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河北省鸡泽一中2020-2021学年高二上学期开学考试化学试题含答案

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鸡泽一中2020-2021学年第一学期开学考试

高二化学试题

(总分:100分 时间:90分钟)

第Ⅰ卷(共40分)

一、单项选择题(本题共包括20小题,每小题2分,共40分)

1................ A.................... B.........................

C........CO.............,............ D....................................... 2..................... . A..... B........ C......... D........ 3.........................( )

1

4...................( )

A.30......2 mol·L.1...... B.30.......2 mol·L.1...... C.60.......2 mol·L.1...... D.60.......2mol·L.1...... 5................( )

......... ....... .........H2SO4.. ......... ..... .H2.Cl2... A... B..... C..... D... 6................ . A.C(s)+O2(g)=CO2(g) .H =+393.5kJ/mol B.2SO2+O2=2SO3 .H = —196.6kJ/mol C.S.s..O2.g.=SO2.g.ΔH=.297.23 kJ/mol D.2H2(g)+O2(g)=2H2O(l) .H= +571.6kJ

7. ..............Pb.PbO2.2H2SO42H2O.2PbSO4................( ) A............. B..................

C..............Pb.2e..SO2.4===PbSO4 D..............PbSO4.2e.===Pb.SO2.4 8...4NH3 + 5O2 = 4NO +

6H2O(g).........ν.NH3..ν.O2..ν.NO..ν.H2O.....mol?L-1?min-1........

2

..

A.ν.NH3.=ν.O2.

B.ν.O2.=ν.H2O.

C.ν.NH3.=ν.H2O. D.ν.O2.=ν.NO. 9. ................( )

A............................

B.1 mol............1.895 kJ............. C......................

D.................................N2 +3H2.2NH3 10. ..............................( ) A.NH3....... B.H2.......

C............

D.N2.H2.NH3........1:2:3

11. .......CO.CH4............ 2CO(g).O2(g) === 2CO2(g) ΔH..566 kJ·mol.1 CH4(g).2O2(g) === CO2(g).2H2O(l) ΔH..890 kJ·mol.1

......的CO.CH4......4mol................... .A.1 173 kJ B.1 456 kJ C.2 346 kJ D.1 780 kJ 12. .....................( ) A.2H..2e.===H2↑ B.Fe2..2e.===Fe C.2H2O.O2.4e.===4OH. D.Fe3..e.===Fe2.

3

13. ............:X2(g)+Y2(g)

2Z(g)...X2.Y2.Z........0.1mol·L-1.0.2mol·L-1.0.2mol·L-1,......,........,..........( )

A.Z.0.3mol·L-1 B.Y2.0.4mol·L-1 C.X2.0.2mol·L-1 D.Z.0

14. ........................................1 mol..........................

...........P4(s).5O2(g)===P4O10(s)........2 378.0

kJ..............4......................................X.( )

... ..kJ·mol.1

A.434 B.335 C.237 D.188 15.

...................................................(..........).........( )

A.a......... B.b..........

C.a中铜丝上发生氧化反应 D.b中铝条附近有气泡产生

16............... .

4

P—P 197 P—O 360 O===O 499 P===O X

A............................

B.......H+.aq.+ OH?.aq..H2O.l...H=.57.3 kJ/mol....0.5 mol

H2SO4......1 mol NaOH.............57.3 kJ C..C.....C......H=+1.90 kJ/mol..........

D..101 kPa..2 g H2 ............285.8 kJ...........

.......2H2.g.+O2.g..2H2O.g..H..571.6kJ/mol 17. ........................( )

18...........................................................H2NCOONH4(s)

2NH3(g).CO2(g).................. .

.v(NH3).=2v(CO2). ........... ...............

..................... .......................CO2....... . .......

A...... B..... 19.

..(Ni—Cd)...............................KOH..............Cd+2NiOOH+2H2O

Cd(OH)2+2Ni(OH)2.............( ) C.... D...

A..............

5

河北省鸡泽一中2020-2021学年高二上学期开学考试化学试题含答案

鸡泽一中2020-2021学年第一学期开学考试高二化学试题(总分:100分时间:90分钟)第Ⅰ卷(共40分)一、单项选择题(本题共包括20小题,每小题2分,共40分)1................A....................B.........................<
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