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Harlamova29_29 [7]
3 years ago
11

Why do you think moles are important for stoichiometry?

Chemistry
1 answer:
kompoz [17]3 years ago
4 0

Answer:

cuz

Explanation:

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How do particles in matter change when a substance becomes hotter, cool down, or changes state?
Nana76 [90]

Answer:

When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.

hope this helps!!!!!!

3 0
3 years ago
Please help with this question!
Alex17521 [72]

Answer:

A) potential energy is stored energy. Kenetic energy is energy of motion.

6 0
2 years ago
how many electrons does it take to fill the mos formed from the combination of the 3s orbitals of two atoms?
Musya8 [376]

The number of electrons it take to fill the mos formed from the combination of the 3s orbitals of two atoms simply is 14 electrons.

<h3>How electrons are distributed in the 3s orbitals.</h3>

The 3s orbital possess two different spherical nodes which is highly connected with the principal quantum number. In order words, it has 2 radial nodes. Also the shape of the 3s orbital is spherical in shape.

That being said, from the context of the above given task, the number of electrons which fill the mos formed from the combination of the 3s orbitals of two atoms is fourteen electrons.

However, the electron configuration of an atom simply is the arrangement of electrons in the electron shell or orbit of the atom of that element.

In conclusion, it can be deduced from above s orbital has a maximum of two electrons and this energy increases as the orbitals increases.

Read more on electron:

brainly.com/question/860094

#SPJ1

7 0
1 year ago
C2H4+
klasskru [66]

Answer:

A. Theoretical yield = 3.51g

B. %yield = 75%

Explanation:

The balanced equation for the reaction is given below:

C2H4 + 3O2 —> 2CO2 + 2H2O

Molar Mass of O2 = 16 x 2 = 32g/mol

Mass of O2 from the balanced equation = 3 x 32 = 96

Molar Mass of H20 = (2x1) + 16 = 18g/mol

Mass of H2O from the balanced equation = 2 x 18 = 36g

A. From the equation,

96g of O2 produced 36g of H2O

Therefore, 9.35g of O2 will produce = (9.35 x 36)/96 = 3.51g of H2O

Therefore,theoretical yield of water (H2O) = 3.51g

B. Theoretical yield = 3.51

Actual yield = 2.63g

%yield =?

%yield = Actual yield/Theoretical yield x 100

%yield = 2.63/3.51

%yield = 75%

4 0
3 years ago
When you walk up to any substance, you can categorize the substance as a solid, liquid, or gas. You could further categorize the
natima [27]

Answer and Explanation:

In Chemistry, the quantity or amount of a pure substance is given by:

  1. <em>mass</em><em> (in grams)</em>
  2. <em>Volume </em><em>(in millilitres or litres)</em>
  3. <em>Moles </em><em>(mol) </em>

Inter-conversion of units is allowed based on defined units and constituent of the substance.

I believe this explanation would be helpful and easy to follow.

8 0
3 years ago
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