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Andrej [43]
3 years ago
6

In which way does a balanced chemical equation demonstrate the conservation of matter?

Chemistry
1 answer:
777dan777 [17]3 years ago
8 0

Answer:

A. It shows the same number of atoms of each element on both sides of the equation.

Explanation:

A balanced chemical equation demonstrates the conservation of matter by showing the number of atoms of each element on both sides of the equation or expression.

According to the law of conservation of matter, matter is neither created nor destroyed in the course of a chemical reaction but atoms are rearranged.

  • Based on this premise, the number of atoms or moles on both sides of the expression must be equal.
  • If there are 3 atoms of carbon on one side, the product must also reflect 3 atoms of carbon.
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A covalent chemical bond is one in which _____. a covalent chemical bond is one in which _____. outer-shell electrons of two ato
PtichkaEL [24]

Answer:

            A covalent chemical bond is one in which <u>outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals</u>.

Explanation:

                   Covalent bonds are formed between two atoms having their electronegativity difference less than 1.7. In this type of bonding the valence electrons of one atoms forms molecular bond with the valence electrons of another atom. The electrons are mutually shared.

                   Covalent bond can be non-polar as for example formed between hydrogen and carbon atoms.

                   Also, covalent bond can be polar in nature as that formed between hydrogen and chlorine atoms because the chlorine atom is more electronegative and hence attracts the electrons more towards itself making density of electrons less on hydrogen atom.

5 0
3 years ago
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Can someone please help me with this? I would appreciate it.
Luba_88 [7]

Answer: State

Explanation:

The rock on the left is more shiny than the right, so that’s incorrect.

The rocks are not the same color, so that’s also incorrect.

Even though you can’t feel the textures, the right rock looks grainy and the left on doesn’t.

They both are solid, so that is the correct answer.

6 0
2 years ago
A hypothetical covalent molecule, X–Y, has a dipole moment of 1.93 1.93 D and a bond length of 109 pm. 109 pm. Calculate the par
Gnesinka [82]

Answer:

q= 110.5 ke

Explanation:

Dipole moment is the product of the separation of the ends of a dipole and the magnitude of the charges.

μ = q * d

μ= Dipole moment (1.93 D)

q= partial charge on each pole

d= separation between the poles(109 pm).

e= electronic charge ( 1.60217662 × 10⁻¹⁹ coulombs)

So,

q= \frac{1.93}{109 * 10^{-12} } coulombs

q = \frac{1.93}{109 * 10^{-12} *  1.60217662 * 10^{-19} } e

q = 1.105 * 10⁵ e

q= 110.5 ke

4 0
3 years ago
Why could a diet low in carbohydrates be dangerous?
ICE Princess25 [194]
Yo!
Im not sure 'bout your answer but 60 percent the answer can be,
The body could take in too much dietary fiber, which harms the cell.
4 0
3 years ago
Which Lewis electron-dot diagram is correct for CO2?
Effectus [21]

Answer:

see explanation

Explanation:

The Lewis structure of a substance is otherwise known as its dot electron structure. It gives an immediate picture of the bonding and number of electron pairs in the molecule. The diagram shows only the valence electrons on each of the bonding atoms in the molecule and how they combine to form the molecule under consideration.

The correct Lewis structure for CO2  is shown in the image attached. CO2 has 16 valence electrons. This can be verified by counting the number of dots in the image attached.

3 0
2 years ago
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