Dressen1-Quick Quiz - Acids and Bases

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Slide 1:

Quick Quiz Acids and Bases

Slide 2:

Acids taste ______ and bases taste _______? Sour, bitter $1

Slide 3:

A hydrogen atom attached to water molecule is known as a ….. Hydronium ion, H 3 O + $1

Slide 4:

Acids have a pH less than _____, and bases have a pH more than _______. Seven $1

Slide 5:

Bases feel _____ when you touch them. Soapy or slippery $1

Slide 6:

HF is called ________. Hydrofluoric acid $1

Slide 7:

Strong acids and bases react to form a ______ and _____. Salt, water $2

Slide 8:

Acid - Substances in water that increase the concentration of hydrogen ions (H + ). Arrhenius, Bronstad-Lowry, or Lewis definition? $2

Slide 9:

$4 What is the Lewis definition of an acid and a base? Acid - an electron pair acceptor Base - an electron pair donor

Slide 10:

What is the Bronstad Lowry definition of an acid and a base? Acid - neutral molecule, anion, or cation that donates a proton. Base - neutral molecule, anion, or cation that accepts a proton. $4

Slide 11:

HCl + H 2 O  H 3 O + + Cl - Which species is the conjugate acid? $2 H 3 O +

Slide 12:

HCl + H 2 O  H 3 O + + Cl - Which species is the base? $2 H 2 O

Slide 13:

HCl + H 2 O  H 3 O + + Cl - Which species is the acid? HCl $1

Slide 14:

Acids that can donate two or more protons are known as ____. Polyprotic $1

Slide 15:

A salt is the ________ product of an acid and a base. neutralization $2

Slide 16:

Kw = [H 3 O + ] [OH - ] = ??????? 1.0 x10 -14 M $1

Slide 17:

pH + ???? = 14 pOH $1

Slide 18:

Vinegar, acid or base? What is the chemical name for the active chemical in vinegar? Acid, acetic acid $2

Slide 19:

Ammonia, acid or base? What is the chemical formula for ammonia? Base, NH 3 $2

Slide 20:

True or False. Hydrogen bonds are about 20 times stronger than covalent bonds False $1

Slide 21:

Is ice more dense or less dense than liquid water? Less dense $1

Slide 22:

If I have a [H + ] concentration of 1 x 10 13 , what is the pH? 13 $1

Slide 23:

What is the pH of a solution if the [H 3 O + ] is 3.4 x 10 -5 M ? pH = -log [H 3 O + ] = -log(3.4 x 10 -5 ) = 4.47 $4