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fenix001 [56]
3 years ago
6

How to find electronegativity differences

Chemistry
1 answer:
lidiya [134]3 years ago
8 0
To calculate electronegativity, start by going online to find an electronegativity table. You can then assess the quality of a bond between 2 atoms by looking up their electronegativities on the table and subtracting the smaller one from the larger one. If the difference is less than 0.5, the bond is nonpolar covalent.
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Answer:

Explanation:

To slow down this reaction, we can use any of the methods listed below:

  • Increase the size of the magnesium by using solid lumps of  the metal. This will take a much faster time to react than powered and granulated magnesium.
  • Reduce the concentration of the acid.
  • Let the reaction take place at a much lower temperature than that given.

These conditions will slow down a chemical reaction.

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22<br> Which of these best describes atoms of the same element?
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Answer:

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Step-by-step explanation:x

To make 500 mL of a 2 mol·L⁻¹ solution, the technician must measure the correct mass of NaOH.

Step 1. Calculate the <em>moles of NaOH </em>

c = n/V     Multiply both sides by V

n = Vc

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n = 0.5 × 2

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Step 2. Calculate the <em>mass of NaOH </em>

The molar mass of NaOH is 40.00 g/mol.

m = 1 × 40.00/1

m = <em>40 g NaOH </em>

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