutions:
λ – specific heat of fusion.
Q = λ * m.
m = Q / λ.
[m] = J / J / kg = kg.
m = 2700/87000 = 0.031 (kg).



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