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yuradex [85]
3 years ago
6

For which of the molecules

Chemistry
1 answer:
Damm [24]3 years ago
4 0
A and B only because O2 and CO2 do not have dipole moments
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What is the highest occupied energy level for an atom of copper (Cu)? *
bonufazy [111]

Answer:

third energy level - 18

hope this helps

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3 years ago
Calculate the ionization energy, ????????, of the one‑electron ion Be3+. The electron starts in the lowest energy level, ????=1.
spin [16.1K]

Answer:

3.49X10⁻¹⁷ J

Explanation:

The energy of an electron is given by the equation:

E = - (2.18x10^{-18})Z^2(\frac{1}{n^2})

Where Z is the number of protons of the atom and n is the energy level of the electron. For Be, Z = 4.

When n tends to infinity (1/n²) tends to 0, and at this point, the electron has left the atom, so it has ionized.

The ionization energy then is the energy of the electron that left the atom less the energy of the electron in the energy level:

I.E = - (2.18x10⁻¹⁸)x4²x0 - (-(2.18x10⁻¹⁸)x4²x(1/1²))

I.E = 3.49X10⁻¹⁷ J

3 0
3 years ago
How does a molecular formula differ from a structural formula?
mr Goodwill [35]

Explanation:

Molecular formulas show correct and accurate number of each type of the atoms which are present in molecule.

On the other hand, structural formulas show arrangement of atoms and covalent bonds between them.

For example,

The molecular formula for carbon dioxide is CO_2

The structural formula is O = C = O

7 0
3 years ago
QUICK WILL MARK BRAINIEST!!!! The general formula for an acid is (__n ___) where _____ stands for hydrogen, n stands for the ___
Olenka [21]

Answer:

The general formula for an acid is HnX where H stands for hydrogen, n stands for the number of hydrogen ions, and X stands for the monatomic or polyatomic ions ( since those are negative charged ions, they are called anions).

Explanation:

The general formula for an acid is HnX) where H stands for hydrogen, n stands for the number of hydrogen ions, and X stands for the monatomic or polyatomic ions ( since those are negative charged ions, they are called anions).

An example is H2SO4, also called sulfuric acid

It shows that H2SO4 has 2 hydrogen atoms, so in the formula HnX n=2

X fro H2SO4 is SO42-, it's a polyatomic ion. Since it has a negative charge of 2- it needs 2 hydrogen atoms to bind and form H2SO4

4 0
3 years ago
Given the equilibrium: A+B <--> C. The greatest concentration of C would be produced if the equilibrium constant of the re
Ad libitum [116K]

Answer: The greatest concentration of C would be produced if the equilibrium constant of the reaction is equal to 1\times 10^9

Explanation:

Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as K_c

For the given chemical reaction:

A+B\rightarrow C

The expression for K_c is written as:

K_c=\frac{[C]}{[A][B]}

Thus higher is the value of K_c , higher will be the concentration of C. Thus the greatest concentration of C would be produced if the equilibrium constant of the reaction is equal to 1\times 10^9

5 0
3 years ago
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