An unknown substance has a mass of 19.3 g. The temperature of the substance increases from 30.1 °C to 42.5 °C when 92.1 J of heat is added to the substance. The table lists the specific heats of select substances. Substance Specific heat [J/ (g · °C)] What is the most likely identity of the lead 0.128 unknown substance? silver 0.235 water сорper 0.385 сорper iron 0.449 silver aluminum 0.903 aluminum water 4.184 O iron lead

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An unknown substance has a mass of 19.3 g. The temperature of the substance increases from 30.1 °C to 42.5 °C when 92.1 J of heat is added to the substance. The table lists the specific heats of select substances.

| Substance | Specific heat [J/(g · °C)] |
|-----------|---------------------------|
| lead      | 0.128                     |
| silver    | 0.235                     |
| copper    | 0.385                     |
| iron      | 0.449                     |
| aluminum  | 0.903                     |
| water     | 4.184                     |

What is the most likely identity of the unknown substance?

- ○ water
- ○ copper
- ○ silver
- ○ aluminum
- ○ iron
- ○ lead
Transcribed Image Text:An unknown substance has a mass of 19.3 g. The temperature of the substance increases from 30.1 °C to 42.5 °C when 92.1 J of heat is added to the substance. The table lists the specific heats of select substances. | Substance | Specific heat [J/(g · °C)] | |-----------|---------------------------| | lead | 0.128 | | silver | 0.235 | | copper | 0.385 | | iron | 0.449 | | aluminum | 0.903 | | water | 4.184 | What is the most likely identity of the unknown substance? - ○ water - ○ copper - ○ silver - ○ aluminum - ○ iron - ○ lead
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