University:
Ohio State University
Course:
CHEM 1210 | General Chemistry I
Academic year:

2024
Views:

54

Pages:

1
Author:

Charlee Buchanan

Firework Colors Synthesize Information 1. SEP Construct an Explanation How do different elements and compounds produce the colors of fireworks? Bright greens are produced by barium, deep reds by strontium, blues by copper, and yellow by sodium. Elements can be combined to create other hues, such as vivid orange produced by strontium and sodium, silvery white by titanium, zirconium, and magnesium alloys, and lavender by copper and strontium. 2. SEP Obtain Information What problem occurs if the firework mixture is not pure (i.e., they are dirty or contaminated)? Fireworks quickly contaminate the entire atmosphere, leaving behind metal particles, poisonous substances, harmful synthetic compounds, and smoke that are all around for a considerable amount of time. Some of the toxins don't entirely decompose or decay; instead, they remain in the soil and harm anything they come into contact with. 3. SEP Construct an Explanation What is incandescence? How is incandescence used to create effects with fireworks? when a substance is suﬃciently heated to emit light. A heated solution will progress up the color spectrum, passing through infrared, red, orange, yellow, and all the other hues. By carefully regulating the heat, ﬁreworks are produced, keeping the material a single color. 4. SEP Construct an Explanation A fireworks designer is planning a red-, white-, and blue-themed finale for her fireworks display. She is also planning a fountain effect. Describe the chemicals she will need and how each will produce the desired effect. Lithium carbonate, strontium salts, lithium salts, barium oxide, copper compounds + chlorine producer, copper acetoarsenite (Paris Green), Cu3 As2 O3 Cu(C2 H3 O2)2 = blue, whitehot metal, such as magnesium or aluminum, Li2 CO3 = red. To create the fountain effect, we will require a metal compound that, when heated, emits an incandescent.

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