What type of reaction occurred when AgNO3 was mixed with K2CrO4? A. single displacement B. Decomposition reaction  C. Combination reaction  D. Double Displacement E. Combustion reaction

Two solutions are mixed, and the resulting reaction produces NaNO3(aq) and NiCO3(s).  a. Write the balanced molecular equation for this reaction.  b. Write the net ionic equation, given that the sodium and nitrate ions are the spectator ions.

Classify the following reactions: a. CH4 + 2 O2 ⟶ CO2 + 2 H2Oi. Combustionii. Double replacementiii. Single replacementiv. Synthesis/combinationv. Decomposition b. N2 + 3 Cl2 ⟶ 2 NCl3i. Combustionii. Double replacementiii. Single replacementiv. Synthesis/combinationv. Decomposition c. 2 Al + 3 CuSO4 ⟶ Al2(SO4)3 + 3 Cui. Combustionii. Double replacementiii. Single replacementiv. Synthesis/combinationv. Decomposition

s) 0.250 g of HI is dissolved in 300. mL of a 0.00520 M solution of Ca(OH)2. (Assume this does not change the volume). The dissolved salts then proceed to react. a. What is the balanced chemical reaction (include states)? b. What type of reaction is this? С. What is the limiting reactant? d. How many grams of water are produced from this reaction?

3. Which atoms in the following reaction undergo changes in oxidation state? oxidized and which one is reduced? CH3CH₂OH + Na NaOC₂H₂ + H₂ Which one is

3. What is compound A in the following reaction? Br Mg Mam OH A. I B. II C. III MgBr OH D. IV H₂O III OH Compound A IV

13.

Choose the reactants of the following reaction

S 10. Classify the following reaction: 9d1n ts1lc 3099!s o3lo walici Ba(NO3)2(aq)+NazS04(aq) - 2 NaN O3 (aq) +BaSO4(s) oth 2uto a. Combustion b. Decomposition c. Double Replacement d. Precipitation e. Both C &D f. All of these deo O

Classify each equation as either decomposition, combination, or combustion.