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posledela
3 years ago
12

What two actions are required to work together to move water to the top of tall plants? capillary action and gravity evaporation

and capillary action adhesion and cohesion surface tension and gravity
Chemistry
2 answers:
anzhelika [568]3 years ago
8 0
Should be evaporation and capillary :) But I'll double check 
Vikentia [17]3 years ago
5 0
<h2>Two Actions required to work Together to move water to Top of Tall Plant </h2>

Evaporation and capillary action are required to work together to move water to the top of tall plants. Evaporation is a kind of condensation that happens in the form of a liquid as it transforms into the gas state when it approaches its boiling point.

Temperature, surface area and intermolecular forces are the factors which affect evaporation. Capillary action is the capacity of a liquid to move in confined areas without the help of forces, which are provided by outside like gravitational force which is due to earth.

These two phenomena are required to flow water or liquid to the top of tall plants.

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Consider the three equations below.
mash [69]

Answer:

Nuclear fusion plays an important role in making elements that are heavier than helium.

Explanation:

Nucleosynthesis is the process by which new atomic nuclei are created from pre-existing nucleons (protons and neutrons) and nuclei. According to current theories, the first nuclei were formed a few minutes after the Big Bang, through nuclear reactions in a process called Big Bang nucleosynthesis.

In order to synthesize a new element, there must be a change in the number of protons. We should remember that elements are known by the number of their protons as it represents their atomic number.

Elements heavier than helium are formed by nuclear nucleosynthesis in which nuclear fusion plays a very crucial role as typified by the equations shown in the question.

5 0
3 years ago
Arun and Marcus are asked to compare the solubility of two salts in water at room temperature. The two salts are labelled X and
oksian1 [2.3K]

Answer:

1) Salts X and Y

2) The solubility of the salts

3) a) The solvent

b) The solvent temperature

Explanation:

1) The independent variable is the variable that is suspected to be the cause of the subject of the investigation

The given investigation is meant to investigate the solubility of different salts

Therefore, the solubility is expected to be dependent on the type of salt, and the independent variable is the type of salt, X or Y

2) The dependent variable is the effect meant to be observed in the investigation, which is the solubility of the salt in water at room temperature

3) The control variables are the variables which are held constant during the investigation, including;

a) The solvent used if the investigation; water

b) The temperature of the solvent; Room temperature

3 0
3 years ago
Tap water at room temperature has a pH of 7.2 and carbonate alkalinity of 200 mg/L (= 40 mmol/L). What is the concentration of b
UNO [17]

Answer:

the concentration of bicarbonate is <em>[HCO₃⁻] = 0,03996 M </em>and carbonate is <em>[CO₃²⁻] = 3,56x10⁻⁵ M.</em>

Explanation:

Carbonate-bicarbonate is:

HCO₃⁻ ⇄ CO₃²⁻ + H⁺ With pka = 10,25

Using Henderson-Hasselbalach formula:

pH = pka + log₁₀\frac{[CO_{3}^{2-}]}{[HCO_{3}^-]}

7,2 = 10,25 + log₁₀\frac{[CO_{3}^{2-}]}{[HCO_{3}^-]}

8,91x10⁻⁴ = \frac{[CO_{3}^{2-}]}{[HCO_{3}^-]} <em>(1)</em>

Also:

0,040 M = [CO₃²⁻] + [HCO₃⁻] <em>(2)</em>

Replacing (2) in 1:

<em>[HCO₃⁻] = 0,03996 M</em>

Thus:

<em>[CO₃²⁻] = 3,56x10⁻⁵ M</em>

I hope it helps.

4 0
3 years ago
Why does spilt petrol forms a slick on top of water
Marina CMI [18]
It does that because petrol is a liquid chemical,has a lower mass per volume,or density,then the water on top so it spread out on top of the water
7 0
3 years ago
1 point
Dafna11 [192]

Answer:ee

Explanation:

7 0
3 years ago
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