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Otrada
1 month ago
9

Which graphic below shows the correct orientation of each water molecule when it is near the cl- ion in the aqueous solution?

Chemistry
1 answer:
lions [2.9K]1 month ago
8 0

The required graphics to address the question are absent, which I have attached as an image.

There are four representations depicting the arrangement of water molecules surrounding a chloride anion. Let's commence with the analysis of the water molecule.

The structure of water is represented as H-O-H. The oxygen atom possesses a higher electronegativity compared to the hydrogen atoms, leading to a partial positive charge on the hydrogens and a partial negative charge on oxygen.

The chloride anion carries a negative charge. Consequently, the water molecules will align such that the hydrogens are directed toward the chlorine atom, as their partial positive charge is attracted to the chlorine's negative charge.

Graph 3 accurately illustrates this orientation, showing all hydrogen atoms pointing towards the chloride anion.

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1 month ago
How many milliliters of 0.200 M NH4OH are needed to react with 12.0 mL of 0.550 M FeCl3?
eduard [2782]

Response:

9.9 ml of 0.200M NH₄OH(aq)

Reasoning:

3NH₄OH(Iaq) + FeCl₃(aq) => NH₄Cl(aq) + Fe(OH)₃(s)

What volume in ml of 0.200M NH₄OH(aq) will fully react with 12ml of 0.550M FeCl₃(aq)?

1 x Molarity of NH₄OH x Volume of NH₄OH Solution(L) = 2 x Molarity of FeCl₃ x Volume of FeCl₃ Solution

1(0.200M)(Volume of NH₄OH Soln) = 3(0.550M)(0.012L)

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5 0
1 month ago
A 0.680 M Ca(OH)2 solution was prepared by dissolving 55.0 grams of Ca(OH)2 in enough water. What is the total volume of the sol
castortr0y [3046]
Convert 55.0g Ca(OH)2 to moles.

The calculation shows that 55.0g of Ca(OH)2 corresponds to 0.742 moles.

To find the volume, divide 0.742 mol of Ca(OH)2 by its molarity of 0.680M, yielding approximately 1.09L of Ca(OH)2.

If you disregard the negligible volume of the Ca(OH)2 itself, the resulting total volume of a 0.680M solution created by dissolving 55.0g of Ca(OH)2 in an appropriate amount of water would be 1.09L.
4 0
1 month ago
Read 2 more answers
A heat energy of 645 J is applied to a sample of glass with a mass of 28.4 g. Its temperature increases from –11.6 ∞C to 15.5 ∞C
Anarel [2989]
The amount of heat needed to elevate an object's temperature can be determined using the formula,
heat = mass x specific heat x (T2 - T1)
Thus, specific heat can be found with the following formula,
specific heat = heat / (mass x (T2 - T1))
By substituting,
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20 days ago
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Explanation:

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4 0
1 month ago
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