CHE 2B Lecture 2: Constant Pressure Calorimeter
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Please help complete the table. Based on the experiment that was conducted. The unknown metal was placed in 40 mL of water.
Trial 1: Time (minutes) | Trial 1: Temp (°C) | Trial 2: Time (minutes) | Trial 2: Temp (°C) | Trial 3: Time (minutes) | Trial 3: Temp (°C) | ||||
Metal: Initial | 102 | Metal: Initial | 99 | Metal: Initial | 98 | ||||
Calorimeter: initial | 32 | Calorimeter: initial | 34 | Calorimeter: initial | 29 | ||||
Calorimeter + Metal: 1 min | 36 | Calorimeter + Metal: 1 min | 39 | Calorimeter + Metal: 1 min | 31 | ||||
Calorimeter + Metal: 2 min | 42 | Calorimeter + Metal: 2 min | 40 | Calorimeter + Metal: 2 min | 36 | ||||
Calorimeter + Metal: 3 min | 45 | Calorimeter + Metal: 3 min | 42 | Calorimeter + Metal: 3 min | 39 | ||||
Calorimeter + Metal: 4 min | 46 | Calorimeter + Metal: 4 min | 44 | Calorimeter + Metal: 4 min | 41 | ||||
Calorimeter + Metal: 5 min | 48 | Calorimeter + Metal: 5 min | 46 | Calorimeter + Metal: 5 min | 43 | ||||
DT for water | DT for water | DT for water | |||||||
DT for metal | DT for metal | DT for metal | |||||||
Mass of water: 40 (g) | Specific Heat capacity of water (J/g°C): | ||||||||
Calculation for Qwater: | |||||||||
Mass of metal (g): 19 | Qmetal = - Qwater = | ||||||||
| Calculation for Csp of metal (Trial 2): | Calculation for Csp of metal (Trial 3): | |||||||
Average Csp of metal: | Identity of Metal (extra credit): *include evidence/explanation below table |