Question

The following to be done for the reactants given: a. Write the chemical equations for the...

The following to be done for the reactants given: a. Write the chemical equations for the reaction (both reactants and products). b. Balance the equations. c. Identify the types of reactions: synthesis, decomposition, single displacement, double displacement or combustion. d. If the equation is a single or double displacement reaction, determine what is oxidized and reduced. 1. barium iodide and sodium nitrate 2. hydrochloric acid and calcium hydroxide 3. aluminum bromide and magnesium 4. calcium and oxygen gas 5. copper (II) sulfate and lithium

Homework Answers

Answer #1

1) BaI2 + 2NaNO3 --------------> 2 NaI + Ba(NO3)2

double decomposition

No change in oxidation states , no oxidation/reduction

2) 2HCl + Ca(OH)2 ---------------> CaCl2 + 2H2O

double decomposition (acid-base neutralization)

No oxidation/reduction took place

3 ) 2AlBr3 + 3Mg --------------> 3 MgBr2 + 2Al

single displacement reaction

Mg is oxidised and AL is reduced

4) 2Ca + O2 -------------> 2 CaO

Synthesis reaction  

Ca is oxidised and O is reduced

5) CuSO4 +2 Li --------------> Li2SO4 + Cu

single displacement reaction

Cu is reduced and Li is oxidised

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