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Nina [5.8K]
2 years ago
10

What would be the water potential of pure water at atmospheric pressure?

Chemistry
1 answer:
ANTONII [103]2 years ago
4 0
Zero is the value of water potential of pure water at atmospheric pressure.
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Use the pie section above to answer this question.
egoroff_w [7]
The answer is Liquid iron.
4 0
3 years ago
9. Write a balanced nuclear equation for the following: The isotope Strontium-90 decays by Q-
Sergio039 [100]

Answer: _{38}^{90}\textrm{Sr}\rightarrow _{36}^{86}\textrm{Kr}+_2^4\textrm{He}

Explanation:

Alpha Decay: In this process, a heavier nuclei decays into lighter nuclei by releasing alpha particle. The mass number is reduced by 4 units and atomic number is reduced by 2 units.

General representation of an element is given as:   _Z^A\textrm{X}

where,

Z represents Atomic number

A represents Mass number

X represents the symbol of an element

General representation of alpha decay :

_Z^A\textrm{Sr}\rightarrow _{Z-2}^{A-4}Y+_2^4\alpha

The  balanced nuclear equation when the isotope Strontium-90 decays by Q-  decay is :

_{38}^{90}\textrm{Sr}\rightarrow _{36}^{86}\textrm{Kr}+_2^4\textrm{He}

4 0
3 years ago
1. a) Name two examples of good conductors?
Pachacha [2.7K]
A. good conductors - copper, aluminium

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c. insulator  -   paper, wood
7 0
3 years ago
The chemical bonding in sodium phosphate, Na3PO4, is classified as:
fiasKO [112]
<span>Ionic bonding between sodium and phosphate ions.</span>
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Describe the experimental basis for believing that the nucleus occupies a very small fraction of the volume of the atom.
svetlana [45]

Explanation:

Rutherford conducted an experiment in which he took a thin gold particle film on which he passes alpha- particles. He noticed that:

  • Most of the alpha particles get through the film and can be detected by the detector.
  • Around small portion of the alpha particle deflected at small angles.
  • A very very few alpha particle (approximately 1 out of 1 million alpha particles) just retraced their path which means come back from the center.

He concluded that:

<u>Most of the space of the atom is empty and in the center of the atom , there is solid mass which is the cause of the alpha particles to come back. He gave the term nucleus to this solid mass.</u>

4 0
3 years ago
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