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3 years ago

These are large chemical compounds, primarily consisting of carbon and hydrogen, that exist in living organisms.

Chemistry

2 answers:

Alchen [17]3 years ago

7 0

Answer:

Biomolecule

Explanation:

The biomolecules are referred to the substances that are generated by the cells inside the living bodies. They are mainly made up of hydrogen and carbon. They have a variety of size and structure, and are responsible for the functioning of the living body. They are comprised of four major biomolecules. They are as follows-

(1) Carbohydrates

(2) Lipids

(3) Nucleic acids

(4) Proteins

For example, the lipids plays an important role in the storage of energy within the cells.

TEA [102]3 years ago

4 0

It is called a Biomolecule

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In a mixture of 3 gases what is the total pressure of the gases if Gas A exerts a pressure

kirill [66]

Answer:

760 mm of Hg

Explanation:

If the gases A , B and C are non reacting , then according to Dalton's Law of Partial Pressure the total pressure exerted is equal to sum of individual partial pressure of the gases .

If there are n , number of gases then ,

$P_{total}= P_1+P_2+P_3+\dots +P_n$

Here ,

Partial pressure of Gas A = 400mm of Hg
Partial pressure of Gas B = 220 mm of Hg
Partial pressure of Gas C = 140mm of Hg

Hence the total pressure exerted is ,

$P_{total}= P_{Gas\ A }+P_{Gas\ B }+P_{Gas\ C }$

Substitute ,

$P_{total}=( 400 + 220 + 140 )mm\ of \ Hg$

Add ,

$P_{total}= 760\ mm\ of \ Hg$

Hence the total pressure exerted by the gases is 760 mm of Hg.

I hope this helps.

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2 years ago

The nitrogen and hydrogen atoms that make up ammonia are held together by a

kaheart [24]

Ammonia, NH. Hydrogen atoms can each form one covalent bond, while and nitrogen atoms can each form three covalent bonds. Three pairs of electrons are shared in an ammonia molecule (NH3).

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3 years ago

Which equation agrees with the ideal gas law? mc005-1.jpg mc005-2.jpg mc005-3.jpg mc005-4.jpg

AlexFokin [52]

The ideal gas equation is pV = nRT

From that you can derive several equations, depending on which variables are fixed.

1) When n and T are fixed:

pV = nRT = constant

pV = constant => p1 V1 = p2 V2 => p1 / V2 = p2 / V1 ---> Boyle's Law

2) When n and V are constant:

p / T = nR/V = constant

p / T = constant => p1 / T1 = p2 / T2 ----> Gay - Lussac's Law

3) when n and p are constant

V / T = nR/p = constant

V / T = constant => V1 / T1 = V2 / T2 ---> Charles' Law

4) When only n is constant

pV / T = nR = constant

pV / T = constant => p1 V1 / T1 = p2 V2 / T2 ----> Combined gas law.

There you have the four equations that agree with the ideal gas law.

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3 years ago

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If 3.5 g H2 react with 18.7 g O2 what is the limiting reactant?

Pachacha [2.7K]

O2 is the limiting reactant

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3 years ago

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The energy changes in chemical reactions occurs when atoms _____ to form new substances.

Zanzabum

A chemical reaction is marked by new substance formation. The energy changes in chemical reactions occur when atoms rearrange to form new substances.

<h3>What is a chemical reaction?</h3>

A chemical reaction is said to be the process that is characterized by the formation of new substances by the alteration of the chemical composition and the properties of the compound or the molecule.

The reaction results in a new product by the rearrangement of the atoms of the reactant molecule by breaking and creating chemical bonds. The bonds are altered by the change in energy.

Therefore, rearrangement is the correct blank.

Learn more about chemical reactions, here:

brainly.com/question/26690612

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1 year ago