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nastd1
@nastd1
October 2021
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С 4 ПО 15, СРООООЧНООООО!!!!!!
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mrvladimir2
Verified answer
4=в
5=б
6=г
7=а
8=в
9= А-2; Б-3; В-1
10=А-3; Б-2; В-1
11=А-2; Б-1; В-4; Г-3
12=
С2Н2+H2=C2H4
C2H4+HOH = C2H5OH
C2H5OH=>CH3CHO+HOH
CH3CHO+Ag2O=CH3COOH + 2Ag
13=
а)CH4+Cl2=CH3Cl + HCl
CH3Cl+Cl2=CH2Cl2 + HCl
CH2Cl2+Cl2=CHCl3 + HCl
CHCl3+Cl2=CCl4 + HCl
б) С2H5OH => CH3CHO+H2O
в) C6H12O6 = 2CH3CH(OH)-COOH
г) C2H2 + H2O = CH3CHO
14=
5 л х л
C2H4 + 3O2 = 2CO2+2H2O
1 л 3 л
х=15 л
7 л у л
2С2Н2 + 5О2 = 4СО2 + 2Н2О
2 л 5 л
у=17,5 л
V(O2) = 15 л + 17,5 л = 32,5 л
V(возд.) = 32,5 л/0,21 = 154,76 л
15=
m(C2H5OH) = 55 г*0,7= 38,5 г
х г 38,5 г
С6H12O6 => 2C2H5OH + 2CO2
180 г 92 г
х=m(C6H12O6) = 180 г*38,5 г/92 г = 75,3 г
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Answers & Comments
Verified answer
4=в5=б
6=г
7=а
8=в
9= А-2; Б-3; В-1
10=А-3; Б-2; В-1
11=А-2; Б-1; В-4; Г-3
12=
С2Н2+H2=C2H4
C2H4+HOH = C2H5OH
C2H5OH=>CH3CHO+HOH
CH3CHO+Ag2O=CH3COOH + 2Ag
13=
а)CH4+Cl2=CH3Cl + HCl
CH3Cl+Cl2=CH2Cl2 + HCl
CH2Cl2+Cl2=CHCl3 + HCl
CHCl3+Cl2=CCl4 + HCl
б) С2H5OH => CH3CHO+H2O
в) C6H12O6 = 2CH3CH(OH)-COOH
г) C2H2 + H2O = CH3CHO
14=
5 л х л
C2H4 + 3O2 = 2CO2+2H2O
1 л 3 л
х=15 л
7 л у л
2С2Н2 + 5О2 = 4СО2 + 2Н2О
2 л 5 л
у=17,5 л
V(O2) = 15 л + 17,5 л = 32,5 л
V(возд.) = 32,5 л/0,21 = 154,76 л
15=
m(C2H5OH) = 55 г*0,7= 38,5 г
х г 38,5 г
С6H12O6 => 2C2H5OH + 2CO2
180 г 92 г
х=m(C6H12O6) = 180 г*38,5 г/92 г = 75,3 г