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gogolik [260]
3 years ago
7

Cansjhdhsbdhajajajhsbsbshs hahahah she jansbsbsns haha be safe

Chemistry
1 answer:
V125BC [204]3 years ago
4 0

Answer:

wait what?

Explanation:

brainliest pls

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What are five objects that are luminous
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- the sun
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5 0
3 years ago
construct the lewis structure of oo . draw the structure by placing atoms on the grid and connecting them with bonds. include al
ankoles [38]

In Lewis dot structures, you draw the atom in the center and then surround the atom with its valence electrons. The Lewis structure for O is as shown in the attached diagram.

<h3>What is the Lewis structure of O ?</h3>

Lewis Structure of an atom of oxygen contains 6 electrons in the valence shell. Four valence electrons exist in lone pairs. It implies that oxygen atom must participate in two single bonds or one double bond in order to have an octet configuration.

A simplified representation of the valence shell electrons in a molecule  is called Lewis Structure. It shows how electrons are arranged around individual atoms in the molecule.

To know more about Lewis structure, refer

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8 0
10 months ago
A buffer solution is prepared by dissolving equal amounts of ascorbic acid and sodium ascorbate, the conjugate base, in water. T
Gnom [1K]

THANKS

\color{pink} \rule{500pt}{100000000pt}

8 0
2 years ago
phosphorus-32 ahs a half-life of 14.0 days. Starting with 8.00 g of 32 P, how many grams will remain after 56.0 days
sertanlavr [38]
0.500 grams would be left after 56.0 days.

After 14 days=4.00 g
After 28 days=2.00 g
After 42 days=1.00 g
After 56 days=0.500 g

This is after four half lives.
3 0
3 years ago
(10 points) A student gathers the following data for the freezing point depression of a pure solvent and solvent-solute solution
Alex17521 [72]

Answer:

548 g/mol

Explanation:

The freezing point depression of a solvent occurs when a nonvolatile solute is added to it. Because of the interactions between solute-solvent, it is more difficult to break the bonds, so the phase change will need more energy, and the freezing point will drop, which is called cryoscopy.

The drop in temperature can be calculated by:

ΔT = Kf*W*i

Where Kf is the cryoscopy constant of the solvent, W is the molality, and i is the van't Hoff factor, which indicates the fraction of the solute that dissolves.

The molality represents how much moles (n) of the solute is presented in each kg of the solvent (m2), thus

W = n/m2

The number of moles is the mass of the solute (m1) in g, divided by the molar mass (M1) of it:

W = m1/(M1*m2)

So, by the data:

0.2214 = 0.632/(M1*0.00521)

0.00115M1 = 0.632

M1 = 548 g/mol

6 0
3 years ago
Read 2 more answers
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