Homework #12: Day 1-5 Review

Which substances always form when an Arrhenius acid reacts with an Arrhenius base? Choose two

• CO₂

• H₂

• CH₃OH

• H₂O

• salt

Which equation represents a neutralization reaction?

• 
  6HClO ---> 4HCl + 2HClO₃

• 
  CH₄ + 2O₂ ---> CO₂ + 2H₂O

• 
  Ca(OH)₂ + H₂SO₄ --->
  CaSO₄ + 2H₂O

• Ba(OH)₂ + Cu(NO₃)₂ --> Ba(NO₃)₂ + Cu(OH)₂

Which type of reaction occurs when an Arrhenius acid reacts with an Arrhenius base to form a salt and water?

• combustion

• decomposition

• neutralization

• saponification

Which type of reaction occurs when H⁺(aq) reacts with OH^–(aq)?

• combustion

• decomposition

• neutralization

• saponification

Which solution reacts with LiOH(aq) to produce a salt and water?

• KCl(aq)

• CaO(aq)

• NaOH(aq)

• H₂SO₄(aq)

HBr(aq) + NaOH (aq) --> _____ + _______

• NaH

• HNa

• NaBr

• H₂O

• BrNa

HI(aq) + LiOH (aq) --> _____ + _______

• LiH

• HLi

• LiI

• HOH

• ILi

Identify the positive ion in the sample of HCl(aq). (Choose 3)

• hydronium ion

• H₃O⁺

• H⁺

• OH^-

• hydroxide ion

A sample of seawater has a pH of 8. Determine the new pH of the sample if the hydrogen ion concentration is increased by a factor of 100.

• 6

• 8

• 10

• 7

• 9

State the pH value of a sample that has ten times fewer hydronium ions than an equal volume of a vinegar sample with a pH value of 2.4.

• 3.4

• 1.4

• 2.4

• 4.4

• 0.4