How can we help?

You can also find more resources in our Help Center.

38 terms

Chemistry

ch 8-12 test
STUDY
PLAY
According to the Arrhenius concept, if were dissolved in water, it would act as
an acid
The name given to an aqueous solution of HBr is
hydrobromic acid.
Which one of the following is characteristic of a base?
has a slippery, soapy feel
Which one of the following is characteristic of an acid
produces in water
According to the Bronsted-Lowry definition,
a base is a proton acceptor
Identify the Bronsted-Lowry acid in the following reaction.
h20
The correct formula for sulfuric acid is
h2s04
the name of al(oh)3 is
aluminum hydroxide.
The conjugate acid of h20 is
h30+
the conjugate base of h20 is
oh-
Which of the following statements correctly describes the hydronium-hydroxide balance in the given solution?
In bases, [oh- ] is greater than [h30+ ].
For kw , the product of [ h30+] and [ oh-] is
1.0x10-14
What is the [h30+ ] in a solution with oh- ] =1x10-12m ?
1.0x10-2m
What is the [ OH-] in a solution that has a [H30+ ] = 1x10^-6m ?
1x10^6m
) A solution with a pH of 4 is
moderately acidic.
What is the pH of a solution with [h30+ ] = 10x^-9m ?
9.0
What is the pH of a solution with [OH- ] =1x10^-4m ?
10.0
The [h30+ ] of a solution with pH = 2.0 is
10x^-2m
Which of the following is the strongest acid?
HCI
A solution with [OH- ] of 5x10^-3 has a pH of ________
11.7
The [H30+ ] of a solution with pH = 9.7 is
2x10^-10m
Which of the following is correctly identified?
NaOH, strong base
Ammonium hydroxide is a weak base because
it dissociates only slightly in water.
An acid and base react to form a salt and water in a(n) ________ reaction.
Neutralization
In a neutralization reaction
an acid and a base react to form a salt and water.
Which of the following is the correctly balanced equation for the complete
neutralization of h3p04 wit ca(oh)2 ?
2h3p0+3ca(oh)2---> ca3p04)2+6h203
The neutralization reaction between al(oh)3 and nh03 produces the salt with the formula
al(n03)3
Which of the following is a neutralization reaction?
HN0+K0H-->h20 + KN03
The function of a buffer is to
maintain the pH of a solution.
The normal blood pH is about
7.4
In a buffer system of HF and its salt, NaF,
the HF neutralizes added base.
Which of the following is a buffer system?
h2c03 & khco3
Which of the following could be a buffer?
hf + naf
What is the name of the medical condition of an asthmatic patient with a blood pH of 7.30?
respiratory acidosis
If a condition of hypoventilation occurs, the blood pH of the patient is expected to
decrease
When hyperventilation (rapid breathing) causes a patient to exhale large amounts of co2 , the blood pH rises in a condition called
respiratory alkalosis.
25.0 mL of 0.212 M NaOH is neutralized by 13.6 mL of an HCl solution. The molarity of the NaOH solution is
0.390 M.
A 10.0 mL of 0.121 M is neutralized by 17.1 mL of KOH solution. The molarity of the KOH solution is
0.142 M.