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unit 5 science
study guide
| Question | Answer |
|---|---|
| state the rules for what makes numbers a sig fig | all non zeros, sandwiched zeros, final zeroes after decimal, and all numbers in scientific notation |
| what are the 3 states of matter | solid, liquid, and gas |
| describe the intermolecular forces of a gas and a solid | a solid has a higher force than a gas because the molecules are trying to leave a closed space |
| describe the molecules in a solid, liquid, and gas | solid they are close, liquid they are moving freely, and a gas they are far apart |
| what factors influence the speed of samples of gas | hot makes them fast, cold makes them slow, bigger they are the slower they are, the smaller they are the faster they are |
| what is absolute zero and what temperature does it occur at | it is when all life stops and 0 kelvins and -273 celsius |
| what is the formula to convert c to f | f-32x5/9 |
| what is the formula to convert f to c | 9/5(c)+32 |
| what is the formula to go from c to k | c=273 |
| what is stp | standard temperature and pressure |
| why do we use stp | to discuss the volume of gas, the number of gas particles in that volume, the pressure of the gas, and the temperature of the gas |
| summarize charles law | as you increase temperature volume increases |
| summarize gay lusacs law | as pressure increases temperature increases |
| what is our mnemonic device for metric conversions | KHDUDCM |