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Chemical Reactions
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Give the name and calculate the relative mass: FeCl3
Iron (III) chloride, 162.2
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Balance the equation (using integer coefficients) and identify what type of reaction: Fe(OH)3 = Fe2O3 + H2O
2Fe(OH)3 = Fe2O3 + 3H2O, decomposition
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Balance the equation (using integer coefficients) and identify what type of reaction: C2H6 + O2 = CO2 + H2O
2C2H6 + 7O2 = 4CO2 + 6H2O, combustion
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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
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Give the name and calculate the relative mass: Pb(NO3)2
lead (II) nitrate, 331.22
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Give the name and calculate the relative mass: CH3COOH
acetic acid/ethanoic acid, 60.052
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Give the name and calculate the relative mass: Mg(OH)2
magnesium hydroxide, 58.326
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Give the name and calculate the relative mass: CCl4
carbon tetrachloride, 153.81
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Balance the equation (using integer coefficients) and identify what type of reaction: C6H12O6 + O2 = CO2 + H2O
C6H12O6 + 6O2 = 6CO2 + 6H2O, combustion
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Give the name and calculate the relative mass: SO2
sulfur dioxide, 64.06
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Give the name and calculate the relative mass: H3PO4
phosphoric acid, 97.994
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Give the name and calculate the relative mass: Cl2
Chlorine, 70.9
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Give the name and calculate the relative mass: KOH
potassium hydroxide, 56.108
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Give the name and calculate the relative mass: UF6
Uranium (VI) fluoride, 352
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Describe what happens in a synthesis reaction
Two reactants (elements or compounds) form a single product
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Balance the equation (using integer coefficients) and identify what type of reaction: SO3 + H2SO4 = H2S2O7
SO3 + H2SO4 = H2S2O7, synthesis/combination
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Give the name and calculate the relative mass: (NH4)2SO4
ammonium sulfate, 132.144
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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
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Describe what happens in a decomposition reaction
A single reactant (compound) breaks down to form two or more products
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Give the name and calculate the relative mass: BF3
Boron trifluoride, 67.81
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Balance the equation (using integer coefficients) and identify what type of reaction: KI + Cl2 = KCl + I2
2KI + Cl2 = 2KCl + I2; single replacement
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When will a single displacement reaction not occur?
When the free element is less reactive than the other element in the compound
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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
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Balance the equation (using integer coefficients) and identify what type of reaction: HCl + NaOH = NaCl + H2O
HCl + NaOH = NaCl + H2O, double replacement
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Give the name and calculate the relative mass: BeCl2
Beryllium Chloride, 79.912
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Give the name and calculate the relative mass: Ga2(SO3)3
gallium sulfite, 379.62
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Balance the equation (using integer coefficients) and identify what type of reaction: AgBr = Ag + Br2
2AgBr = 2Ag + Br2, decomposition
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