<h3>
Answer:</h3>
150 g Si
<h3>
General Formulas and Concepts:</h3>
<u>Math</u>
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Chemistry</u>
<u>Atomic Structure</u>
- Reading a Periodic Table
- Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.
<u>Stoichiometry</u>
<h3>
Explanation:</h3>
<u>Step 1: Define</u>
[Given] 3.2 × 10²⁴ atoms Si
[Solve] grams Si
<u>Step 2: Identify Conversions</u>
Avogadro's Number
[PT] Molar Mass of Si - 28.09 g/mol
<u>Step 3: Convert</u>
- [DA] Set up:

- [DA] Multiply/Divide [Cancel out units]:

<u>Step 4: Check</u>
<em>Follow sig fig rules and round. Instructed to round to 2 sig figs.</em>
149.266 g Si ≈ 150 g Si
Answer:
4:16
Quick Facts
Species
Native
Size
5 to 6 inches in length
Habitat
Muddy marshes, tidal creeks and grass flats and along sheltered shores. In summer, may range along a hundred feet of the shoreline and a few yards offshore. During colder months, often retreat to deeper waters or burrow six to eight inches deep in bottom mud or silt.
Range
Abundant, permanent residents of the entire Chesapeake Bay. Found on the Atlantic coast of North America from Labrador, Canada, to Mexico.
Diet
Diet includes algae, plants, insects, small crustaceans and mollusks, other fish and carrion
Lifespan Up to 3 years
Answer:
the reactants are 2h2 and 02. the products are 2h20
have a great day my friend ;)
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