Chemical Reactions

Front

Which of the following is an example of a CHEMICAL change?

• Shattering a window with a baseball
• Ripping paper into 1,000,000,000 tiny pieces
• Rusting an iron bar on a humid day
• Melting a block of copper metal

Back

Rusting an iron bar on a humid day

Front

Which of the following is an example of a PHYSICAL change?

• Neutralizing vinegar with baking soda
• Breaking your iPad with a rock due to school stress
• Creating a precipitate by mixing Lead Nitrate and Sodium Iodide
• Burning popcorn in the microwave

Back

Breaking your iPad with a rock due to school stress

Front

Basic structure of single replacement reactions?

Back

A + BC --> AC + B

Front

What are the products of ALL combustion reactions?

Back

Carbon Dioxide and Water

Front

What type of reaction is this? 2NaHCO₃ --> Na₂CO₃ + H₂O + CO₂

Back

Decomposition

Front

What type of reaction is this? 2Na + 2H₂O --> 2NaOH + H₂ Options: Single Replacement, Double Replacement, Synthesis, Decomposition

Back

Single Replacement

Front

What does the symbol (aq) stand for?

Back

Aqueous

Front

What does the symbol Δ represent?

Back

Change in heat

Front

Use the activity series to determine if the reaction will occur: Ca + Fe₂S₃ --> ?

Back

Yes, the reaction will occur

Front

Which coefficient should be placed in front of NH₃ to balance this equation? NH₃ + H₂SO₄ --> (NH₄)₂SO₄

Back

2