unit 3a chemistry warm up pg 141

1. it increases 

2. hydrogen 

3. negative 

4. more then one ion , coloued compounds , make useful catalysts 

1. water doesnt form a leahter with soap , water forms scale on the indside of pipes , water that contains lots of calcium and magnesuim 

2. a furring on the inside of pipes mostly calcium carbonate 

3. temporay hardness and permanet hardness 

4. by distalation eg bolling water condenstating the steam 

1. they are the same 

2. it increases the amount of products 

3. ion 

4. they are recycled and used to produce more proudct 

5. c^ h"  oh 

6. metanonic acid ehtnaoic acid propanoic acid