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acids and bases
questions over acids and bases
48
Chemistry
10th Grade
05/02/2011

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Term
What is the ion product constant for Water?
Definition
1 x 10 to the negative fourteen
Term
When an acid is added to water, H + ____and OH-_____.
Definition
increases; decreaes
Term
If a baes is added to water, what happens?
Definition
it releases hydroxide ions
Term
Bases are also known as _____.
Definition
alkaline solutions
Term
How do you find pH?
Definition
ph= -log(H plus)
Term
how do you find pOH?
Definition
-log(OH minus)
Term
what does ph + pOH?
Definition
14
Term
(H+) x (OH-) =______
Definition
 1 x 10 -14
Term
Baes are classified as strong and weak based on the______.
Definition
the degree to which they ionize in water
Term
How much do strong acids ionize in water?
Definition
completely ionize
Term
How much does weak acids ionize?
Definition
they ionize slightly
Term
What is another word for acid dissasocciation constant (Ka)?
Definition
ionization constant
Term
A large ionization constant represents a _____.
Definition
strong acid
Term
A small ionoization constant indicates a ____>
Definition
weak acid
Term
_____dissociate completlely.
Definition
strong bases
Term
_____don't dissociate much.
Definition
weak bases
Term

What is base dissociation constant represented by?


Definition
Kb
Term
A _____has large Kb. A ______has a small Kb.
Definition
strong base; weak base
Term
_____and_____refer to the moles of acid or base in a given volume of a solution.
Definition
concentrated and dilute
Term
____and____refer to the extent of ionization of an acid or base.
Definition
strong and weak
Term
How did arrhenius define an acid?
Definition
a compound that produces hydrogen ions when dissolved in water
Term
HOw id arrhenius define a base?
Definition
a compound that produces hydroxide ions when dissolved in water
Term
Monoprotic acids contain______.
Definition
one ionizable hydrogens
Term
if a compound contains a hydrogen is it defintitely an acid?
Definition
no
Term
What is the Bronstead-Lowry definition of a an acid?
Definition
a hydrogen ion donor
Term
What is the Bronstead Lowry defintion of a base?
Definition
hydrogen ion acceptor
Term
What is a conjugate acid?
Definition
the particle formed when a base gains an H plus ion
Term
What is an example of a conjugate acid? 
Definition
NH4
Term
What is an example of a conjugate base?
Definition
the particle that remains when an acid has donated a hydrogen ion
Term
What does amphoteric mean?
Definition
a substance that can act as both an acid and a base
Term
What is a Lewis acid?
Definition
a substance that can accept a pair of electrons to form a covalent bond
Term
What is a Lewis base?
Definition
a substance that can donate a pair of electrons to form a covalent bond
Term
what are the properties of acids?
Definition
react with bases to form salt in water, sour taste, change indicator colors
Term
What are the properties of bases?
Definition
bitter taste, change indicator color, react with acid to form salt in water
Term
In a diprotic acid,you will have two _____.
Definition
acid dissociation constants
Term
If the Ka > 1, it is a ____acid or base.
Definition
strong
Term
If the Ka<1 it is a _____acid or base.
Definition
weak
Term
When naming acids and bases, ate goes to ____and ite goes to _____.
Definition
ic; ous
Term
HCl represents______.
Definition
hydrochoric acid
Term
H2SO3 represents _________.
Definition
sulfurous acid
Term
HBr represents______.
Definition
hydro bromic acid
Term
H3PO4 represents ______.
Definition
phosphoric acid
Term
HClO2 represents ______.
Definition
chlorous acid
Term
When is hyrdro used when naming acids?
Definition
when there are two elements
Term
if the H plus is > than 1 x 107 then the substance is _____.
Definition
an acid
Term
If the H plus< 1 x 10-7 then the substance is a ____.
Definition
base
Term
If the PH < 7, the substance is ____.
Definition
acidic
Term
If the ph is >7 the substance is ____.
Definition
basic
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