Identity of metal Tin 1. Mass of metal, (g) 49.437 Trial 1 Trial 2 2. Mass of Styrofoam® cup and water, (g) 61.856 62.977 3..Mass of Styrofoam® cup, (g) 9.346 9.346 4. Mass of water, (g) ___________ ___________ 5. Initial temperature of metal (temp of boiling water) (o C) 99.5 99.5 6. Initial temperature of water in cup,(o C) 21.5 22.9 7. Final temperature of water and metal (o C) 25.9 26.5 8. Specific heat of metal, (cal/go C) ___________ ___________ 9. Average specific heat of metal, (cal/go C) ___________
Record of your data
|
Identity of metal |
Tin |
|
|
1. Mass of metal, (g) |
49.437 |
|
|
|
Trial 1 |
Trial 2 |
|
2. Mass of Styrofoam® cup and water, (g) |
61.856 |
62.977 |
|
3..Mass of Styrofoam® cup, (g) |
9.346 |
9.346 |
|
4. Mass of water, (g) |
___________ |
___________ |
|
5. Initial temperature of metal (temp of boiling water) (o C) |
99.5 |
99.5 |
|
6. Initial temperature of water in cup,(o C) |
21.5 |
22.9 |
|
7. Final temperature of water and metal (o C)
|
25.9 |
26.5 |
|
8. Specific heat of metal, (cal/go C) |
___________ |
___________ |
|
9. Average specific heat of metal, (cal/go C)
|
___________ |
Calculations:
ΔTwater = Tf – Ti water = ____oC
ΔTmetal = Tf – Ti metal = _ oC
Qwater = (1.00 cal/go C) x ( g water) x ( oC) = cal Qmetal = – Qwater
Cmetal = Qmetal / (mmetal x ∆Tmetal )= – _______cal / [(______g) x (_____oC)] = ________cal/goC
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