balancing equations test

Ammonium dichromate decomposes to form chromium (III) oxide, Nitrogen gas, and water. What is the balanced equation?

• 
• 
• 
• 

Water is decomposed by electrolysis to form the gaseous products hydrogen and oxygen. What is the balanced equations?

• 
• 
• 
• 

When lithium hydroxide pellets are added to a solution of sulfuric acid it produces lithium sulfate and water? What type of reaction is this?

• Double displacement

• Single displacement

• Synthesis

• Decomposition

Zinc and lead (II) nitrate react to form zinc nitrate and lead. Remember zinc always has a charge of +2. What is the balanced equation?

• 
• 
• 
• 

If you combine vinegar (acetic acid) and baking soda (sodium hydrogen carbonate) for a chemical volcano. You experience a double displacement, or metathesis reaction (plus some others.) The ingredients recombine to form sodium acetate, carbon dioxide gas, and water. The carbon dioxide forms bubbles in the volcano and helps baked goods rise.

• 
• 
• 
• 

balance the following equation

 $Fe_2O_3\ +\ CO\ \rightarrow\ Fe\ +\ CO_2$  

• 
• 
• 
• 

Balance the following equation

 $CH_3CH_2CH_2CH_{3\ }+\ O_2\ \rightarrow\ CO_2\ +\ H_2O$  

• 
• 
• 
• 

Balance the following equation

 $Na\ +\ NaNO_3\ \rightarrow\ Na_2O\ +\ N_2$  

• 
• 
• 
• 

Balance the following equation

 $Rb\ +\ S_8\ \rightarrow\ Rb_2S$  

• 
• 
• 
• 

Balance the following equation

 $Mg\ +\ Cl_2\ \rightarrow\ MgCl_2$  

• 
• 
• 
•