APChemistryJeopardy：AP化学危险教学课件

APChemistryJeopardy：AP化学危险化学危险56、死去何所道，托体同山阿。57、春秋多佳日，登高赋新诗。58、种豆南山下，草盛豆苗稀。晨兴理荒秽，带月荷锄归。道狭草木长，夕露沾我衣。衣沾不足惜，但使愿无违。59、相见无杂言，但道桑麻长。60、迢迢新秋夕，亭亭月将圆。AP Chemistry Jeopardy2000Structureof MatterStates ofMatterPhysicalChemistryChemicalBondingChemicalReactions$100$200$400$800$1000$1500$100$200$400$800$1000$1500$100$200$400$800$1000$1500$100$200$400$800$1000$1500$100$200$400$800$1000$1500AP CHEM JEOPARDY$2000$2000$2000$2000$2000Chemical Bonding$100BDAILY DOUBLEQ-Which atom has a larger atomic radius?A)ArC)ClB)NaD)LiChem Bond$100Q-How Many Sigma and Pi bond does N2 contain?A)one sigma,four piB)two sigma,two piC)three sigmaD)three piE)one sigma,two piChem Bond$200Chem Bond$400 What are the the three atoms that bond to hydrogen in hydrogen bonding?NitrogenOxygenFluorineChem Bond$800What are the two ways for a molecule to have a bent geometry?A tetrahedral arrangement with twounshared electron pairs(109.5)A planar triangle geometry with oneunshared electron pair(120)Chem Bond$1000What are the four types of Unit Cells possible for crystal structures?Simple Cubic2r=sFace centered4r=2(sqr.Root r)Body centered 4r=s(cube root r)HexagonalQ-Which is NOT linear?a)CO2b)H2Oc)BeF2d)N2Chem Bond$1500AChem Bond$2000A)Increased Dipole-Dipole ForcesB)Hydrogen BondingC)Increased London Dispersion ForcesWhy is the P-Cl bond in PCl5 a stronger bond than the C-O in carbon monoxide?States of Matter$100Which of the following is not a gas at room temperature?A)O2B)ArC)F2D)Br2Bromine is a red liquidStates of Matter$200Under what conditions would a substance sublimate at room conditions(25 C and 1 atm)?A)the critical temperature must be below the triple pointB)the slope of the fusion line should be negativeC)the triple point must be at a pressure greater than 1 atmand 25CD)the solid phase must be more dense than the liquid phaseStates of Matter$400What would happen to the pressure of a gas if the temperature is tripled,the volume is doubled,and the number of gas molecules is quadrupled?.A)T x(1/3)(1/2)(1/4)B)T x(3/1)(2/1)(4/1)C)T x(3/1)(1/2)(4/1)D)T x(3/1)(1/2)(1/4)Temp.is tripled P=kTVolume is doubled P=k(1/V)Moles is quad.P=knStates of Matter$800Is the slope for the solid/liquid line in the phase diagram of water positive,negative,or can be either?States of Matter$1000The kinetic molecular theory predicts that at a given temperature.A)All gases have the same KEB)All gas molecules have the samevelocityC)Only real gas molecules collidewith each otherD)On average,heavier molecules move more slowlyE)Elastic collisions result in the loss of energy.States of Matter$1500All of the following physical properties change as solute is added to the solution.Which is NOT a colligative property?A)Boiling PointD)Surface TensionB)Vapor PressureE)Melting PointC)Osmotic PressureStates of Matter$2000Which of the following is most likely to be soluble in hexane?A)KClD)H2OB)C2H5OHE)C6H6C)HC2H3O2Physical Chemistry$100What is the free energy of a system at equilibrium?.G=0 equilibrium 0 if non-spontaneousPhysical Chemistry$200When H is positive and S is negative,will temperature changes have an effect on the spontaneity of a reaction?YESNOPhysical Chemistry$400The rate of reaction will be large if:A)G is a large(-)numberB)S is a large(-)numberC)H is a large(-)numberD)Keq is a large(+)numberE)None of the abovePhysical Chemistry$800The Law of Dulong and Petit says that the molar specific heat of solid elements is approximately 25 J/molK.This suggests that.a)The heat absorbed depends only on the number of atomsb)the heat absorbed depends on the volume change with temperaturec)the heat absorbed can be calculated from the 1st Law of Thermodynamicsd)this law is an oddity since it does not apply to elements that are liquids/gasesPhysical Chemistry$1000An inorganic catalyst doesnt.A)Ensure proper geometryB)Weaken existing bondsC)Lose effectiveness when heatedD)Decrease the activation energy of a reactionCatalysts lower the activation energy of a reaction thus increasing the rate by ensuring proper geometry and weakening existing bonds in the molecule.Only ORGANIC catalysts are effected by a temperature change.Physical Chemistry$1500What equation would you use to solve:How much heat does it take to raise 10 grams of water by 10C?.q=m c TPhysical Chemistry$2000What is the equation is used to find how temperature changes affect rates of reaction?ln k2=Ea(T2-T1)k1 R T2T1Chemical Reactions$100Which of the following would produce odor if heated?A)NH3D)PbI2B)Na+(aq)E)A and CC)KIChemical Reactions$200One mole of electrons is how many coulombs?96,485 CChemical Reactions$400A molecule of NaHSO4 is.a)Acidicb)Basicc)NeutralNa+is neutral because it is the conjugate acid of a strong base.HSO4-is acidic because it can further produce H+ions in solution(but it also has amphoteric properties).Chemical Reactions$800Which of the following compounds includes an element that has the same oxidation#as the chlorine in sodium chlorate,NaClO3?A)K3Fe(CN)6D)(NH4)2SO4B)KMnO4E)KClO4C)Al(NO3)3Chemical Reactions$1000DAILY DOUBLEWhich of the following statements is FALSE?A)reduction involves a gain of e-B)batteries are galvanic cellsC)a spontaneous reaction always has a(+)EcellD)electrolysis reactions always produce a gas at at least one electrodeE)Galvanic cells can be used to determine equilibrium constantsChemical Reactions$1500What will be the products of the following equation?FeCl2 +HCl+KMnO4-?FeCl2 +HCl+KMnO4-FeCl3 +MnCl2+H2O +KClOx:Fe2+-Fe3+e-Red:MnO4-+H+-Mn2+H2O(K+and Cl-are spectator ions)Chemical Reactions$2000Predict the net ionic equation for the following reaction and tell what form the reactants will be present.The electrolysis of KI in waterOx:2 I-I2 +2e-Red:2 H2O +2 e-H2 +2 OH-2 H2O +2 I-H2 +2 OH-+I2Electrolysis of KI in water.(H2O has a Ered closer to zero than K+)Structure of Matter$100Which of the following elements has the greatest number of p electrons?A)CB)SiC)FeD)ClE)AsEven though some of the others have more p electrons in their OUTER shell,Arsenic has more TOTAL p electrons.Structure of Matter$200An electron with the four quantum numbers 3,2,-1,-1/2 may be an electron in an unfilled sublevel of.A)CaB)FeC)AlD)ArE)AgB)FeIt says UNFILLED sublevel.Since the 1st two quantum#s are“3”and“2”that means an unfilled 3-d orbital.Fe is the only one with an unfilled 3-d orbital.Structure of Matter$400Chemical Properties are defined by the:A)ElectronsC)NeutronsB)ProtonsD)IonizationEnergyC)ElectronegativityStructure of Matter$800The best way to estimate the boiling points of Pd is to:A)average the b.p.s of Rh and AgB)average the b.p.s of Ni and PtC)average the b.p.s of Ir and CuD)average the b.p.s of Co and AuE)None of the above will work.Structure of Matter$1000In which of the following pairs of elements is the element with the lower boiling point listed first?A)Na,CsD)Ba,SrB)Te,SeE)I,BrC)P,NStates of Matter$1500Carbon-14 has a half-life of 5730 years.How old is a wooden object if 70%of the C-14 has decayed?A)2948 yrD)4321 yrB)1280 yrE)7002 yrC)9950 yrRadioactive decay is a first order reaction thereforeRate=kXln Xo=ktXLn 2 X =k t 1/2 Xln 2=k t 1/2=t 1/2=0.693/kStructure of Matter$2000An electron that falls from a higher energy level to n=3 emits a wavelength that fall in what“series?”Paschen SeriesLyman:n=-n=1Balmer:n=-n=2Paschen:n=-n=3UltravioletInfraredVisibleEND16、业余生活要有意义，不要越轨。华盛顿17、一个人即使已登上顶峰，也仍要自强不息。罗素贝克18、最大的挑战和突破在于用人，而用人最大的突破在于信任人。马云19、自己活着，就是为了使别人过得更美好。雷锋20、要掌握书，莫被书掌握；要为生而读，莫为读而生。布尔沃