1)
Heat lost by the copper block = heat gained by water + heat gained by calorimeter
Let the equilibrium temperature be T
0.024×400×(210−T)=0.06×400×(T−31)+0.054×4200×(T−31)
2016−9.6T=24T−744+226.8T−7030.8
260.4T=5758.8T=22.12oC
2)
210mm....100oC49mm....(θ)0mm....0oC210−049−0=100−0θ−021049=100θθ=23.3oC
Comments