Definitions
Definition of Precision?
Refers to how close a series of measurements are to one another.
SI base unit for time?
seconds, sec
What is the Branch of chemistry that focuses on the chemicals that do not contain carbon-hydrogen bonding?
Inorganic Chemistry
What are the three types of graphs?
Circle, Line, and bar
What is the ratio that compares mass to volume?
Density
Definition of Conversion Factor?
Ratio of equivalent values used to express the same quantity in different units.
SI base unit for length?
Meters, m
What is the Branch of chemistry that focuses on the chemicals that contain carbon-hydrogen bonding?
Organic Chemistry
What type of graph would be used to show parts of a whole?
Circle Graph
What take up space and has mass?
Matter
Definition of Percent Error?
Ratio of an error to an accepted value.
SI base unit for temperature?
Kelvin, K
What is the Branch of chemistry that focuses on metabolism and fermentation?
Biochemistry
Convert 90 degrees Celsius to Kelvin.
273 + 90=363 K
Which is Longer?
50 Km or 50 miles
50 miles because 50 km is 31 miles
Difference between an acceptable value and an accepted value.
What is the SI unit for mass?
Kilogram, Kg
What branch of chemistry that focuses on the components and composition of food nutrients and quality control?
Analytical Chemistry
Convert 50 Degrees Fahrenheit to Celsius.
C=5/9(50-32)=10 Celsius
Which is heavier 100 kg or 210 lbs?
100 kg
Definition of Derived Units?
Unit in a system of measurement that is defined by combining base units.
Definition of a Base Unit?
Defined unit in a system of measurement that is based on an object or event in the physical world.
What branch of chemistry that focuses on the behavior and changes of matter such as reaction rates and mechanisms?
Physical Chemistry
What is the scientific notation of 789000000?
7.89 x 108
What is dimensional analysis?