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Chem1411 chptr 1,2
Chemistry the Central Science textbook
| Question | Answer |
|---|---|
| Pure Substance | matter that does not vary from sample to sample. EX) Water, table salt |
| Compounds | Two or more elements. |
| Mixture | Two or more elements where each retains its own chemical identity. |
| Kelvin to Celsius | C + 273.15 |
| Celsius to F | (F-32) x 1.8 |
| F to Celsius | 1.8xC + 32 |
| Density = | D=M/V |
| Volume = | V=M/D |
| Mass = | M=VxD |
| Pico | 10 -12 |
| Nano | 10 -9 |
| Micro | 10 -6 |
| Milli | 10 -3 (.001m) |
| Centi | 10 -2 (.01m) |
| Deci | 10 -1 (.1m) |
| Kilo | 10^3 (1000m) |
| Mega | 10^6 (100000m) |
| 1 mL = | 1 mL = 1cm^3 = 1cc |
| Sn | Tin |
| Ag | Silver |
| Hg | Mercury |
| Ba | Barium |
| B | Boron |
| Au | Gold |