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- 1. Multiple ChoiceAB + CD →AD + CBDouble ReplacementSingle ReplacementSynthesisDecomposition
- 2. Multiple ChoiceIdentify this type of reaction,
Cl2 + 2KI --> I2 + 2KClSynthesisSingle displacementDouble displacementDecomposition - 3. Multiple Choice2 C5H5 + Fe --> Fe(C5H5)2single displacementdouble displacementdecompositionsynthesis
- 4. Multiple Choice2 RbNO3 + BeF2 --> Be(NO3)2 + 2 RbFsingle displacementdouble displacmentdecompositionsynthesis
- 5. Multiple ChoiceWhich chemical reaction breaks down into 2 substances?Double displacementSingle displacementSynthesisDecomposition
- 6. Multiple ChoiceWhich of the following is the general formula for a decomposition reaction?A + B → ABAB → A + BAB + C → AC + BAB + CD → AC + BD
- 7. Multiple Choice2 AgNO3 + Cu --> Cu(NO3)2 + 2 Agsingle displacementdouble displacementdecompositionsynthesis
- 8. Multiple ChoiceA + BC →B + ACSingle ReplacementDecompositionDouble ReplacementSynthesis
- 9. Multiple ChoiceNO2 →N2 + O2Synthesis (combination)DecompositionSingle replacementCombustion
- 10. Multiple ChoiceMg + N2 →Mg3N2Synthesis (combination)DecompositionSingle replacementCombustion
- 11. Multiple Choice2NaCl →2Na +Cl2Synthesis ReactionDecomposition ReactionSingle Displacement ReactionDouble Displacement Reaction
- 12. Multiple ChoiceC + O2 → CO2Synthesis ReactionDecomposition ReactionSingle Displacement ReactionDouble Displacement Reaction
- 13. Multiple ChoiceThe following is what type of reaction:
NH3 + HCl → NH4ClSynthesisDecompositionSingle Replacement ReplacementDouble Replacement Replacement - 14. Multiple ChoiceWhich of the following is a sign that a chemical reaction has occurred?change in shapemeltingformation of a gasdissolving
- 15. Multiple Choice
Is burning wood a chemical or physical change?chemicalphysical - 16. Multiple ChoiceWhat type of reaction is this?EndothermicExothermic
- 17. Multiple ChoiceWhat letter represents the activation energy?ABCD
- 18. Multiple ChoiceIncrease in temperature of the reactants can do one of the followingSlow collision frequencyAllow less effective collision between the particlesCause particles to lose speedIncrease collision between the particles thus increasing the rate.
- 19. Multiple ChoiceGrinding a seltzer tablet into powder increases the rate of reaction due to increasedconcentrationsurface areatemperaturereactants
- 20. Multiple ChoiceWhich factors increase the rate of a reaction.increasing temperatureincreasing concentrationincreasing surface areaall of these
- 21. Multiple ChoiceA ______________ is a substance that increases the rate of a reaction without being used up during the reaction.catalystproductreactantsolute
- 22. Multiple ChoiceSmaller particle size allows for a _________ surface area to be exposed for the reaction.largersmaller
- 23. Multiple ChoiceExothermic reactions release heat to the surroundings.truefalse
- 24. Multiple ChoiceIncreasing the concentration of the reactants will slow down the reaction.falsetrue
- 25. Multiple ChoiceIn an exothermic reaction the products havemore energy than the reactantsthe same energy as the reactantsless energy than the reactantsno energy
- 26. Multiple ChoiceIn an endothermic reaction the products havemore energy than the reactantsless energy than the reactantsthe same energy as the reactantsno energy
- 27. Multiple ChoiceWhy does a higher temperature increase the rate of a reaction?it increases both the frequency and energy of particle collisionsit only increases the frequency of particle collisionsit only increases the energy of particle collisionsit reduces the activation energy of the reaction
- 28. Multiple ChoiceProducts will form faster if____________the particle size of the reactants are larger.temperature is decreased.concentration of the reactants are increased.the reaction is not stirred.
- 29. Multiple ChoiceLe Chaltelier's Principle states that if a chemical system at equilibrium is stressed,the system will adjust to increase the stressthe system will adjust to reduce the stressthe system will not adjust
- 30. Multiple ChoiceWhich of the two graphs reaches equilibrium?The left one.The right one.Both of them.Neither.
- 31. Multiple ChoiceThis symbol indicates that a reaction is ____________reversibleirreversible
- 32. Multiple ChoiceIdentify the labels (a) and (b) on the graph.a is concentration of reactants and b is the concentration of productsa is concentration of product and b is the concentration of reactanta is the volume of reactants and b is the volume of producta is the mass of reactants and b is the mass of product
- 33. Multiple ChoiceDefine chemical equilibrium.A reaction is reversible.The concentration of the reactants is equal to the concentration of the products.The rate of a forward reaction is equal to the rate of the reverse reaction.The reaction stops and no further change in concentration occurs.
- 34. Multiple ChoiceBalance this equation
_Al +_HCl --> _H2 +_AlCl32, 6, 3, 2it is already balanced4, 12, 3, 42, 1, 4, 5 - 35. Multiple ChoiceIs the equation balanced?: 2H2O + O2 --> 4MgO + 3FeYesNo
- 36. Multiple ChoiceIs this equation balanced?yesnoNot enough information
- 37. Multiple ChoiceIs this equation balanced?yesnoNot enough information
- 38. Multiple ChoiceWhich of these will NOT speed up the rate of reaction between a strip of magnesium and hydrochloric acid?tightly coil up the strip of magnesiumcut up the strip of magnesiumincrease the concentration of the hydrocholoric acidincrease the temperature of the hydrocholoric acid
- 39. Multiple ChoiceBalance this equation-
__P4 + __O2 --> __P2O3it is already balanced2, 1, 31, 2, 31, 3, 2 - 40. Multiple ChoiceBalance this equation.
_CF4 + _Br2 -- _CBr4 + _F22,1,2,11,2,2,11,2,1,22,2,2,2 - 41. Multiple ChoiceBalance this equation
_N2 + _H2 --> _NH31,2,31,3,21,1,22,1,1 - 42. Multiple ChoiceBalance this equation.
_Mg + _Cl2 --> _MgCl21, 2,1already balanced2,1,11,1,2 - 43. Multiple ChoiceWhat does the Law of Conservation of Mass state?Matter cannot be gained or lost in a chemical reaction.Matter can only be lost in a chemical reaction.Matter can only be gained in a chemical reaction.Matter can be gained and lost in a chemical reaction.
- 44. Multiple ChoiceWhat is the little number after an element in a chemical equation called.
Example: H2CoefficientSubscriptAtomEquation - 45. Multiple ChoiceWhat is the arrow in a chemical equation...
H2 + O --> H2OReactantsProductsYieldsChemical Equation - 46. Multiple ChoiceAt the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?the product is doubledthe product is half the mass of the reactantsthe mass is the samethe mass changes depending on the reaction
- 47. Multiple ChoiceWhat is a coefficient?The small number on the right of the chemical symbol.The large number to the left of a formula.
- 48. Multiple ChoiceWhen balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balancedchargesubscriptrandom numbercoefficient
- 49. Multiple Choiceiron + sulfur --> iron (II) sulfideSynthesisDecompositionsingle replacement
Single Replacementdouble replacement
Double Replacement - 50. Multiple ChoiceWhat is 0.00 degrees Kelvin known asNo such thingVery coldFreezing point of WaterAbsolute Zero
- 51. Multiple ChoiceWhat about gasses can be measured?Pressure and VolumeTemperature, Volume, and PressureVolume and TemperaturePressure, Temperature, Volume, and Moles
- 52. Multiple ChoiceWhich is a quality that only gasses displaySpread out to fill all available spaceTake the shape of their containerCan't be compressedAll of these
- 53. Multiple ChoiceWhich of the following has the lowest density?GassesSolidsLiquidsAll mater is the same density
- 54. Multiple ChoiceWhat is 50 C in Kelvin?22332310050
- 55. Multiple ChoiceHow are pressure and volume related?DirectlyIndirectlyThey aren't related
- 56. Multiple ChoiceYou have a gas that has a pressure of 2 ATM and a volume of 10L. What would be the new volume if the pressure was changed to 1 ATM?5 L20 LIt would stay at 10L1 L
- 57. Multiple ChoiceWhich of the following would increase the pressure on a system?Increase the TemperaturePump in more gasDecrease the volumeAll of these
- 58. Multiple ChoiceWhat does Boyle's law relate to?Temperature and VolumeVolume and PressureTemperature and Pressure
- 59. Multiple ChoiceWhat is the equation for Charles' Law?P1V1=P2V2V1/T1=V2/T2V1/n1=V2/n2P1/T1=P2/T2
- 60. Multiple ChoiceWhat is the equation for Boyle's Law?P1V1=P2V2V1/T1=V2/T2V1/n1=V2/n2P1/T1=P2/T2
- 61. Multiple ChoiceAccording to Boyle's law, at constant temperature, as the pressure of a given sample of gas is increased, the volume will –IncreaseDecreaseRemains the same
- 62. Multiple ChoiceIf 200 mL of a gas at 27°C is cooled to -33°C at a constant pressure, the volume will be250 mL204 mL196 mL160 mL
- 63. Multiple ChoiceA gas occupies 4.31 liters at a pressure of 0.755 atm. Determine the volume if the pressure is increased to 1.25 atm.2.6L2.6mL2.6kL260L
- 64. Multiple ChoiceA nitrogen gas has a volume of 600mL at a pressure of 1atm. What volume will the gas occupy at a pressure of 3atm, assuming the temperature remains constant?125mL300mL200mL400mL
- 65. Multiple ChoiceWhat happens to the average kinetic energy of matter when it is heated?It increasesIt decreasesIt doesn't changeIt cannot be determined
- 66. Multiple Choice0.200 atm is equal to ___________0.00026 mm Hg and 20.3 kPa0.00026 mm Hg and 2.03 kPa152 mm Hg and 2.03 kPa152 mm Hg and 20.3 kPa
- 67. Multiple ChoiceThe energy of an object as it is in motion is defined asKinetic TheoryKinetic energyPotential energyElectric energy
- 68. Multiple ChoiceHow do gas molecules move?in an orderly fashionconstantly and randomlyin straight line pathsin a circular motion
- 69. Multiple ChoiceAt STP (Standard Temperature and Pressure), a gas has a volume of 3.0 L. What is the new volume if the pressure increases to 303.9 kPa?9 L1 L9 kPa1 kPa
- 70. Multiple ChoiceWhich container will have lower pressure?leftrightthey both have the same pressure
- 71. Multiple ChoiceA container is filled with H2, and H2O. Calculate the partial pressure of H2 when the pressure of water is 17torr. The total pressure of the gases is 750torr.767.5torr732torr42.86torr
- 72. Multiple Choice
•More collisions on the wall of the container causes more ____________
volume
temperature
pressure
space between particles
- 73. Multiple Choice
Is this a unit for P, V, n, or T? mmHg
volume
temperature
moles
pressure
- 74. Multiple Choice
Is this a unit for P, V, n, or T? Kilopascal (kPa)
volume
moles
pressure
temperature
- 75. Multiple Choice
Which one, P, V, n, or T? mL
pressure
temperature
volume
moles
- 76. Multiple Choice
Which one, P, V, n, or T? atm
volume
temp
pressure
moles
- 77. Multiple ChoiceWhich solute is the most soluble at 10 ⁰C?KIKClO3NH4ClNH3
- 78. Multiple ChoiceWhich solute is the least soluble at 90 ⁰C?SO2KClO3KIHCl
- 79. Multiple ChoiceWhich solute does not increase in solubility as temperature rises?NH3NaNO3KNO3NaCl
- 80. Multiple ChoiceHow many grams of SO2 can dissolve at 50 ⁰C?5 g10 g20 g39 g
- 81. Multiple ChoiceHow many more grams of KNO3 dissolve at 50 ⁰C compared to 0 ⁰C?85 g15 g70 g100 g
- 82. Multiple ChoiceWhat is the maximum temperature where at least 60 g of HCl can dissolve?45 ⁰C55 ⁰C35 ⁰C65 ⁰C
- 83. Multiple ChoiceWhat is the minimum temperature needed to dissolve at least 10 g of KClO3?25 ⁰C10 ⁰C5 ⁰C100 ⁰C
- 84. Multiple ChoiceHow does a solution become supersaturated?dissolve lots of solvent in it.dissolve a little solute in it.dissolve more solute than you should be able to.dissolve a super amount of solvent in it.
- 85. Multiple ChoiceDescribe a solute.part of solution present in largest amountgets dissolvedwatersurrounds and breaks apart
- 86. Multiple ChoiceYou and your friend have a contest to see who can make iced tea the fastest. Which of the following would NOT help you win?Cooling the waterUsing smaller crystalsHeating the waterStirring quickly
- 87. Multiple ChoiceWhat line segment represents only the solid state?A-BB-CC-DD-E
- 88. Multiple ChoiceIn which segment is the kinetic energy remaining constant?A-BB-CC-DE-F
- 89. Multiple ChoiceWhat state(s) of matter are present at D-E?Solid-liquidLiquidLiquid-gasGas-Solid
- 90. Multiple ChoiceBetween which points is the temperature of the substance increasing?A-B only.A-B, C-D, E-FB-C only.B-C, D-E
- 91. Multiple ChoiceWhat state of matter is segment 5?SolidLiquidGasPlasma
- 92. Multiple ChoiceBetween which points is the substance changing state?A-B only.A-B, C-D, E-FB-C only.B-C, D-E
- 93. Multiple ChoiceDefinite shape and a definite volume.GasLiquidSolid
- 94. Multiple ChoiceNo Definite Shape and No Definite VolumeGasLiquidSolid
- 95. Multiple ChoicePhase change from a solid to a gas.sublimationdepositioncondensationevaporation
- 96. Multiple ChoicePhase change from a gas to a liquid.condensationevaporationmeltingdeposition
- 97. Multiple ChoiceWhat happens to the energy of particles in a substance as it changes from gas, to liquid, to solid?KE decreasesKE increasesKE stays the sameKE goes up and then goes down
- 98. Multiple Choice
Which of the following belongs to the alkene series?
C4H6
C7H16
C3H6
CH4
- 99. Multiple Choice
Which hydrocarbon contains a triple carbon to carbon bond?
C2H6
C4H8
C3H8
C5H8
- 100. Multiple Choice
Unsaturated hydrocarbons must contain at least one _________ or _________ bond.
single or double
single or triple
double or triple
single or quadruple
- 101. Multiple Choice
In order to be considered organic a compound must contain ___________.
carbon
hydrogen
oxygen
water
- 102. Multiple Choice
A hydrocarbon compound contains only carbon and ___________.
water
hydrogen
oxygen
nitrogen
- 103. Multiple Choice
Which hydrocarbon is a member of the alkyne series?
C3H4
C6H12
C3H8
C5H10
- 104. Multiple Choice
An alkene containing 7 carbon atoms would be named
heptane
hexene
heptene
heptyne
- 105. Multiple Choice
How many carbon atoms are in a molecule of nonane?
4
6
10
9
- 106. Multiple Choice
How many bonds can each carbon atom make?
2
1
4
3
- 107. Multiple ChoiceThe element _______is found in all of the organic compounds.IronNitrogenCarbonOxygen
- Answer choicesTagsAnswer choicesTags