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marta [7]
3 years ago
8

In a polar bond, ____ are not shared equally between atoms.

Chemistry
2 answers:
Lelechka [254]3 years ago
8 0
Electrons(shiwhgsvdjdjwvndkshwgvsbdjdhhagdbdjjshwvwb)
xeze [42]3 years ago
5 0

Explanation:

Polar Covalent Bonds. A polar

covalent bond exists when

atoms with different

electronegativities share

electrons in a covalent bond.

Consider the hydrogen chloride

(HCI) molecule. Each atom in

HCI requires one more electron

to form an inert gas electron

configuration.

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If I had 3.50 x 10 24molecules of Cl2 gas, how many grams is this?
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Answer:

412 g Cl₂

General Formulas and Concepts:

<u>Atomic Structure</u>

  • Reading a Periodic Table
  • Moles
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<u>Stoichiometry</u>

  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

[Given] 3.50 × 10²⁴ molecules Cl₂

[Solve] grams Cl₂

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

Avogadro's Number

[PT] Molar Mass of Cl - 35.45 g/mol

Molar Mass of Cl₂ - 2(35.45) = 70.9 g/mol

<u>Step 3: Convert</u>

  1. [DA] Set up:                                                                                                       \displaystyle 3.50 \cdot 10^{24} \ molecules \ Cl_2(\frac{1 \ mol \ Cl_2}{6.022 \cdot 10^{23} \ molecules \ Cl_2})(\frac{70.9 \ g \ Cl_2}{1 \ mol \ Cl_2})
  2. [DA] Divide/Multiply [Cancel out units]:                                                           \displaystyle 412.072 \ g \ Cl_2

<u>Step 4: Check</u>

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

412.072 g Cl₂ ≈ 412 g Cl₂

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