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Lunna [17]
3 years ago
11

The definition of chemical symbol

Chemistry
2 answers:
frozen [14]3 years ago
6 0
<span>an abbreviation or short representation of a chemical element; thesymbols in the periodic table</span><span>
</span>
Dimas [21]3 years ago
6 0
Chemical symbol is a short representation 
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What term describes a carbon atom that has four different groups bonded to it?
oee [108]
A carbon which is attached to four different atoms or group of atoms with different environment is called as Chiral Carbon or Asymmetric Carbon.

Non-<span>superimposable:
</span>                                     The mirror image (molecule) of chiral carbon cotaining compounds are Non.Superimposable on each other. They are called enantiomers of each other.

Polarized Light and Chiral Carbon:
                                                       When a polarized light is allowed to fall on either enantiomer of chiral compound, it is rotated other clockwise or anti-clockwise.

Examples:
                Below are three axamples of compounds containing chiral carbon.

8 0
3 years ago
An ideal gaseous reaction (which is a hypothetical gaseous reaction that conforms to the laws governing gas behavior) occurs at
lana [24]

Answer:

ΔU = −55.45 kJ

Explanation:

From first law of thermodynamics in chemistry, we have;

ΔU = Q + W

where;

ΔU is change in internal energy

Q is the net heat transfer

W is the net work done

We are given;

Q = 74.6 kJ

But Q will be negative since heat is released

Thus;

ΔU = -74.6 kJ + W

We are given;

Constant pressure; P = 35 atm = 35 × 101325 = 3546375 N/m²

Volume before reaction; Vi = 8.2 L = 0.0082 m³

Volume after reaction; V_f = 2.8 L = 0.0028 m³

Now,

W = -P(V_f - V_i)

W = - 3546375(0.0028 - 0.0082)

W = 19.15 KJ

Thus;

ΔU = Q + W

ΔU = -74.6 kJ + 19.15 KJ =

ΔU = −55.45 kJ

6 0
3 years ago
El etanol combustiona con el oxigeno produciendo dióxido de carbono gaseoso y agua: En un proceso se hacen reaccionar 450.2 g de
Olenka [21]

Answer:

uh oh stinky uh oh stinky

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3 years ago
Name the substance that makes up fats
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Carbohydrates is the substance that makes up fats
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3 years ago
The following reaction is part of the electron transport chain. Complete the reaction and identify which species is reduced. The
Olegator [25]

Answer:

FADH_2 + Q --> FAD + QH_2

The reactant that is reduced is FADH_2

Explanation:

The complete equation is as below:

FADH_2 + Q --> FAD + QH_2

<em>Recall that oxidation involves the gain of electrons while reduction involves the loss of electrons.</em>

In the above reaction, FADH_2 loses electrons to coenzyme Q and becomes reduced to FAD, hence the oxidizing agent. Coenzyme Q gains electrons and becomes oxidized to QH_2 , hence the reducing agent.

<u>In order words, </u>FADH_2<u> is reduced while coenzyme Q is oxidized.</u>

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3 years ago
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