chem 116 quiz 1 Flashcards
if acid splashes into your eyes
use the eyewash station for a minimum of 15 mins, followed by eval of a physician
if acid splashes on your skin
wash it off immediately with cool water while your lab partner notifies your instructor
if you spill any acid on the bench or floor
notify your instructor who will neutralize it with sodium bicarbonate
the hydrogen gas generated in today’s reaction is flammable when exposed to ?
oxygen
the plunger of the syringe is under pressure so we will
work under the hood with the sash pulled low to protect against possible projectiles
each group will complete ? trials of ? reactions
3 trials of 5 reactions
we will be reacting 5 masses of ? with 20mL 1M ?
Mg; HCl
our graph will have
the average volume for each mass on the y axis and mass of Mg sample on the x axis
to calculate the number of moles of gas present in a sample, use
the ideal gas law (PV=nRT)
atmospheric pressure will be given, but we will measure
temperature and volume
