Study

Chemical Reactions

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  • Give the name and calculate the relative mass: FeCl3
    Iron (III) chloride, 162.2
  • Balance the equation (using integer coefficients) and identify what type of reaction: Fe(OH)3 = Fe2O3 + H2O
    2Fe(OH)3 = Fe2O3 + 3H2O, decomposition
  • Balance the equation (using integer coefficients) and identify what type of reaction: C2H6 + O2 = CO2 + H2O
    2C2H6 + 7O2 = 4CO2 + 6H2O, combustion
  • Will a reaction occur when a copper metal is dipped into a solution of hydrochloric acid? If yes, show the balanced equation
    No, Cu is less reactive than H
  • Give the name and calculate the relative mass: Pb(NO3)2
    lead (II) nitrate, 331.22
  • Give the name and calculate the relative mass: CH3COOH
    acetic acid/ethanoic acid, 60.052
  • Give the name and calculate the relative mass: Mg(OH)2
    magnesium hydroxide, 58.326
  • Give the name and calculate the relative mass: CCl4
    carbon tetrachloride, 153.81
  • Balance the equation (using integer coefficients) and identify what type of reaction: C6H12O6 + O2 = CO2 + H2O
    C6H12O6 + 6O2 = 6CO2 + 6H2O, combustion
  • Give the name and calculate the relative mass: SO2
    sulfur dioxide, 64.06
  • Give the name and calculate the relative mass: H3PO4
    phosphoric acid, 97.994
  • Give the name and calculate the relative mass: Cl2
    Chlorine, 70.9
  • Give the name and calculate the relative mass: KOH
    potassium hydroxide, 56.108
  • Give the name and calculate the relative mass: UF6
    Uranium (VI) fluoride, 352
  • Describe what happens in a synthesis reaction
    Two reactants (elements or compounds) form a single product
  • Balance the equation (using integer coefficients) and identify what type of reaction: SO3 + H2SO4 = H2S2O7
    SO3 + H2SO4 = H2S2O7, synthesis/combination
  • Give the name and calculate the relative mass: (NH4)2SO4
    ammonium sulfate, 132.144
  • Will a reaction occur when a copper metal is dipped into a solution of silver nitrate? If yes, show the balanced equation
    Yes, Cu + 2AgNO3 = Cu(NO3)2 + 2Ag
  • Describe what happens in a decomposition reaction
    A single reactant (compound) breaks down to form two or more products
  • Give the name and calculate the relative mass: BF3
    Boron trifluoride, 67.81
  • Balance the equation (using integer coefficients) and identify what type of reaction: KI + Cl2 = KCl + I2
    2KI + Cl2 = 2KCl + I2; single replacement
  • When will a single displacement reaction not occur?
    When the free element is less reactive than the other element in the compound
  • Balance the equation (using integer coefficients) and identify what type of reaction: Al + Cu(NO3)2 = Al(NO3)3 + Cu
    2Al + 3Cu(NO3)2 = 2Al(NO3)3 + 3Cu, single replacement
  • Balance the equation (using integer coefficients) and identify what type of reaction: HCl + NaOH = NaCl + H2O
    HCl + NaOH = NaCl + H2O, double replacement
  • Give the name and calculate the relative mass: BeCl2
    Beryllium Chloride, 79.912
  • Give the name and calculate the relative mass: Ga2(SO3)3
    gallium sulfite, 379.62
  • Balance the equation (using integer coefficients) and identify what type of reaction: AgBr = Ag + Br2
    2AgBr = 2Ag + Br2, decomposition