What similarities do nuclear energy and chemical energy share?

Answers

Answer 1
Answer: atoms can be the source of both nuclear and chemical energy. Nuclear energy involves the atom's nucleus; chemical energy involves the atom's electrons—subatomic particles that surround the nucleus.
Answer 2
Answer:

Both are types of potential energy, and Involve stored energy.  


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Determine the number of atoms in 25.0 grams of bromine, Br. (The mass of one mole of bromine is 79.90 g.)

Answers

Answer: 1,88×10²³ atoms of Br in 25g of Br

Explanation:

25g Br

1 mol of Br =79,9g Br

Number of Avogadro: 6,022×10²³ = 1 mol

25gBr× 1molBr/79,9gBr =

6,022×10²³ atoms of Br/1 mol Br =

1,88×10²³ atoms of Bromine

An ionic solid is placed in a beaker of water. Which of the following occurs when there is a strong attraction between the solute and the solvent?A. The solute melts.
B. The solute dissolves.
C. The solute remains intact.
D. The solute reacts to form a precipitate.

Answers

Answer: Option (B) is the correct answer.

Explanation:

An ionic solid is a substance which has ionic bonds, that is, formed by the transfer of electrons.

Ionic bonds have strong force of attraction because ionic solids have opposite charges which strongly attract each other.

When we dissolve ionic solid in a beaker of water, it completely dissociate into its ions because polar molecules or solutes dissolve in polar solvents.

For example, when NaCl is dissociated into ions then the reaction is as follows.

          NaCl \rightarrow Na^(+) + Cl^(-)

Thus, we can conclude that when an ionic solid is placed in a beaker of water then the solute dissolves in it.

The answer is B. the solute dissolves. The ionic solid has attraction between ions and when there is strong attraction between solute and solvent, the ion will separate and dissolve in water.

Which has should only be produced in a fume hood?a. Cl2
b. CO2
c. H2
d. H2O

Answers

The gas that should only be produced in a fume hood is a. Cl2.
Chlorine gas is toxic gas. Upon inhalation, it irritates the pulmonary tract and damages the respiratory tract. Both short term and long term exposure to Cl2 gas are known to have destructive effects.

HELP ME THE WHOLE PAGE !!!! Someone help please

Answers

Answer:

In the image below

Explanation:

Hope this helps you :)

As ice transforms into steam, A)new molecules are formed. B)the types of atoms are changed. C)energy is absorbed by the molecules. D)the mass of the molecules is increased.

Answers

This is an example of a substance changing state, a physical change, the molecules are changed, but the atoms themselves do not change, just their arrangement, and the mass of the molecules is the same. Therefor energy is absorbed by the molecules, as energy is required to change the state or physicality of a molecule structure.Hope this helps. Let me know if you need additional help!

The answer is C) energy is absorbed by the molecules.

NEED HELP ASAP 30 POINTS!!!Label the parts of this atom

Answers

The black ones are protons the white ones are neutrons and the black ones on the circle edge thing is electrons!

1. Nucleus

  • It is the centre of the atom wherein the most of the mass exist also it consists of neutrons and protons.

2. Neutrons

  • Neutrons are chargeless particles present inside of the nucleus .

3. Electrons

  • Electrons are negatively charged particles revolving around the nucleus.

4. Protons

  • Protons are positivity charged particles inside of nucleus. The number of protons = The number of Electrons ( here ,3) .

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