Sig Figs 1
3.1 x 103
2 sig figs: 3.1
How many sig figs are in 70.00?
4 sig figs.
What is the metric system?
The standard measurement system among scientists and the scientific community that goes up by 10s
What is the simplest definition of Chemistry?
Study of materials.
What is a meniscus?
The apparent curve of water in a graduated cylinder due to water being viscous.
Calculate this problem and write the answer in the appropriate amount of sig figs:
523.8 x 1.0 = ?
520
Calculate this problem and write the answer in the appropriate amount of sig figs:
27.89 - 19.80 = ?
8.09
Convert 25mg to grams.
.025g
What are Isotopes?
Atoms of the same element who have different number of neutrons.
What are significant figures?
All the values you know for certain plus one position of estimation.
Calculate this problem and write the answer in the appropriate amount of sig figs:
358 x 100 = ?
40,000
Calculate this problem and write the answer in the appropriate amount of sig figs:
27.0 - 0.28
26.7
What is the degree of error of a 250 ml graduated cylinder?
2 ml.
What branch of chemistry studies chemical processes that occur in a living system?
Biochemistry
What branch of chemistry involves the study of carbon based molecules?
Organic Chemistry
Calculate this problem and write the answer in the appropriate amount of sig figs:
.0010 x 1,234
1.2
How many significant figures are in a meter?
Infinite.
Convert 10,000 mm to km.
.01 km
What branch of chemistry involves the study of the properties of atomic nuclei?
Nuclear Chemistry
What branch of chemistry involves the study of elements and compounds that are not carbon based?
Inorganic Chemistry
Calculate this problem and write the answer in the appropriate amount of sig figs:
23.1 + 345.67 + .035 = ?
368.8
Calculate this problem and write the answer in the appropriate amount of sig figs:
25 x 125 x 10 x 50.00
2,000,000
Convert 25dm3 to mL.
25,000mL
What branch of chemistry involves the methods and processes that are done in order to measure the quantities of a given chemical element or compound.
Analytical Chemistry
What branch of chemistry involves the study of physical processes on the atomic level?
Physical Chemistry