test on chapters 1-2

Question 1

the mass of our copper taken was 2.47g. The volume was 0.314ml and the density was 0.314. The tokens turned from copper to silver and then to gold. which data is quantitative?

a. tokens color
b. tokens mass, volume, and density

Answer 1

b. tokens mass volume and density

Question 2

a scientist from the field of _______ chemistry would investigate a new form of packaging material to determine if it breaks down rapidly in the environment

Answer 2

evironmental

Question 3

what branch of chemistry would study the composition of a new textile fiber?

Answer 3

polymer

Question 4

what branch of chemistry would study the digestion of food in the human body?

Answer 4

biochemistry

Question 5

how many kilometers are in 6200 meters?

Answer 5

6.2

Question 6

when converted, 3.21ml is the same as how many L?

Answer 6

0.00321

Question 7

what is the prefix for 10^6?

Answer 7

mega

Question 8

what is the power equivilant for d?

Answer 8

10^-1

Question 9

what is the symol for Giga

Answer 9

G

Question 10

what is the SI unit for mass?

Answer 10

kilograms

Question 11

what is the SI unit for length?

Answer 11

meter

Question 12

systematic approach to problem solving that converts from one unit to another

Answer 12

dimensional analysis

Question 13

defined by a combonation of base units

Answer 13

derived unit

Question 14

how close a series of measurements are to one another

Answer 14

percision

Question 15

how close a measured value is to an accepted value

Answer 15

accuracy

Question 16

a ratio of equivilant values having different units w the purpose of cancelling out on unit and introducing a new one

Answer 16

conversion factor

Question 17

defined unit ina system of measurements that is based on an object or event in the physical world

Answer 17

base unit

Question 18

the differe between an experimental value and an acceped value

Answer 18

error

Question 19

includes all kown digits plus one estimated digit

Answer 19

sig figs