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4 years ago

I need help on this question I need to finish this

Chemistry

1 answer:

Nesterboy [21]4 years ago

3 0

Answer:

Explanation:

Diabetes is caused when the pancreas has trouble producing insulin, a hormone that lowers blood sugar levels. Since the endocrine system deals with hormones, diabetes is an endocrine system disease.

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PLEASE HELP ASAP If an aluminum bar has a mass of 34.9 g and a density of 3.8 g/mL, what is the volume?

nasty-shy [4]

Answer:

92 cm^3

Explanation:

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4 years ago

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Pls help--How do double-pane windows affect the transfer of heat between the inside and outside air?

Margarita [4]

Answer:C

Explanation:

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3 years ago

How will the changes listed affect the position of the following equilibrium? 2 NO2(g) 4 NO(g) 1 NO3(g) a. The concentration of

grandymaker [24]

Answer:

(a) backward direction

(b) forward direction

(c) no change

Explanation:

(a)

On increasing the concentration of NO , the reaction will go in backward direction , as, according to le chatelier's principle ,

In a chemical equilibrium , when the concentration , pressure or temperature is changed , the equilibrium of the reaction is disturbed , hence, in order to gain attain the equilibrium the reaction moves in order to counteract the changes.

So, in this case, the reaction goes back , to reduce the increased concentration of NO.

(b)

On increasing the concentration of NO2 , the reaction goes in forward direction ,

according to le chatelier's principle ,

the reaction moves in forward direction , to reduce the increased concentration of NO2.

(c)

No change ,

As, changing the volume , does not effect change in the concentration,

Hence,

No change , as the system is allowed to expand to 5 times its initial value.

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4 years ago

What is zinc chemical formula?

Ann [662]

Answer:

Zn+2

Explanation:

I'm sorry if its wrong but have a good one!

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3 years ago

What type of central-atom orbital hybridization corresponds to each electron-group arrangement:

galina1969 [7]

Tetrahedral arrangement is resulted upon mixing one s and three p atomic orbitals, resulting in 4 hybridized $sp^3$ orbitals → $sp^3$ hybridization.

<h3>What is orbital hybridization?</h3>

In the context of valence bond theory, orbital hybridization (or hybridisation) refers to the idea of combining atomic orbitals to create new hybrid orbitals (with energies, forms, etc., distinct from the component atomic orbitals) suited for the pairing of electrons to form chemical bonds.

For instance, the valence-shell s orbital joins with three valence-shell p orbitals to generate four equivalent sp3 mixes that are arranged in a tetrahedral configuration around the carbon atom to connect to four distinct atoms.

Hybrid orbitals are symmetrically arranged in space and are helpful in the explanation of molecular geometry and atomic bonding characteristics. Usually, atomic orbitals with similar energies are combined to form hybrid orbitals.

Learn more about Hybridization

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2 years ago