Questions: Spectroscopy 3. A local theme park wants to create themed firework shows for various holidays and seasons. Suggest the best chemicals (based on the flame tests your observed today) to use for the desired firework colors. Assigned holiday/season Color Needed Chemical Valentines blood red strontium chloride and copper chloride day velvet purple Potassium chloride and copper chloride a. Suggest at least one potential issue with the chemicals you selected. Consider the SDS of the chemical and what you know about fireworks.

Solution Steps

The chemicals suggested for the firework colors are:

• Strontium chloride and copper chloride for blood red.
• Potassium chloride and copper chloride for velvet purple.

Reviewing the Safety Data Sheets (SDS) for these chemicals, we need to consider their potential hazards:

• Strontium chloride: Can cause skin and eye irritation. Harmful if swallowed.
• Copper chloride: Toxic if ingested, can cause skin and eye irritation, and is harmful to aquatic life.
• Potassium chloride: Generally safe but can cause irritation to the skin and eyes in high concentrations.

• Toxicity: Copper chloride is toxic and poses a risk if not handled properly. This could be a concern for both the environment and human health.
• Irritation: Both strontium chloride and copper chloride can cause skin and eye irritation, which necessitates careful handling and protective gear.
• Environmental Impact: Copper chloride is harmful to aquatic life, which could be a concern if residues enter water bodies.

Final Answer