test 2

Question 1

name the phases of matter

Answer 1

solid, liquid, gas and plasma

Question 2

name the 3 types of movements

Answer 2

vibrational, rotational, translational

Question 3

which motion is present in all 3 states of matter

Answer 3

vibrational

Question 4

vibrational motion is the BLANK of the atoms in a molecule around a fixed point

Answer 4

OSCILLATION

Question 5

when can vibrational motion occur

Answer 5

due to compression or stretching of bonds between atoms or by changing the angle of the bonds

Question 6

which motion is present in liquids and gases

Answer 6

rotational

Question 7

explain rotational motion

Answer 7

turns on its own axis in 3 ways = x, y, and z axes

Question 8

which motion is present in gases and ish liquids

Answer 8

translational motion

Question 9

which state of matter is compressible and does NOT have a determinate volume

Answer 9

gas

Question 10

which state of matter has a determinate shape

Answer 10

solid

Question 11

gas particle are BLANK of each other

Answer 11

INDEPENDENT

Question 12

the higher the BLANK the higher the kinetic energy the higher the BLANK

Answer 12

temperature and particle velocity

Question 13

list the abilities of gases

Answer 13

compressed, expand, diffusion

Question 14

diffusion is a BLANK process and all gases diffuse at a BLANK rate why

Answer 14

SLOW and DIFFERENT (depends on the mass of the gas particles smaller=faster)

Question 15

GRAHAMS LAWrate of diffusion formula is what and what UNITS

Answer 15

GRAHAMS LAW = V1/V2= square root M1/M2
V= rate of diffusion (m/s)
M= molar mass (g/mol)

Question 16

explain the acronyms STP and SATP

Answer 16

STP= Standard Temperature and Pressure
STAP= Standard Ambient Temperature and Pressure

Question 17

STP is what and STAP is what

Answer 17

STP is 0celcius and pressure 101.3 kPa
STAP is 25celcius and pressure 101.3kPa

Question 18

formula of kinetic energy

Answer 18

Ek= 1/2mv to the power of 2

Question 19

two gases with the BLANK conditions have the same PRESSURE regardless of particle size

Answer 19

SAME

Question 20

formula pressure and units!

Answer 20

P= F/A
P= pressure (N/m squared) or pascals(P)
F= force Newtons (N)
A= area m squared

Question 21

atmospheric pressure is what unit and equal to what

Answer 21

101.3 kPa = 760 mm Hg = 1 atm

Question 22

what are the main factors that affect the volume of a gas

Answer 22

temperature and pressure

Question 23

how to convert celcius to kelvin (K)

Answer 23

ADD 273 to the temp in celcius

Question 24

what is CHARLE’S LAW and units

Answer 24

V1/T1 = V2/T2
V=volume (L or mL)
T=temperature (K)
also V/T=K

Question 25

in CHARLE'S LAW when temp goes up volume goes BLANK

Answer 25

UP (directly proportional)

Question 26

high pressure = BLANK volume and low pressure = BLANK volume

Answer 26

low then high

Question 26

what is BOYLE'S LAW and units

Answer 26

P1V1 = P2V2 P= pressure V= volume

Question 27

whats a barometer

Answer 27

used exclusively to measure the atmospheric pressure

Question 28

how to calculate with a closed end manometer

Answer 28

just calculate the height (the difference between the closed end and the ball end)

Question 29

how to calculate with a open end manometer

Answer 29

do the height thing but add the P atm.

Question 30

when calculated with the meters remember to!!

Answer 30

change cm Hg to mm Hg if needed