Oranges, lemons, limes and grapefruits contain this mild acid.
What is citric acid.
100
Bases are also called this (which comes from an Arabic word which means "ashes of saltwort".)
What is alkaline.
100
When an acid reacts with a base it gives off these two products.
What is salt and water.
100
What number on the pH scale is considered neutral?
What is 7.
100
Chemist use this to determine how much acid is needed to neutralize a given amount of base. (or vice versa)
What is stoicheiometry
200
The word acid comes from the Latin word Acerbus or acidus and means this...
What is sour or sharp.
200
Name some general properties of a base.
What is slippery, soapy, bitter
200
All the acid-base reactions in the Arrhenius model are in this kind of solution.
What are aqueous solutions.
200
pH specifically describes the concentration of this in a solution.
What is hydrogen ions.
200
This process helps chemists find the unknown concentration of a substance by using a known concentration of some other substance.
What is titration.
300
Define an Arrhenius acid.
What is an acid that releases only one hydrogen ion.
300
Arrhenius bases generates these.
What are hydroxide ions.
300
This word describes the number of "things" in a solution.
What is concentration.
300
True or False: Lemons, oranges, and tomatoes have a pH between 7 and 10. Explain your answer.
What is false. They are all acidic foods and would therefore have a pH between 2-5.
300
How do you know when you have reached the endpoint in a titration?
What is the pH of the solution does not change anymore.
400
True or False:
Acetic and hydrochloric acids are both polyprotic acids.
Explain your answer.
What is false. They are Arrhenius acids which are monoprotic - giving off only one hydrogen ion.
400
Some Arrhenius bases generate hydroxide ions by grabbing this element from a water molecule.
What is hydrogen
400
Chemists refer to concentration in terms of this.
What is molarity.
400
Ammonia and baking soda would have a high or low pH number? Why?
What is high pH number because both are examples of bases and bases pH is between 8-14.
400
What is it called when the amount of acid equals the amount of base?
What is the equivalence point.
500
True or False : Polyprotic acids give off more than one oxygen ion.
Daily double: Does a polyprotic acid release its ions one at a time or all at once.
False: What is more than one hydrogen ion.
A polyprotic acid release one hydrogen ion at a time.
500
How would you know if a base is strong?
What is that strong bases ionize or break up completely.
500
1. Concentrated acids have lots of these.
2. Concentrated bases have lots of these.
What is 1. hydrogen ions and 2. hydroxide ions.
500
What is the difference between a weak acid and a strong one?
What is weak acids do not ionize completely and strong acids do ionize completely.
500
True or False
A pH > 7 shows the equivalence point for a titration of a strong acid and a weak base.
False: it would be a weak acid and strong base because the base has a pH greater than 7.