1|Page
Chem 103 Lab Final Exam ||Verified Exam!!|| Most
Recent Exam Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) | Already
Graded A+ | Guaranteed Success!! Newest Exam!!!
When using a pipette to transfer liquid to a conical flask, a
small amount of liquid remains in the tip of the pipette.
This situation should be dealt with by? - Answer-Leaving
the liquid in the pipette which is calibrated to allow for it
What does the fire "O" symbol indicate about the
chemical? - Answer-Oxidizing
What does the fire symbol indicate about the chemical? -
Answer-Highly Flammable
You obtain 6.372g of product in your experiment. What is
this number to 3 significant figures? - Answer-6.37
How many sig figs is 0.0123? - Answer-Four
What is an intensive property? - Answer-A physical
property of a system that does not depend on the system
,2|Page
size or the amount of material in the system. (temperature,
refractive index, density, and hardness)
What is an extensive property? - Answer-The property is
proportional to the amount of material in the system.
(mass and volume)
How do we measure volume of an irregular solid? -
Answer-The volume of water displaced is equal to the
volume of the object.
What is a physical property? - Answer-Properties that can
be observed and measured without changing the
composition of the substance.
What is the equation for volume of a cylinder? - Answer-
πr2h
Who is required to wear eye protection in the
lab? - Answer-Everyone
, 3|Page
Why is jewelry a potential safety issue in the lab? -
Answer-Chemicals can be trapped under it next to skin.
What does flammable mean? - Answer-Easily ignited and
capable of burning easily.
What does the label CORROSIVE on a chemical container
indicate? - Answer-That contact destroys living tissue as
well as
equipment.
The volume delivered by a 20.00ml pipet in 3 trials was
20.05ml, 20.15ml, and 19.99ml. What is the standard
deviation? - Answer-0.06
A 10.0ml volumetric pipet delivers 10.05g of water at 24.0
°C. Density is 0.9973g/ml. What is the volume of the
water? - Answer-10.08
What are the units of density? - Answer-gml^-1
Chem 103 Lab Final Exam ||Verified Exam!!|| Most
Recent Exam Actual Complete Real Exam Questions
And Correct Answers (Verified Answers) | Already
Graded A+ | Guaranteed Success!! Newest Exam!!!
When using a pipette to transfer liquid to a conical flask, a
small amount of liquid remains in the tip of the pipette.
This situation should be dealt with by? - Answer-Leaving
the liquid in the pipette which is calibrated to allow for it
What does the fire "O" symbol indicate about the
chemical? - Answer-Oxidizing
What does the fire symbol indicate about the chemical? -
Answer-Highly Flammable
You obtain 6.372g of product in your experiment. What is
this number to 3 significant figures? - Answer-6.37
How many sig figs is 0.0123? - Answer-Four
What is an intensive property? - Answer-A physical
property of a system that does not depend on the system
,2|Page
size or the amount of material in the system. (temperature,
refractive index, density, and hardness)
What is an extensive property? - Answer-The property is
proportional to the amount of material in the system.
(mass and volume)
How do we measure volume of an irregular solid? -
Answer-The volume of water displaced is equal to the
volume of the object.
What is a physical property? - Answer-Properties that can
be observed and measured without changing the
composition of the substance.
What is the equation for volume of a cylinder? - Answer-
πr2h
Who is required to wear eye protection in the
lab? - Answer-Everyone
, 3|Page
Why is jewelry a potential safety issue in the lab? -
Answer-Chemicals can be trapped under it next to skin.
What does flammable mean? - Answer-Easily ignited and
capable of burning easily.
What does the label CORROSIVE on a chemical container
indicate? - Answer-That contact destroys living tissue as
well as
equipment.
The volume delivered by a 20.00ml pipet in 3 trials was
20.05ml, 20.15ml, and 19.99ml. What is the standard
deviation? - Answer-0.06
A 10.0ml volumetric pipet delivers 10.05g of water at 24.0
°C. Density is 0.9973g/ml. What is the volume of the
water? - Answer-10.08
What are the units of density? - Answer-gml^-1
