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Dmitry_Shevchenko [17]
3 years ago
14

What purpose did the chemical water serve at the time

Chemistry
1 answer:
elena-14-01-66 [18.8K]3 years ago
6 0

Answer:

At What time?

Explanation:

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Draw the Lewis Structure for NI3.
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Explanation:

Nitrogen triiodide (NI₃)

Valence electrons of nitrogen = 5

Valence electrons of iodine = 7

The total number of the valence electrons  = 5 + 3(7) = 26

The Lewis structure is drawn in such a way that the octet of each atom and duet for the hydrogen in the molecule is complete. So,  

The Lewis structure is shown in image below.

Nitrogen posses one lone pair and thus the geometry is pyramidal.

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3 years ago
Which statement is true regarding the function of a catalyst in a chemical reaction?Enzymes are biological catalysts capable of
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Answer:

.A catalyst provides an alternate mechanism for the reaction

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A substance joined by this type of bond has a low melting point
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Covalent compounds have bonds where electrons are shared between atoms. Due to the sharing of electrons, they exhibit characteristic physical properties that include lower melting points and electrical conductivity compared to ionic compounds.
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As we move across the periodic table of elements, certain trends are evident. The placement of individual elements in the period
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A and E

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How many molecules of water are there in 0.234 L of water
tankabanditka [31]

Answer:

7.82x10^24 molecules of water

Explanation:

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