Unit 3 Day2/3

Question 1

Gas(shape and volume)

Answer 1

Take shape and vol of container

Question 2

Liquid (shape and volume)

Answer 2

Set vol take shape container

Question 3

Solid (shape and volume)

Answer 3

Set volume set shape

Question 4

What si the most dense substances

Answer 4

Solid

Question 5

When is gas pressure higher than atm

Answer 5

When atm is at a higher triangle h(enthalpy)

Question 6

1 atm =

Torr

Answer 6

760 torr

Question 7

1 atm=

How many mmHg?

Answer 7

760 mmhg

Question 8

1 atm =

Bar?

Answer 8

1.01325 bar

Question 9

1 kp =

How many Pa?

Answer 9

10^3 Pa

Question 10

1 bar =

How many Pa?

Answer 10

10^5 pa

Question 11

Boyles law

Answer 11

P1(V1) = P2(V2)

Question 12

Charles law

Answer 12

v1/T1 = V2/T2

(T must be in K)

Question 13

Room temp in Celsius and k

Answer 13

25 degrees C
298 K

Question 14

STP

Answer 14

1 atm and 273 K

Question 15

Avogadros law

Answer 15

V1/n1 = V2/n2

Question 16

1 bar =

How many Pa

Answer 16

1 bar =10^5 Pa

Question 17

Theory

Answer 17

Concept that explains why

Question 18

Scientific law

Answer 18

math makes predictions

Question 19

One mol of any ideal gas….l

Answer 19

Occupies 24 L at STP

Question 20

Number density

Answer 20

Mols/vol

Question 21

Mass density

Answer 21

Mass/vol

Question 22

Combustion formula

Answer 22

CxHy + O2 => CO2 + 2H2O

Question 23

Molar mass formula

Answer 23

Mass/ moles

Question 24

Gay Lusacs law

Answer 24

P1/T1 = P2/T2

Question 25

If 2 different molecules have the same vol, pressure, and temp, how many moles does it have

Answer 25

Same number of moles regardless of molecule

Question 26

Constant

Answer 26

Same for both

Question 27

Have no fear of ice cold beer

Answer 27

H2
N2
F2
O2
I2
Cl2
Br2

Question 28

Density

W correct units

Answer 28

Mass/ vol

Grams over liters

Question 29

For a given volume what has the least possible surface area

Answer 29

A spher

Question 30

What is the most stable situation for surface area

Answer 30

One where surface area is minimal, that’s why droplets bead up so they touch the surface less

Question 31

Surface tension describes

Answer 31

The inward force that must be overcome in order to expand the surface area of a liquid

Question 32

What leads to larger boiling point in molecule?

(Size)

Answer 32

Large BP means large radius of elements in molecule(ONLY IF THEY HAVE THE SAME IMF INITIALLY)

Question 33

The vapor pressure of all liquids…

Answer 33

Increases with temp

Question 34

As KE(temp) increases, what happens to the rate of evaporation

Answer 34

It increases

Question 35

As KE(temp) increases, what happens to the rate of condensation

Answer 35

It decreases

Question 36

At room temp, a liquid with high VP is called

Answer 36

Volatile, because it can be easily evaporated at a normal temp

Question 37

What type of solid is formed in layers(covalent bonds)

Answer 37

Molecular

Question 38

what happened to the e- in metallic solids

Answer 38

They are delocalized, have resonance

Question 39

Why is I2 more polarizable than H2

Answer 39

It has a larger radius, electrons are more widespread from the nucleus, therefore easier to distort the electron cloud

Question 40

1 atm = how many kpa?

Answer 40

101.325 kPa

Question 41

1 cubic centimeter equals how many liters

Answer 41

.001 liters

Question 42

The smallest amount you produce in a limiting reactant problem is

Answer 42

The total amount that is able to be produced by the whole problem

Question 43

Density formula, with ideal gas law with pressure

Answer 43

Density = p(mm)/RT

Question 44

Density formula, with idea, gas law moles(n)

Answer 44

Density = n(mm)/v

Question 45

What is the unit of mm for density formula

Answer 45

Grams/mol