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Lostsunrise [7]
3 years ago
8

A book on a table presses downward with a force equal to the upward force exerted by the table. This is an example of Newton's__

____ law of motion.
A.SECOND
B.FIRST
C.THIRD
Chemistry
2 answers:
Vsevolod [243]3 years ago
4 0
A
Is the correct answer
Lerok [7]3 years ago
3 0

Answer:

a

Explanation:

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The question is incomplete, the complete question is;

Choose the aqueous solution that has the highest boiling point. These are all solutions of nonvolatile solutes and you should assume ideal van't Hoff factors where applicable. 0.100 m C6H12O6 0.100 m AlCl3 0.100 m NaCl 0.100 m MgCl2 They all have the same boiling point.

Answer:

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Explanation:

Let us remember that the boiling point elevation is given by;

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Where;

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AlCl3 yields four particles in solution, hence ΔTb is highest for AlCl3 . The solution having the highest value of ΔTb also has the highest boiling point.

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Answer:

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General Formulas and Concepts:

<u>Chemistry - Stoichiometry</u>

  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

120 moles H₂

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

RxN:   3 mol H₂ = 3 mol Mg

<u>Step 3: Stoichiometry</u>

<u />120 \ mol \ H_2(\frac{3 \ mol \ Mg}{3 \ mol \ H_2} ) = 120 mol Mg

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