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2 years ago

Hi! Can someone help me with this???

Chemistry

1 answer:

nikklg [1K]2 years ago

4 0

Hey there,

I hope this answer solves your doubt.

Step-by-step Explanation:-

The question is asking if the bonds between Carbon and Chlorine in CCl4 will be single, double or triple bonds.

(The structure of CCl4 is attached as picture. Check it)

As per image, the structure consists of Single bonds. It is 4 single bonds.

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3 years ago

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What is photosynthesis?

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the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.

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4 years ago

How many electrons does gallium give up when it becomes an ion?

nexus9112 [7]

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3 years ago

Liquid A and liquid B form a solution that behaves ideally according to Raoult's law. The vapor pressures of the pure substances

Rama09 [41]

Answer:

Vapor pressure of solution → 151.1 Torr

Option 2.

Explanation:

Raoult's Law is relationed to colligative property about vapor pressure. A determined solute, can make, the vapor pressure of solution decreases.

ΔP = P° . Xm

where Xm is the mole fraction of solute, P° (vapor pressure of pure solvent)

and ΔP = Vapor pressure of pure solvent - Vapor pressure of solution.

In order to determine the vapor pressure of solution, we need to determine, the vapor pressure of B and A in the solution

B's pressure = P° B . Xm

When we add A to B, A works as the solute and B, as the solvent.

Vapor pressure of pure B is 135 torr. (P° B)

In order to determine, the Xm, we use the moles of A and B

Xm = 5.3 mol of B / (1.28 + 5.3) → 0.806

B's pressure = 135 Torr . 0.806 → 108.81 Torr

If mole fraction of B is 0.806, mole fraction for A (solute) will be (1 - 0.806)

A's pressure = 218 Torr . 0.194 → 42.3 Torr

Vapor pressure of solution is sum of vapor pressures of solute + solvent.

Vapor pressure of solution = 42.3 Torr + 108.81 Torr → 151.1 Torr

6 0

3 years ago

1s22s22p63823p64523d104p5s24d105p5 What is the name of the element?

Temka [501]

Answer:

IODINE

Explanation:

The sublevel notation of the element:

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁵

To find this element, we must add the powers of the each of the sublevels. This is the number of electrons in the orbital of the atom.

2 + 2 + 6 + 2 + 6 + 2 + 10 + 6 + 2 + 10 + 5 = 53

This give atom has 53 electrons and we can assume it to have an atomic number of 53.

The element is IODINE

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3 years ago