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1)
a)
$C_2H_4 + H_2O \xrightarrow{t^o,xt} C_2H_5OH$
$C_2H_5OH + O_2 \xrightarrow{men\ giấm} CH_3COOH + H_2O$
$CH_3COOH + NaOH \to CH_3COONa + H_2O$
b)
$CH_3COOH + C_2H_5OH \buildrel{{H_2SO_4}}\over\rightleftharpoons CH_3COOC_2H_5 + H_2O$
2)
a) $n_{CO_2} = \dfrac{16,8}{22,4} = 0,75(mol)$
$C_6H_{12}O_6 \xrightarrow{men\ rượu} 2CO_2 + 2C_2H_5OH$
$n_{glucozo} = \dfrac{1}{2}n_{CO_2} = 0,375(mol)$
$m_{glucozo} = 0,375.180 = 67,5(gam)$
b) $n_{C_2H_5OH} = n_{CO_2} = 0,75(mol)$
$m_{C_2H_5OH} = 0,75.46 = 34,5(gam)$
$V_{C_2H_5OH} = \dfrac{34,5}{0,8}= 43,125(ml)$
Câu 1:
a, \(C_2H_4+H_2O\underrightarrow{t^o,xt}C_2H_5OH\)
\(C_2H_5OH+O_2\underrightarrow{mengiam}CH_3COOH+H_2O\)
\(CH_3COOH+Na\rightarrow CH_3COOH+\dfrac{1}{2}H_2\)
b, \(CH_3COOH+C_2H_5OH⇌CH_3COOC_2H_5+H_2O\) (xt: H2SO4 đặc, to)
Câu 2:
a, \(n_{CO_2}=\dfrac{16,8}{22,4}=0,75\left(mol\right)\)
\(C_6H_{12}O_6\underrightarrow{t^o,xt}2C_2H_5OH+2CO_2\)
Theo PT: \(n_{C_6H_{12}O_6}=\dfrac{1}{2}n_{CO_2}=0,375\left(mol\right)\)
\(\Rightarrow m_{C_6H_{12}O_6}=0,375.180=67,5\left(g\right)\)
b, \(n_{C_2H_5OH}=n_{CO_2}=0,75\left(mol\right)\Rightarrow m_{C_2H_5OH}=0,75.46=34,5\left(g\right)\)
\(\Rightarrow V_{C_2H_5OH}=\dfrac{34,5}{0,8}=43,125\left(ml\right)\)
Câu 1:
\(C+O_2\xrightarrow{t^o}CO_2\\ CO_2+H_2O\buildrel{{}}\over\rightleftharpoons H_2CO_3\\ H_2CO_3+2NaOH\to Na_2CO_3+2H_2O\\ Na_2CO_3+H_2SO_4\to Na_2SO_4+H_2O+CO_2\uparrow\\ Na_2SO_4+BaCl_2\to 2NaCl+BaSO_4\downarrow\)
C2H5OH + O2 ---men giấm--> CH3COOH + H2O
2CH3COOH + 2Na ----> 2CH3COONa + H2
b.
CaC2 + 2H2O ---> C2H2 + Ca(OH)2
C2H2 + H2 -xt,to--> C2H4
C2H4 + H2O ---> C2H5OH
2C2H5OH + Na ---> 2C2H5ONa + H2
Chọn đáp án A
CO2 + H2O → (C6H10O5)n + O2 Phản ứng quang hợp
(C6H10O5)n + nH2O → nC6H12O6 Phản ứng thủy phân
C6H12O6 + AgNO3/NH3 → Ag Phản ứng oxi hóa khử
2CH3COOH + Na2CO3 → 2CH3COONa + H2O + CO2
CH3COOH + NaOH → CH3COONa + H2O
https://phuongtrinhhoahoc.com/phuong-trinh/CH3COOH+Na2CO3/CH3COONa+H2O+CO2https://phuongtrinhhoahoc.com/phuong-trinh/CH3COOH+Na2CO3/CH3COONa+H2O+CO2
\(1,CO_2+2NaOH\rightarrow Na_2CO_3+H_2O\\ Na_2CO_3+2CH_3COOH\rightarrow2CH_3COONa+CO_2\uparrow+H_2O\\ 2,\left(-C_5H_{10}O_5-\right)_n+nH_2O\underrightarrow{axit}nC_6H_{12}O_6\\ C_6H_{12}O_6\underrightarrow{men.rượu}2C_2H_5OH+2CO_2\uparrow\\ C_2H_5OH+Na\rightarrow C_2H_5ONa+\dfrac{1}{2}H_2\)