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Alenkasestr [34]
4 years ago
8

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force? Check all that ap

ply.
Nuclear binding energy holds the nuclear particles together

Nuclear binding energy is the energy needed to separate nuclear particles.

The strong nuclear force holds an atom’s protons and neutrons together.

The strong nuclear force is the energy released during radioactive decay processes.

The strong nuclear force is directly responsible for radioactive decay.

Nuclear binding energy can be calculated using E = mc2.
Chemistry
2 answers:
vitfil [10]4 years ago
8 0

Answer:Nuclear binding energy is the energy needed to separate nuclear particles

The strong nuclear force holds an atom’s protons and neutrons together

Nuclear binding energy can be calculated using E=mc2

Explanation:

EleoNora [17]4 years ago
6 0

Answer:

B, C, F.

Explanation:

I just took the test on Edge2020

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umka21 [38]

Answer:

O3 ozone

Explanation:

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4 years ago
The isotope lead-208 (208P)
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It appears as gray powder. With molecular weight of 207.9g/mol.

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It is immediately available as typical and in custom packing of different grade of food, agriculture and pharmaceuticals.


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3 years ago
Why does a reaction slow down with time?
Alex777 [14]
As a reaction proceeds the concentration of the reactants will get lower. Since reactions occur due to collisions that are in the correct orientation and lower concentrations leads to a lower amount of collisions, lower concentrations result in lower reaction rates. I hope this helps. Let me know if anything is unclear.
8 0
3 years ago
An ionic substance is formed between a positively charged cation and a negatively charged anion. Ionic substances are generally
enyata [817]

Answer:

Which of the following substances are ionic?

Check all that apply.

AlCl3

MgI2

C2H5OH

NH3

Explanation:

An ionic substance is formed between a positively charged cation and a negatively charged anion.

Ionic substances are generally formed from metal and nonmetal atoms with the metal atoms forming the cations and the nonmetal atoms forming the anions.

Among the given substances,

MgI2 is an ionic substance.

Since Mg is the metal atom. It forms a cation.

I is a  nonmetal atom. It forms anion.

Hence,

MgI2 is an ionic substance.

Though AlCl3 looks like an ionic substance it is a covalent compound.

This is due to the high polarizability of Al^3+ ion.

The remaining two compounds do not contain any metal atoms.

So, ethanol and NH3 are not ionic compounds.

Answer:

MgI2

7 0
3 years ago
How many moles of helium gas are present in 120 liters at STP
katrin2010 [14]

Answer:

d) n = 5.4 mol

Explanation:

Given data:

Number of moles of He = ?

Volume of He gas = 120 L

Temperature and pressure = standard

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

1 atm × 120 L = n × 0.0821 atm.L/ mol.K × 273.15 K

120 atm.L = n × 22.43  atm.L/ mol

n = 120 atm.L / 22.43  atm.L/ mol

n = 5.4 mol

3 0
3 years ago
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