" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
V₁= 5 l
m₁= 5 kg
T₁= 10°C
c₁= 4190 J/kg*°C
V₂= 3l = 3 dm³ = 0,003 m³
T₂= 20°C
d₂ = 791 kg/m³
c₂= 2380 J/kg*°C
Szukane:
m₂=?
T = ?
Wzory:
m₂= d₂* V₂
T = (c₁m₁T₁+ c₂m₂T₂) : (c₁m₁+ c₂m₂)
m₂= 791 kg/m³ * 0,003 m³ = 2,373 kg
T = (4190 * 5 * 10 + 2380 * 2,373 * 20) : (4190 * 5 + 2380 * 2,373) = (209500 + 112954,8) : (20950 + 5647,74) = 322454,8 : 26597,74 = 12,12°C