重庆市西南大学附属中学2021-2022学年高二上学期开学考试化学试题 PDF版含答案.pdf

1、102 C5 77 7F31236428 1 0 14 3 42 1.2021 5 15 A()BC SiC D()2.ABCD3.ACO(g)283.0kJ/mol COgCO(g)+1/2 O2(g)=CO2(g)H=283.0kJ/molB 57.3kJ/mol 1/2 H2SO4(l)+KOH(l)=1/2 K2SO4(l)+H2O(l)H=57.3kJ/molCD 2C(s)+2O2(g)=2CO2(g)H12C(s)+O2(g)=2CO(g)H2H1H24.Na2SO3 Ba(NO3)2ANa2SO3 B Ba(NO3)2 BaSO4C Na2SO3 D Na2SO3 5.CuA

2、NO2B 3Cu+2NO-3+8H+=3Cu2+2NO+4H2OCDCu 6.(CH3OCH3)“”(ab Pt)Aa BO2 b Ca CH3OCH312e3H2O=2CO212HD H b a 27.2mol Cl2 CH3ClCH2Cl2CHCl3CCl4 0.2mol Cl2 A1.5molB3molC4.5molD6mol8.TiO2 R A 050 min pH=2 pH=7 R BR CR D 2025 min pH=10 R 0.04 molL1min19.X(g)4Y(g)2Z(g)3R(g)XYZR 0.10.40.20.3 molL1Ac(X)0.15B c(Z)0.3C

3、 c(Y)0.7D c(R)0.610.A B3 3 4 C3 4 C7H14D5 4 11.A22Na2H O=Na2OHH+B2323SiO2H=H SiO+C2CaCl 2CO 2223CaH OCO=CaCO2H+D2232Ca2OHCO=CaCOH O+12.ACO2(SO2)Na2CO3 Na2CO3 BNaCl Br2CCl4CFeCl3 CuCl2Fe Fe DNa2SO4(Na2CO3)13.()()()()2232C s2HgOgCH COOH l+=A-1H=+488.3kJ molB-1H=-244.15kJ molC-1H=-977.6kJ molD-1H=-488.

4、3kJ mol14.X Fe2O3CuSiO2 A Cu B Cu2+Fe2+Fe3+C X Fe2O3 4.48gSiO2 3.0gD.3 4 58 15.(14)2L aN(g)bM(g)cP(g)MNP abc=13min M AM N BCD amolN bmolMEFM AB 2L 3A(g)+B(g)xC(g)+2D(g)5min D 0.5mol/Lc(A):c(B)=3:5C 0.1molL-1min-1 5min A B B x 16.(12)H2S H2S(1)“”H2S(NH4)2S CuCl(NH4)2S Cu2S,(2)“”()243FeSO2H S4FeSO4+O2

5、+2H2SO42Fe2(SO4)3+2H2O(3)“22H O”2H S()()222n H On H S2-4n(S)4=n(SO)3 ()()222n H On H S=_(4)“”2H S3FeCl 2FeCl 2CuCl S_17.(16)(CaO2)CaO2(1)CaO2 4 g CaO2 10mL a 5 mL a 4CaO2 a(2)Ca+O2 CaO2 _(3)Ca2+H2O2+2NH3+8H2O=CaO28H2O+2NH4+CaO2 NH3 Ca2+H2O2 _ CaO28H2O_(4)CaO2 FeCl3 _18.(16)(1)()()(2)CH2=CH2 CH3CH2Cl

6、(3)“”(4)(g)(g)+H2(g)HCHCCC=CHH/kJmol141234861243625100kPa 1mol H=H=20212022 1.B2.B3.B4.D5.B6.C7.D8.A9.D10.A11.D12.B13.D14.D152110.25molL-1min-1(1)DF0.75molL-1(1)3mol(1)0.05molL-1min-1(1)216+2-23242H S+2NHH O=2NH+S+2H O2CuCl+(NH4)2S=Cu2S+2NH4Cl 3+2+22Fe+H S=2Fe+S+2H()16:7CuS172CaO2+4HCl=2CaCl2+2H2O+O2(CaO2+2HCl=2CaCl2+2H2O2H2O2=2H2O+O2)H2O2defbce defcbe CaO28H2O 2-3 FeCl2 KSCN CaO2 CaO2 FeCl318 5CH2=CH2+HCl CH3CH2ClnCH3CH(OH)COOH+2Na CH3CH(ONa)COONa+H2+124 kJmol-1