9. Complete and balance the equation for each example of a double-displacement reaction below. a) HF + KOH → b) AGNO3 + KCI → c) KOH + ZNC12 → d) NHẠCI + Ca(NO3)2 →

Complete and balance each gas evolution reaction. 1. HBr(aq)+NaHCO3(aq)→ 2. NH4I(aq)+KOH(aq)→ 3. HClO4(aq)+K2SO3(aq)→ 4. HI(aq)+K2S(aq)→

Complete each of the following chemical equations.

For the following reaction, do the following:  1. Write the correct formulas for the products, assuming a metathesis/exchange/double replacement/double displacement reaction is occurring 2. Using a solubility table, predict whether the reaction would produce a precipitate and fill in the phase subscripts for each product 3. Balance the equation, giving the correct balanced molecular equation 4. Write the total ionic equation 5. Write the net ionic equation   FeCl3 (aq)  +   K2S (aq)    →

Determine which two of the following reactions are redox reactions. If the reaction is a redox reaction, indicate which element is being oxidized. Briefly explain your answers. Mg + Cl2 ⟶ MgCl2  MgO + 2HCl ⟶ MgCl2 + H2O  2CuCl2 + 4KBr ⟶ 2CuBr + 4KCl + Br2

Classify the following chemical reaction equation: 2 H N O 3 + C a ( O H ) 2 → C a ( N O 3 ) 2 + 2 H 2 O

For the complete redox reactions given here, write the half-reactions and identify the oxidizing and reducing agents. Make sure your answer has the simplest coefficients.  4Fe + 3O2 → 2Fe2O3

Write the equation for the dissolving of iron(II) hydroxide in water. Be sure to specify the state of each reactant and product. +

Complete and balance the following reaction, then give the product side of the balanced equation. __ Cu (s) + __ ZnSO4 →

13