№1 -> докажите амфотерность данной кислоты

1) СH3-CH (NH2) -CH2-COOH+NaOH=CH3-CH (NH2) -CH2-COONa+H2OCH3-CH (NH2) -CH2-COOH+HCl=CH3-CH (NH2*HCl) -CH2-COOH2) 2CH3-CH (NH2) -CH2-COOH+Ba=(CH3-CH (NH2) -CH2-COO) 2Ba+H2CH3-CH (NH2) -CH2-COOH+KOH=CH3-CH (NH2) -CH2-COOK+H2OCH3-CH (NH2) -CH2-COOH+HNO3=CH3-CH (NH2*HNO3) -CH2-COOH4C4H9O2+21O2=16CO2+18H2OСH2=C (NH2) -CH2-COOH+H2=CH3-CH (NH2) -CH2-COOH