Question

допишите уравнения( расставить коэфиценты, написать типы реакций) оксид аллюминия + соляная кислота= хлорил алюминия+ водасоляная кислота + CaOH=CaCl+H2Oгидроксид железа(III) разлогается на оксид железа (III) и водуфосфорная кислота+ кальций=фосфат кальция + водород

Answer 1

2HCl+Ca(OH)2=CaCl2+H2O  -реакция нейтрализации

Al2O3+6HCl=2AlCl3+3H2O  - реакция обмена

2Fe(OH)3=Fe2O3+3H2O   - реакция разложения

2H3PO4+3Ca=Ca3(PO4)2+3H2 -реакция замещения

Answer 2

Equations and Types of Reactions

1. Oxide of aluminum + hydrochloric acid = aluminum chloride + water - Equation: Al2O3 + 6HCl = 2AlCl3 + 3H2O - Type of reaction: Acid-base reaction

2. Calcium hydroxide = calcium chloride + water - Equation: Ca(OH)2 = CaCl2 + H2O - Type of reaction: Decomposition reaction

3. Iron(III) hydroxide decomposes into iron(III) oxide and water - Equation: 2Fe(OH)3 = Fe2O3 + 3H2O - Type of reaction: Decomposition reaction

4. Phosphoric acid + calcium = calcium phosphate + water - Equation: 2H3PO4 + 3Ca = Ca3(PO4)2 + 3H2O - Type of reaction: Double displacement reaction

5. Hydrogen gas is produced when water reacts with calcium - Equation: 2H2O + 2Ca = 2Ca(OH)2 + H2 - Type of reaction: Single displacement reaction

Please note that the coefficients in the equations are balanced to ensure the conservation of mass.