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6 types of errors
gross, random, systematic (methodlogical, personal, instrumental)
gross error (2 things)
result of equipment failure or carelessness, Q-test determines outlier
random error
reduced by taking line of best fit and standard deviation, caused by uncontrollable fluction in experimental variables
systematic error
eliminated by more than 1 calibration plus good methodology
methodological error
example is using wrong indicator in titration
personal error
example is taking incorrect reading of sig figs of glassware
instrumental error (2 things)
when instrument drifts away from calibrated settings, example is inaccurate calibration of pH probe
RAMP Acronym
recognize, assess, minimize, prepare
ECIM Acronym
evacuate, communicate, isolate, mitigate
PASS Acronym (extinguisher)
pull, aim, squeeze, sweep
Fire Classes
A: paper, clothing
B: oil, organic solvents
C: technology
D: reactive metals
ENM Acronym (chem spill)
evaluate, notify, move away
SUE Acronym (when evac lab)
stop reaction, unplug electirc, evacuate
NADS Acronym (medical emergency)
notify lab instructor, act quickly,l don’t panic, seek medical help
Def?
flammable
Def?
death by small exposure
Def?
compressed gas
Def?
oxidizer
Def?
corrosive
Def?
explosive
Deaf?
environmental damage
Def?
skin irritant, minor health issues
Def?
health hazard
how to end a fire in each part of the diagram?
heat pour water, fuel remove flammable objects, oxygen co2 fire extinguisher or blanket, chem chain reaction halon fire extinguisher
3 facts about fire
water can’t be used for class D fire, removing heat keeps fuel from vaporizing, fuel must be vaporized to burn
4 facts about bleach
nitirle gloves have 480 min breakthrough time for bleach, bleach can cause severe skin and eye damage, get in shower if a lot is spilled on you, bleach forms chloramine gas with ammonia
Note
Flashcard