como es agua cm³ = gr
Q = m . Ce . ΔT
m₁ = 10 g Ce = 1 cal/g.ºC T₁ = 60 ºC T₂ = ?
m₂ = 30 g Ce = 1 cal/g.ºC T₁ = 20 ºC T₂ = ?
Q₁ = 10 g × 1 cal/g.ºC × (60 ºC - T₂) Q₂ = 30 g × 1 cal/g.ºC × ( T₂ - 20 ºC)
Q₁ = 10 cal × (60 - T₂) Q₂ = 30 cal × (T₂ -20)
calor absorbido = calor cedido
Q₁ = Q₂
10 cal × (60 - T₂) = 30 cal × (T₂ -20)
600 - 10 T₂ = 30 T₂ - 600
600 + 600 = 30 T₂ + 10 T₂
1200 = 40 T₂
T₂ = 1200 / 40
T₂ = 30º C ⇒temperatura final del equilibrio
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como es agua cm³ = gr
Q = m . Ce . ΔT
m₁ = 10 g Ce = 1 cal/g.ºC T₁ = 60 ºC T₂ = ?
m₂ = 30 g Ce = 1 cal/g.ºC T₁ = 20 ºC T₂ = ?
Q₁ = 10 g × 1 cal/g.ºC × (60 ºC - T₂) Q₂ = 30 g × 1 cal/g.ºC × ( T₂ - 20 ºC)
Q₁ = 10 cal × (60 - T₂) Q₂ = 30 cal × (T₂ -20)
calor absorbido = calor cedido
Q₁ = Q₂
10 cal × (60 - T₂) = 30 cal × (T₂ -20)
600 - 10 T₂ = 30 T₂ - 600
600 + 600 = 30 T₂ + 10 T₂
1200 = 40 T₂
T₂ = 1200 / 40
T₂ = 30º C ⇒temperatura final del equilibrio