Asked by Anonymous
Brass is an alloy made from copper & zinc. A 0.55 kg brass sample at 96.7 C is dropped into 2.19kg of water at 4.4C. If the equilibrium temp is 7.0C, what isthe specific heat of wter is 4186 j/kg C.
Answer in units of J/kg C
Answer in units of J/kg C
Answers
Answered by
Elena
m₁ =0.55 kg,t₁ =96.7℃
c₂=4186 J/kg•℃, m₂=2.19 kg, t₂=4.4℃
t= 7℃
Q₁=c₁m₁(t₁-t)
Q₂=c₂m₂(t-t₂)
Q₁=Q₂ =>
c₁m₁(t₁-t) = c₂m₂(t-t₂)
Solve for c₁
c₂=4186 J/kg•℃, m₂=2.19 kg, t₂=4.4℃
t= 7℃
Q₁=c₁m₁(t₁-t)
Q₂=c₂m₂(t-t₂)
Q₁=Q₂ =>
c₁m₁(t₁-t) = c₂m₂(t-t₂)
Solve for c₁
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