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ryzh [129]
2 years ago
7

In 1787,_________discovered a relationship between charge, their separation, and the force between the two charges. A coulomb B

Newton C Gilbert
Chemistry
1 answer:
masya89 [10]2 years ago
7 0

The answer is A. Columb

Columb discovered a relationship between charge, their speration, and the force between the two charges in 1787

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N2H4+H2O2 ——> N2+H2O coefficient
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H=6 ->8      H=2 ->8

O=2 -> 4     O=1 -> 4

Add coefficients to hydrogen peroxide on the left and water on the right, so that there is an equal number of hydrogens and oxygens.

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Which of the following elements would form the smallest ionic radius and why?
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PLEASE HELP!! GIVING BRAINLIEST
RSB [31]

Answer:

The answer is "0.00172172603".

Explanation:

Given:

Mass (M) = 1.60 \times  10^{-3} \ g\\\\Density (D) = 9.293 \times 10^{-1} \ \frac{g}{cm^3}\\\\Volume (V) =  ?

Formula:

\to \bold{V = \frac{M}{D}}

       = \frac{1.60 \times  10^{-3}}{9.293 \times  10^{-1}} \\\\  = \frac{1.60 \times  10^{1}}{9.293 \times  10^{3}} \\\\ = \frac{1.60 \times  10}{9.293 \times  1000} \\\\ = \frac{1.60 }{9.293 \times  100} \\\\ = \frac{1.60 }{929.3 } \\\\= 0.00172172603

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