a liquid with a dissolved substance picked up as the liquid passes through old landfills
100
What are the three types of water contaminants?
Physical contaminants, Chemical Contaminants, Biological Contaminants
100
Name two property for acids and bases.
Acids: taste sour, conducts electricity, turn blue litmus red, produces hydrogen gas
Bases: taste bitter, conducts electricity, turns red litmus blue, do not react with alkaline metals.
100
What is a dilute solution?
a solution where the quantity of solute is low, compared to the quantity of solvent
100
Who won the final Gold medal in the 2010 Winter Olympics for team Canada?
Sidney Crosby
200
How are leachates formed?
Leachates are formed when bodies of water travel through old landfills, extracting any metal contaminants.
200
What is the goal of water treatment?
The goal of water treatment is not to purify the water but to make it potable (safe to drink)
200
What range is the pH of an acid?
0 - 7 pH
200
What is concentration?
Concentration is the ratio of the quantity of solute to the quantity of solvent
200
Who won the 2006 Fifa World Cup
Italy
300
How do leachates get into water systems
Leachates enter through the water system by leaking into groundwater (aquifer)
300
Name one environmental and social cost of not properly maintaining a water purification plant.
Environmental costs: it pollutes bodies of water.
Social costs: health issues such as brain development issues in children
300
When the Arrhenius theory of acids and bases were intoduced what was he unsure of?
He was unsure that an acid base neutralization reaction involving ammonia does not release hydroxide ions.
300
Balance the following equation
(ONLY ONE MINUTE TO ANSWER)
SiCl4 + H2O ----> H4SiO4 + HCl
SiCl4 + 4 H2O ---> H4SiO4 + 4 HCl
300
A cowboy rode into town on Friday, stayed three days, and rode out again on Friday. How did he do that?
His horses name is friday!
400
Leachates are a threat because they kill aquatic life, and harm humans since humancs consume fishes, crabs etc.
Why do leachates pose a threat?
400
What does MAC stand for?
Maximum acceptable concentration
400
What are the names of 3 men that proposed throries on acids and bases **put your books away**
Svante Arrhenius
Johannes Bronsted
Thomas Lowry
400
What are the units for the following:
- concentration
- molar mass
- volume
- mol / L
- mol/g
- L
400
What's Lord Voldemorts full name?
Tom Marvolo Riddle
500
How are Leachates treated
Landfills are designed to collect leachates. Once leachates are collected pumped from the sump into the treatment tanks
500
What is the purpose Fluoridation used for?
The purpose is to add fluorine to water since it makes the enamel layer of teeth more resistant to decay
500
What is the acid found in your stomach?
Hydrochloric acid (HCl)
500
Give the steps to determine the net ionic equation
1) formula equation
2) total ionic equation
3) determine the spectator ions
4) net ionic equation