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Vilka [71]
2 years ago
11

What type of reaction is Cl2+2NaBr=NaCl+Br2

Chemistry
1 answer:
Gnoma [55]2 years ago
5 0

Answer:

Displacement reaction

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Calculate the number of moles in a 14.5 gram sample of C4H10.
cricket20 [7]
Moles= mass divided by molar mass
Molar mass= 12.01(4) + 1.01(10)
                 = 58.14g/mol

Moles=14.5g / 58.14g/mol
         =0.249

Therefore there are approx 0.249 moles in a 14.5g sample of C4H10
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1. Pure substances cannot be separated into any other kinds of matter, while a mixture is a combination of two or more pure substances.

2. A pure substance has constant physical and chemical properties, while mixtures have varying physical and chemical properties (i.e., boiling point and melting point).

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A solution at 25 degrees Celsius is 1.0 × 10–5 M H3O+. What is the concentration of OH– in this solution? 1.0 × 10–5 M OH– 1.0 ×
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1.0 × 10⁻⁹ M.

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<em>∵ [H₃O⁺][OH⁻] = 10⁻¹⁴.</em>

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See below  

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