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atroni [7]
3 years ago
6

Which property explains why water is able to travel against gravity, from the roots of a plant to the leaves at the top of the p

lant? (Don't say cohesion or adhesion)
Chemistry
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0

Answer:

Surface tension is also a property that enables water to travel against gravity.

Explanation:

Surface tension is a property of a liquid that holds the surface together and allows it to resist an external force.

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Balancing nuclear equations is slightly different than balancing chemical equations. The major difference is that in nuclear rea
vesna_86 [32]

Answer:

The correct answer is - 4.

Explanation:

As we known and also given that the total of the superscripts that is mass numbers, A in the reactants and products must be the same.The mass of products A can understand and calculated by this -

The sum of the product mass number of products = mass of reactant

237Np93 →233 Pa91 +AZX is the equation,

Solution:

Mass of reactants = 237

Mass of products are - Pa =233 and A = ?

233 + A = 237

A = 237 - 233

A = 4

So the equation will be:

237Np93 →233 Pa91 +4He2 (atomic number Z = 2 ∵ difference in the atomic number of reactant and products)

5 0
3 years ago
Why amino acids are soluble in pH=3 or pH=10 solutions more than it dissolves in pH=7 solutions?
Ray Of Light [21]

Answer:

Solubility is Affected by pH

The pH of an aqueous solution can affect the solubility of the solute. By changing the pH of the solution, you can change the charge state of the solute.

At pH extremes, the amino acid molecules mostly carry a net charge, thus increasing their solubility in polar solvent. At very low or very high pH, the amino acid molecules have increased charge, thus form more salt bonds with water solvent molecules.

An isoelectric point is the pH at which an amino acid exists as its zwitterion. A zwitterion is the dipolar ionic form of an amino acid. ... If the pH is lower (in acidic conditions) than the isoelectric point then the amino acid acts as a base and accepts a proton at the amino group. This gives it a positive change.

An amino acid is usually more soluble in aqueous solvent at pH extremes than it is at a pH near the isolelectric point of the amino acid. (Note that this does not mean that the amino acid is insoluble at a pH near its pI.)

Which of the following statements correctly explains this phenomenon?

(Select all that apply.)

The neutral charge of an amino acid molecule at its isoelectric point will make the molecule hydrophobic.

At pH extremes, the amino acid molecules mostly carry a net charge, thus increasing their solubility in polar solvent.

At very low or very high pH, the amino acid molecules have increased charge, thus form more salt bonds with water solvent molecules.

At pH values far from the isoelectric point, individual amino acid molecules have greater kinetic energy, thus more readily stay in solution.

<h2>Please mark me as brainliest</h2>

8 0
3 years ago
What is the molecular formula of a compound with the empirical formula SO and molecular weight 96.13?
anyanavicka [17]

S2O2 because the molecular formula of SO is just SO because they are both diatomic elements, but the empirical formula is just the but mot simplified, or S2O2.

4 0
3 years ago
Condition required for nuclear fusion in the sun?
Schach [20]
The Sun<span> is a main-sequence star, and thus generates its energy by </span>nuclear fusion<span> of hydrogen nuclei into helium. In its core, the </span>Sun<span> fuses 620 million metric tons of hydrogen each second.</span>
3 0
3 years ago
Read 2 more answers
Which picture shows the particles in a mixture?
kakasveta [241]

hi <3

a mixture is a group of compounds that aren't chemically combined

thus, it would be picture III and IV.

hope this helps :)

8 0
3 years ago
Read 2 more answers
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