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Chemistry I - Chapter 9

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  • X + O2 --> CO2 + H2O
    combustion
  • Which type of reaction is this? 4 Al + 3 O2 --> 2 Al2O3
    synthesis
  • Which type of reaction is this? 2 CO + O2 --> 2 CO2
    synthesis or combustion
  • Which of these are spectator ions? Ag+(aq) + NO3-(aq) + K+(aq) + Cl-(aq) --> AgCl (s) + K+(aq) + NO3-(aq)
    silver and chlorine
    nitrate and potassium
    nitrate and chlorine
    all ions are spectator ions
  • What state of matter is FeSO3?
    solid
  • Which type of reaction is this? CaO + H2O --> Ca(OH)2
    synthesis
  • Which type of reaction is this? 2 KOH --> K2O + H2O
    decomposition
  • _________ ____ are not included in net ionic equations.
    spectator ions
  • Which type of reaction is this? Pb(NO3)2 + 2 KI --> PbI2 + 2 KNO3
    double replacement
  • Elements and compounds on the left side of a reaction are called...
    reactants
  • Which type of reaction is this? AgNO3 + NaCl --> AgCl + NaNO3
    double replacement
  • Which type of reaction is this? CaCO3 --> CaO + CO2
    decomposition
  • Which type of reaction is this? K + NaCl --> Na + KCl
    single replacement
  • All compounds containing Group _ ions are soluble.
    1
  • Which of the following is soluble in water?
    PbCrO4
    AgNO3
    Pb(OH)2
    AgBr
  • What state of matter is KNO3?
    aqueous
  • A + BX --> AX + B
    single replacement
  • Acids are always _______.
    aqueous
  • What state of matter is Mg(OH)2?
    solid
  • Which type of reaction is this? 2 H2O2 --> 2 H2O + O2
    decomposition
  • A rotten smell coming from an apple is an example of a chemical reaction.
    true
    false
  • Which type of reaction is this? 2 NaN3 --> 2 Na + 3 N2
    decomposition
  • Which type of reaction is this? CH4 + 2 O2 --> CO2 + 2 H2O
    combustion
  • Elements and compounds on the right side of a reaction are called...
    products
  • What state of matter is Bi(OH)3?
    solid
  • Which type of reaction is this? Cl2 + 2 NaBr --> Br2 + NaCl
    single replacement
  • AX + BY --> AY + BX
    double replacement
  • What state of matter is H2SO4?
    aqueous
  • Balance this equation: _ Ni(NO3)3 + _ KBr --> _ NiBr3 + _ KNO3
    1 Ni(NO3)3 + 3 KBr --> 1 NiBr3 + 3 KNO3
  • Which of these are spectator ions? 2Rb+(aq) + 2F-(aq) + Cu2+(aq) + SO42-(aq) --> 2Rb+(aq) + SO42-(aq) + Cu2+(aq) + 2F-(aq)
    all ions are spectator ions
    copper and sulfate
    rubidium and copper
    fluorine and sulfate
  • Which type of reaction is this? Na + H2O --> NaOH + H2
    single replacement
  • What state of matter is AgNO3?
    aqueous
  • Ice melting is an example of a chemical reaction.
    true
    false
  • Two solutions mixing and immediately heating up is an example of a chemical reaction.
    true
    false
  • What state of matter is HCl?
    aqueous
  • The proper way to write an ionic compound...
    nonmetal, metal
    nonmetal, nonmetal
    metal, nonmetal
  • Which type of reaction is this? 4 Fe + 3 O2 --> 2 Fe2O3
    synthesis
  • What state of matter is FeBr3?
    aqueous
  • Balance this equation: _ HgO --> _ Hg + _ O2
    2 HgO --> 2 Hg + 1 O2
  • Which type of reaction is this? Zn + CuSO4 --> Cu + ZnSO4
    single replacement
  • Which of the following is not soluble in water?
    KCl
    H2SO4
    AlBr3
    PbCrO4
  • Which type of reaction is this? HCl + NaOH --> H2O + NaCl
    double replacement
  • The word 'solution' in a word equation indicates that the molecule is _______.
    aqueous
  • All acids are...
    insoluble
    soluble
  • Which type of reaction is this? C3H8 + 5 O2 --> 3 CO2 + 4 H2O
    combustion
  • A + B --> AB
    synthesis
  • What state of matter is H2S?
    aqueous (or gas)
  • What state of matter is MgSO3?
    aqueous
  • AB --> A + B
    decomposition
  • Balance this equation: _ Cr(NO3)3 + _ FeSO4 --> _ Fe(NO3)2 + _ Cr2(SO4)3
    2 Cr(NO3)3 + 3 FeSO4 --> 3 Fe(NO3)2 + 1 Cr2(SO4)3
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