chapter 13 water: rivers of life; seas of sorrows

Chapter 13 Water: Rivers of Life; Seas of Sorrows

James A. Noblet

California State University

San Bernardino, CA

2007 Prentice Hall

Chemistry for Changing Times, 11th edition

John W. Hill and Doris K. Kolb

The molecular interaction most responsible for the unique properties of water is(are)______.

1. Dipole forces2. Hydrogen

bonding3. Dispersion

forces4. Covalent

bonding5. Ionic bonding

The molecular interaction most responsible for the unique properties of water is(are)______.

1. Dipole forces2. Hydrogen

bonding3. Dispersion

forces4. Covalent

bonding5. Ionic bonding

The atmospheric gas that is very soluble in water and makes natural rainwater slightly acidic is_______.

1. Nitrogen

2. Carbon dioxide

3. Sulfur dioxide

4. Ozone

5. Oxygen

CO2(g) + H2O (l) → H2CO3 (aq) → H+(aq) + HCO3

-(aq)

The atmospheric gas that is very soluble in water and makes natural rainwater slightly acidic is_______.

1. Nitrogen

2. Carbon dioxide

3. Sulfur dioxide

4. Ozone

5. Oxygen

A common concentration unit used in drinking water standards is mg/L, which is also commonly called______.

1. Percent

2. ppm

3. ppb

4. ppt

5. Molarity

A common concentration unit used in drinking water standards is mg/L, which is also commonly called______.

1. Percent

2. ppm

3. ppb

4. ppt

5. Molarity

The most common method used for disinfection of municipal drinking water is _______.

1. Ozonation2. Filtration3. Ultraviolet light4. Chlorination5. Pasteurization???

The most common method used for disinfection of municipal drinking water is _______.

1. Ozonation2. Filtration3. Ultraviolet light4. Chlorination5. PasteurizationChlorine

Wastewater treatment that uses trickling filters or activated sludge to remove dissolved organics and suspended solids

is known as_______.

1. Primary

2. Secondary

3. Tertiary

4. Quaternary

5. Advanced

Wastewater treatment that uses trickling filters or activated sludge to remove dissolved organics and suspended solids

is known as_______.

1. Primary

2. Secondary

3. Tertiary

4. Quaternary

5. Advanced