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olga55 [171]
2 years ago
8

This is agree or disagree I need help ASAP!!

Chemistry
2 answers:
PIT_PIT [208]2 years ago
8 0
All of them are agree :)
soldi70 [24.7K]2 years ago
8 0
I’m pretty sure all of them are agree
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How many atoms are there in 5.00 mol of sulphur (S)?
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Answer:

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General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Using Dimensional Analysis
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Explanation:

<u>Step 1: Define</u>

5.00 mol S

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

<u />5.00 \ mol \ S(\frac{6.022 \cdot 10^{23} \ atoms \ S}{1 \ mol \ S} ) = 3.011 × 10²⁴ atoms S

<u />

<u>Step 4: Check</u>

<em>We are given 3 sig figs. Follow sig fig rules and round.</em>

3.011 × 10²⁴ atoms S ≈ 3.01 × 10²⁴ atoms S

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3 years ago
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Answer:

Physical changes are changes that do not alter the identity of a substance. Chemical changes are changes that occur when one substance is turned into another substance.

Explanation:

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