1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
EleoNora [17]
3 years ago
12

Why nucleus is stable?

Chemistry
2 answers:
Blizzard [7]3 years ago
7 0
<span> In summary it is the balance of protons and neutrons in a </span>nucleus<span> which determines whether a </span>nucleus<span> will be</span>stable<span> or unstable. Too many neutrons or protons upset this balance disrupting the binding energy from the strong nuclear forces making the </span>nucleus<span> unstable.</span>
igor_vitrenko [27]3 years ago
5 0
<span>Unstable Nuclei. ... In summary it is the balance of protons and neutrons in a nucleus which determines whether a nucleus will be stable or unstable. Too many neutrons or protons upset this balance disrupting the binding energy from the strong nuclear forces making the nucleus unstable.</span>
You might be interested in
Which of the following best explains what happens when the kinetic energy of particles in a liquid state increases?
klio [65]

They move fast enough to overcome the forces of attraction that hold them together, becoming a gas.

ITS THAT :)

5 0
2 years ago
Read 2 more answers
"What is the change of entropy for 3.0 kg of water when the 3.0 kg of water is changed to ice at 0"
Artyom0805 [142]

Q: What is the change of entropy for 3.0 kg of water when the 3.0 kg of water is changed to ice at 0 °C? (Lf = 3.34 x 105 J/kg)

Answer:

-3670.33 J/K

Explanation:

Entropy: This can be defined as the degree of randomness or disorderliness of a substance. The S.I unit of Entropy is J/K.

Mathematically,  change of Entropy can be expressed as,

ΔS = ΔH/T ....................................... Equation 1

Where ΔS = Change of entropy, ΔH = heat change, T = temperature.

ΔH = -(Lf×m).................................... Equation 2

Note: ΔH is negative because heat is lost.

Where Lf = latent heat of ice = 3.34×10⁵ J/kg, m = 3.0 kg, m = mass of water = 3.0 kg

Substitute into equation

ΔH = -(3.34×10⁵×3.0)

ΔH = - 1002000 J.

But T = 0 °C = (0+273) K = 273 K.

Substitute into equation 1

ΔS = -1002000/273

ΔS = -3670.33 J/K

Note: The negative value of ΔS shows that the entropy of water decreases when it is changed to ice at 0 °C

4 0
2 years ago
Which statement is true about a liquid but not a gas?
vovangra [49]

Answer:

I think its D

Explanation:

.........................

3 0
3 years ago
Read 2 more answers
Which type of matter can be separated by physical means? A. atom B. element C. compound D. mixture
madreJ [45]

Answer:

b

Explanation:

A pure substance has a constant composition and cannot be separated into simpler substances by physical means. There are two types of pure substances: elements and compounds.

7 0
2 years ago
Read 2 more answers
Consider the redox reaction below.
vovangra [49]

Answer:

Zn(s) → Zn⁺²(aq) + 2e⁻

Explanation:

Let us consider the complete redox reaction:

Zn(s) + 2HCl(aq) → ZnCl₂(aq) + H₂(g)

This is a redox reaction because, both oxidation and reduction is simultaneously taking place.

  • Oxidation (loss of electrons or increase in the oxidation state of entity)
  • Reduction (gain of electrons or decrease in the oxidation state of the entity)
  • An element undergoes oxidation or reduction in order to achieve a stable configuration. It can be an octet configuration. An octet configuration is that of outer shell configuration of noble gas.

Here Zn(s) is undergoing oxidation from OS 0 to +2

And H in HCl (aq) is undergoing reduction from OS +1 to 0.

Therefore, for this reaction;

Oxidation Half equation is:

Zn(s) → Zn⁺²(aq) + 2e⁻

Reduction Half equation is:

2H⁺ + 2e⁻ → H₂(g)

4 0
3 years ago
Other questions:
  • If 35 ml of 6.0 m h2so4 was spilled, calculate the minimum mass of nahco3 that must be added to the spill to neutralize the acid
    7·1 answer
  • Where else can you observe colorful light emisiions? are these emission applications related?​
    14·1 answer
  • The mass number is equal to which of the following? Question 5 options: Protons + Neutrons Protons + Atomic Number Neutrons + El
    15·1 answer
  • Which element is the basis for all living things and can combine with other elements in many ways? a.phosphorus
    10·2 answers
  • Which statement best describes what the volume of an object represents
    7·1 answer
  • What might happen if the greenhouse effect didn't exist?
    6·2 answers
  • Na-23 has 12 neutrons.what is its atomic number?<br> A.11<br> B.12<br> C.23<br> D.34
    5·1 answer
  • What biomolecule is considered the "instruction manual for
    6·1 answer
  • Salts when dissolved in water releases
    6·1 answer
  • How many moles in 206.91 g Na
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!