Reactions are FUN!!!!!!!!
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Transcript of Reactions are FUN!!!!!!!!
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Reactions are Reactions are
FUN!!!!!!!!FUN!!!!!!!!
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Question One
0What type of reaction results in the formation of only one product?0 Synthesis
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Question Two
0What type of reaction involves a single element switching places with another element present in a compound?0 Single replacement
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Question Three
0 If a hydrocarbon reacts with oxygen to form carbon dioxide and water, what type of reaction is this?0 combustion
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Question Four
0What type of reaction involves only one reactant?0 Decomposition
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Question Five
0What symbol is put over the reaction arrow to indicate that you should heat the reaction0 triangle
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Question Six
0What is used to tell whether or not a single replacement reaction will take place?0 Activity Series
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FOR ALL OF THE FOLLOWING EQUATIONS, WRITE
BALANCED EQUATIONS WITH STATE OF MATTER AND CLASSIFY TYPE OF
REACTION
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Question Seven
0Sufur dioxide gas is bubbled through water to form sulfurous acid0 SO2 (g) + H2O(l) H2SO3 (aq)
0 Synthesis
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Question Eight
0Solid potassium oxide is added to water to form potassium hydroxide0 K2O(s) + H2O(l) 2KOH(aq)
0 Synthesis
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Question Eight
0Aqueous Hydrogen peroxide reacts with a manganese (IV) oxide catalyst.0 2H2O2 (aq) 2H2O (l) + O2 (g)
0 Decomposition
0What would be the result of a glowing splint test?0 Relight
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Question Nine
0Solid sodium is added to a container of iodine vapor0 2Na(s) + I2 (g) 2NaI (s)
0 Synthesis
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Question Ten
0Liquid bromine is added to a solution of sodium iodide0 Br2 (l) + 2NaI (aq) 2NaBr (aq) + I2 (s)
0 Single Replacement
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Question Eleven
0Aluminum metal is added to a solution of sulfurous acid0 2Al(s) +3 H2SO3 (aq) 3 H2 (g) + Al2(SO3)3 (s)
0 Single Replacement
0What would be the result of a lit splint test?0 POP!
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Question Twelve
0Liquid Propanol (C3H7OH) combusts
0 2C3H7OH (l) + 9 O2 (g) 6CO2 (g) + 8H2O (g)
0 Combustion
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Question Thirteen
0 cobalt(III) bromide reacts with aqueous potassium sulfide0 2CoBr3 (aq) + 3K2S (aq) Co2S3 (s) + 6KBr (aq)
0 Double Replacement
0WRITE NET IONIC EQUATION0 2Co+3 + 3S-2 Co2S3
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Question Thirteen
0barium nitrate reacts with aqueous ammonium phosphate0 3Ba(NO3)2 (aq) + 2(NH4)3PO4 (aq) 6NH4NO3 (aq) +
Ba3(PO4)2(s)
0 Double Replacement
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Question Fourteen
0Ammonium chromate reacts in solution with sodium hydroxide0 (NH4)2CrO4 (aq) + 2NaOH (aq) Na2CrO4 (aq) +
2NH4OH(aq)
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Question Fifteen
0Solid lithium reacts in solution with chromium (VI) acetate 0 6Li (s) + Cr(C2H3O2)6 (aq) Cr (s) + 6LiC2H3O2 (aq)
0 Single Replacement
0Net Ionic?0 6Li + Cr+6 Cr + 6Li+1
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Question Sixteen
0Tungsten (IV) oxide reacts with water to form tungsten (IV) hydroxide0 WO2 + 2H2O W(OH)4
0 Synthesis
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Question Seventeen
0Gaseous dichlorine monoxide reacts with water to form hypochlorous acid0 Cl2O(g) + H2O (l) 2 HClO (aq)
0 Synthesis
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Question Eighteen
0Hydrophosphoric acid reacts with nickel (II) carbonate0 2H3P (aq) + 3NiCO3 (s) Ni3P2 (s) + 3H2CO3 (aq)
0 Double Replacement
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Question Nineteen
0Rubidium dichromate reacts in solution with platinum (II) oxalate0 Rb2Cr2O7 (aq) + PtC2O4 (s) PtCr2O7 (s) + Rb2C2O4 (aq)
0 Double Replacement
0Write Net Ionic0 Cr2O7
-2 + PbC2O4 PtCr2O7 + C2O4-2
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Question Twenty
0Ferric perchlorate reacts in solution with metallic strontium0 2Fe(ClO4)3 (aq) +3 Sr (s) 3 Sr(ClO4)2 (Aq) + 2Fe (s)
0 Single Replacement Reaction
0Net Ionic0 2Fe+3 + 3Sr 3Sr+2 + 2Fe
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Question Twenty One
0Ethene gas (C2H4) reacts with the oxygen in the air
0 C2H4 (g) + 3O2 (g) 2CO2 (g) + 2H2O (g)
0 Combustion
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0Calculate the enthalpy of reaction for the combustion of C3H6.
0 2C3H6 + 9O2 6CO2 + 6H2O
0 -3809 kJ
Question Twenty Two
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0What three things are necessary for a successful reaction to occur?0 Reactant molecules must collide0 The collision must occur with sufficient energy to get
over the activation energy hump0 The collision must occur with the proper orientation
Question Twenty Three
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0What are four ways to speed up a reaction?0 Increase concentration0 Increase temperature 0 Increase pressure of a gaseous system0 Add a catalyst0 More Surface Area
Question Twenty Four
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0How does increasing the temperature increase reaction rate?0 Molecules have more energy and therefore there will be
more collisions and the increased energy means a greater fraction of the molecules will have enough energy to get over the activation energy hump
Question Twenty Five
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0What is entropy?0 A measure of the disorder in a system
Question Twenty Six
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0How does adding a catalyst affect the reaction rate?0 It speeds up a reaction by lowering the activation
energy so that more molecules have sufficient energy to get over the activation energy.
Question Twenty Seven
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0Which has more entropy, solid water or water vapor? Why?0 Water vapor has more entropy because there is more
disorder in the gaseous state than in the solid state due to the increased molecular motion of gases
Question Twenty Eight
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Which direction will the reaction proceed if: a. the pressure is decreased.
left
b. the reaction is cooled. right
c. a catalyst is added. neither
d. NH3 is added. left
e. H2 is added.right
f. some nitrogen is removed. left
Question Twenty Nine N2 (g) + 3H2 (g) 2NH3 (g) H = -230 kJ
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For the reaction below, which change would cause the equilibrium to shift to the right?0CH4(g) + 2H2S(g) ↔ CS2(g) + 4H2(g) H = -43.0 kJ (a) Decrease the concentration of dihydrogen sulfide.
Shift to the Left (b) Increase the pressure on the system. Shift to the Left (c) Decrease the temperature of the system. Shift to the Right (d) Increase the concentration of carbon disulfide. Shift to the Left (e) Decrease the concentration of hydrogen.
Shift to the Right
Question Thirty