Human Chemistry 9 (Water)

Question 1

Define Water:

Answer 1

An Inorganic Compound & the body’s most abundent substance

Question 2

Water makes uo how much body weighr?

Answer 2

75% of body weight

Question 3

The 4 Properties of Water

Answer 3

Solvency

Chemical Reactivity

Lubrication

Thermal Stability

Question 4

Define Solvency:

Answer 4

The ability to dissolve other chemicals

Question 5

Define Solvent:

Answer 5

The substance that dissolves a solute

Question 6

Define Solute:

Answer 6

The dissolved substance

Question 7

Define Solution:

Answer 7

A Solute mixed in a Solvent

Question 8

Water is known as the universal?

Answer 8

The universal solvent for being able to dissolve a bigger range of substances than other liquids

Question 9

Why can water dissolve solutes?

Answer 9

Polar charges on water molecules give water the ability to disrupt the ionic bonds of a variety of INORGANIC Compounds causing them to dissolve

Question 10

Chemical Reactions in the body depend on?

Answer 10

Depend on the solvency of water

Question 11

All chemical reactions in the body occur where?

Answer 11

In water

Question 12

What Catabolic Reaction involves water?

Answer 12

Hydrolysis

Question 13

What Anabolic Reaction involves water?

Answer 13

Dehydration Synthesis

Question 14

Define Lubrication

Answer 14

The reduction of friction

Question 15

How is friction reduced with water molecules?

Answer 15

Hydrogen bonds between water molecules constatly break and reform which reduces friction

Question 16

What does WATER lubricate in the human body?

Answer 16

Joints and Organs within body cavities

Question 17

How does water have Thermal stability?

Answer 17

Water has a HIGH heat capacity, water can ABSORB heat which helps stablize the internal temperature of the body