Chapter 9 Chemistry – Flashcards
Unlock all answers in this set
Unlock answersquestion
Sulfurous acid
answer
H₂SO₃
question
Sulfuric acid
answer
H₂SO₄
question
Diboron tetrachloride
answer
B₂Cl₄
question
Hydrofluoric acid
answer
HF
question
Nitrous acid
answer
HNO₂
question
Nitric acid
answer
HNO₃
question
Cobalt (III) sulfate
answer
Co₂(SO₄)₃
question
Iron (II) Carbonate
answer
FeCO₃
question
What is the correct formula and charge for an ion of nitride?
answer
NH³⁻
question
Na₂O +H₂O→NaOH
answer
1Na₂O+1H₂)→2NaOH
question
C₃H₆+O₂→CO₂+H₂O
answer
2C₃H₆+9O₂→6CO₂+6H₂O
question
Which of the following equations represents the balanced equation for the reaction of iron and oxygen? a. 2Fe + O₂→ Fe₂O₃ b. 3Fe + 3O2 → 2Fe2O₃ c. Fe + 3O₂ → Fe2O₃ d. 4Fe + 3O₂ → 2Fe2O₃
answer
D
question
Which equation is not balanced? a. 4H₂ + 2O₂ → 4H₂O b. 2H₂ + O₂ → 2H₂O c. 2H₂ + O₂ → H₂O d. H₂ + H₂ + O₂ → H₂O + H₂O
answer
C
question
HNO₃ →H₂O + N₂O₅
answer
2
question
NaOH + Cu(NO3)2 → Cu(OH)2 + NaNO3 a. 1, 2, 2, 1 b. 1, 1, 1, 1 c. 2, 1, 2, 1 d. 2, 1, 1, 2
answer
D
question
The complete balanced equation for the reaction between zinc hydroxide and acetic acid is a. ZnOH + HC2H3O2 → ZnC2H3O2 + H2O. b. Zn(OH)2 + 2HC2H3O2 → Zn + 2CO2 +3H2O. c. Zn(OH)2 + 2HC2H3O2 → Zn(C2H3O2)2 + 2H2O. d. Zn(OH)2 + 2HC2H3O2 → Zn(C2H3O2)2 + H2 + O2.
answer
C
question
Al + PbO2 → Al2O3 + Pb A. 36 B. 24 C. 48 D. 11 E. 12
answer
E
question
Does this reaction occur? 2 AlI₃ + 3 HgCl₂ →
answer
Yes
question
Cu(OH)₂ + HC₂H₃O₂ →
answer
Yes
question
Synthesis
answer
A+B→AB
question
Decomposition
answer
AB→A+B
question
Single Replacment
answer
A+BC→AC+B
question
Double Replacement
answer
AB+CD→AD+CB
question
Combustion
answer
Fuel+O₂→CO₂+H₂O
question
N₂+H₂→NH₃
answer
Synthesis
question
KClO₃→KCl+O₂
answer
Decomposition
question
NaCl+F₂→NaF+Cl₂
answer
Single Replacment
question
H₂+O₂→H₂O
answer
Synthesis
question
Pb(OH)₂+HCl→H₂O+Pb₂Cl
answer
Double Replacement
question
Which of the following is not incorporated into a net ionic equation? a. precipitates b. solids c. liquids d. spectator ions
answer
D
question
Sugar is soluble in water because sugar molecules are: a. massive b. large c. nonpolar d. polar
answer
D
question
Determine the missing reactant for the following combustion reaction: 2 _____ + 15O₂→ 14CO₂ + 6H₂O. a. C₇H₆O₂ b. C₇H₆ c. C₁₄H₁₂ d. C₁₄H₁₂O₄
answer
A
question
Which equation is not balanced? a. H₂ + H₂ + O₂ → H₂O + H₂O b. 2H₂ + O₂ → ₂H₂O c. 2H₂ + O₂ → H₂O d. 4H₂ + 2O₂ → 4H₂O
answer
C
question
The complete balanced equation for the reaction between zinc hydroxide and acetic acid is Select one: a. Zn(OH)₂ + 2HC₂H₃O₂ → Zn + 2CO₂ +3H₂O b. ZnOH + HC₂H₃O₂ → ZnC₂H₃O₂ + H₂O c. Zn(OH)₂ + 2HC₂H₃O₂ → Zn(C₂H₃O₂)₂ + H₂ + O₂ d. Zn(OH)₂ + 2HC₂H₃O₂ → Zn(C₂H₃O₂)₂ + 2H₂O
answer
D
question
Which set of coefficients will balance the equation below? NaOH + Cu(NO₃)₂ → Cu(OH)₂ + NaNO₃ a. 1, 2, 2, 1 b. 2, 1, 1, 2 c. 2, 1, 2, 1 d. 1, 1, 1, 1
answer
B
question
Which coefficients correctly balance the formula equation CaO + H₂O → Ca(OH)₂? Select one: a. 1, 2, 1 b. 2, 1, 2 c. 1, 1, 1 d. 1, 2, 3
answer
C
