1. A 5.75 mL sample of mercury has a measured mass of 77.05 g. The density is ___________
2. Mercuryâs accepted density is 13.53 g·mL-1. The % error in your measurement is: ____________
3.
Is this person accurate? ____ Is the person precise? ___
Defend your answer!
4.
This molecule contains ____ elements and ____ atoms.
Carbon=black Oxygen=Red White=Hydrogen
The molecular formula for this substance is: ___________
5. Calculate the number of seconds in 5.25 years using unit analysis: (1 year = 365.25 days)
6. A calculator displays the answer to a problem as 53.29841
Report this answer to:
_______________ 5 significant figures
_______________ 3 significant figures
_______________ 1 significant figure
7.
Which letter(s) represents: a) compound ____ b) pure element ____ c) Mixture of elements ____
d) Mixture of compounds _____ e) a solid element ____
1. A 5.75 mL sample of mercury has a measured mass of 77.05 g. The density is ___________
2. Mercuryâs accepted density is 13.53 g·mL-1. The % error in your measurement is: ____________
3.
Is this person accurate? ____ Is the person precise? ___ Defend your answer! |
4.
This molecule contains ____ elements and ____ atoms. Carbon=black Oxygen=Red White=Hydrogen The molecular formula for this substance is: ___________ |
5. Calculate the number of seconds in 5.25 years using unit analysis: (1 year = 365.25 days)
6. A calculator displays the answer to a problem as 53.29841
Report this answer to:
_______________ 5 significant figures
_______________ 3 significant figures
_______________ 1 significant figure
7.
Which letter(s) represents: a) compound ____ b) pure element ____ c) Mixture of elements ____
d) Mixture of compounds _____ e) a solid element ____
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