Ch3ch2cooh + ch3oh= c2h5oh + hcooh= ch3ch2cooh + naoh= naoh + c2h5-ch2cooh= c3h7cho+ag2o = буду за

CH3CH2COOH + CH3OH = CH3CH2COOCH3 + H2O

C2H5OH +HCOOH = HCOOC2H5 + H2O

CH3CH2COOH + NaOH = CH3CH2COONa + H2O

NaOH + C2H5-CH2COOH = C2H5-CH2COONa + H2O

 C3H7CHO+Ag2O = C3H7COOH + 2Ag (осадок)