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2 years ago

Which of the following is composed of organic compounds?

2 answers:

3 0

The best answer would be HUMANS.

This is because organic compounds are essentially carbon based compounds and the human body is made up of many such compounds such as the protein that makes up skin, hair, nails, hormones and enzymes; gylcoproteins that are essential for cell membrane; fat found in skin and other tissues.

Nikolay [14]2 years ago

3 0

Answer:

Humans

Explanation:

Organic compounds are molecules that are present in living systems. These are mainly characterised by the presence of carbon (C) atoms which are linked together in the form of linear chains or arranged in ring like structures. In addition to carbon, organic compounds also contain other atoms like hydrogen (H), oxygen (O), nitrogen(N) and sulfur (S).

The human body is mainly composed of organic compounds like proteins, lipids, amino acids, sugars and carbohydrates.

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A 7.00-mL portion of 8.00 M stock solution is to be diluted to 0.800 M. What will be the final volume after dilution? Enter your

amm1812

Explanation:

The number of moles of solute present in liter of solution is defined as molarity.

Mathematically, Molarity = $\frac{\text{no. of moles}}{\text{Volume in liter}}$

Also, when number of moles are equal in a solution then the formula will be as follows.

$M_{1} \times V_{1} = M_{2} \times V_{2}$

It is given that $M_{1}$ is 8.00 M, $V_{1}$ is 7.00 mL, and $M_{2}$ is 0.80 M.

Hence, calculate the value of $V_{2}$ using above formula as follows.

$M_{1} \times V_{1} = M_{2} \times V_{2}$

$8.00 M \times 7.00 mL = 0.80 M \times V_{2}$

$V_{2} = \frac{56 M. mL}{0.80 M}$

= 70 ml

Thus, we can conclude that the volume after dilution is 70 ml.

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2 years ago

What does a pH of 7 say about a solution?

lisov135 [29]

Answer:

Explanation:

it shows that the solution is neutral.

I hope this helps

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2 years ago

Cl2+2KI→2KCl + I2 is an example of which type of reaction?

Mariulka [41]

Answer:

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Explanation:

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2 years ago

Pls help asap

S_A_V [24]

Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.

these are the definitions so hope it helps you:

carbon cycle - Pathways through which carbon is recycled through the biosphere.

cellular respiration - Process of breaking down glucose to obtain energy in the form of ATP.

photosynthesis - Process by which specific organisms (including all plants) use the sun's energy to make their own food from carbon dioxide and water; process that converts the energy of the sun, or solar energy, into carbohydrates, a type of chemical energy.

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2 years ago

Explain, in terms of charge distribution, why a molecule of carbon tetrachloride is a nonpolar molecule.

Pie

Answer:

Explanation:

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule. Covalent bonds are established between non-metallic elements, such as hydrogen H, oxygen O and chlorine Cl. These elements have many electrons in their outermost level (valence electrons) and have a tendency to gain electrons to acquire the stability of the electronic structure of noble gas.

The covalent bond between two atoms can be polar or nonpolar. If the atoms are equal, the bond will be nonpolar (since no atom attracts electrons more strongly). But, if the atoms are different, the bond will be polarized towards the most electronegative atom, because it will be the atom that attracts the electron pair with more force. Then it will be polar.

It can occur in a molecule that the bonds are polar and the molecule is nonpolar. This occurs because of the geometry of the molecule, which causes them to cancel the different equal polar bonds of the molecule.

In carbon tetrachloride the bonds are polar, but the tetrahedral geometry of the molecule causes all four dipoles to cancel out and the molecule to be apolar.

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2 years ago