Chapter 1 - Key Study Of Chemistry

Question 1

What is Potencial energy?

Answer 1

The energy due to the position of the object.

Question 2

Phlogiston Theory

Answer 2

Proposed that combustible materials contain varying amount of an undetectable substances called phlogiston.

Question 3

Antoine Lavosier combustion theory.

Answer 3

• Heated mercury calx, decomposing it into mercury and gas whose combined masses equaled to the starting mass.
• Father of Chemistry

Question 4

Tera

Answer 4

10^12

Question 5

Giga

Answer 5

10^9

Question 6

Mega

Answer 6

10^6

Question 7

Kilo

Answer 7

10^3

Question 8

Hecto

Answer 8

10^2

Question 9

Deka

Answer 9

10^1

Question 10

Deci

Answer 10

10^-1

Question 11

Centi

Answer 11

10^-2

Question 12

Milli

Answer 12

10^-3

Question 13

Micro

Answer 13

10^-6

Question 14

Nano

Answer 14

10^-9

Question 15

Pico

Answer 15

10^-12

Question 16

Femto

Answer 16

10^-15

Question 17

Density

Answer 17

Mass/volume

Question 18

Kelvin - Celsius

Answer 18

C=K-273.15

Question 19

Farenheit - Celsius

Answer 19

C=5/9(F-32)

Question 20

Celsius - Farenheit

Answer 20

F= 9/5(C) + 32

Question 21

Celsius - Kelvin

Answer 21

K= C+273.15

Question 22

Systematic error

Answer 22

Produces values either higher or lower than the actual value

Question 23

Random error

Answer 23

Produces values that are higher AND lower than the actual value

Question 24

Precision

Answer 24

Also known as reproducibility.

Refers to how close the measurements in a series are to each other

Question 25

Acurracy

Answer 25

Refers how close is the measurement to the actual value

Question 26

What is kinetic energy?

Answer 26

The energy due to the motion of the object