Lecture 4 Flashcards
Chapter 3; Pages 8-10
1
Q
Water has 3 _____ and _____ forms
A
natural and unique
2
Q
Water is a ___ molcule
A
POLAR ( half pos half neg)
3
Q
Oxygen is more ____
A
electronegative ( more pull on the electrons)
4
Q
Polar Covalent
A
Sharing of pair of electrons UNEQUALLY
5
Q
Emergent Properties
A
6
Q
Cohesion
A
2 likes attracted to each other
7
Q
Adhesion
A
2 UNLIKES attract
8
Q
Surface Tension
A
resist external forces due to molecules
9
Q
Surface to water example
A
unlike
10
Q
water on water example
A
like
11
Q
Moderation of Temperature
A
AVG 57F
12
Q
Specific Heat
A
Amount of heat energy that it takes 1G of substance needs to raise temp 1 Centigrade/1cc.
13
Q
Water specific heat
A
1 calorie
14
Q
Alcholo specifc heat
A
.6 calorie
15
Q
Water vs Alcholol specific heat
A
Easier to change temp of alchollo than water
