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3 years ago

PLZ HELP ILL GIVE BRAINLIST!

Chemistry

1 answer:

Schach [20]3 years ago

6 0

Answer:

The energy of a wave is inversely proportional to the wavelength of the wave.

As wavelength increases, the energy of the wave decreases.

As wavelength decreases, the energy of the wave increases.

Explanation:

The energy of a wave is directly proportional to the wave's frequency. As frequency increases, so does the energy of the wave.

$E\propto f$ (energy $E$ is proportional to frequency $f$ )

<u>How is this related to wavelength?</u>

Frequency is inversely proportional to wavelength. That means that as frequency increases, wavelength decreases and as frequency decreases, wavelength increases.

$f\propto \frac{1}{\lambda}$ (frequency $f$ is inversely proportional to wavelength $\lambda$ )

Therefore, as wavelength increases, the energy of a wave decreases and as wavelength decreases, the energy of a wave increases.

$E\propto f\propto \frac{1}{\lambda}$

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Artemon [7]

Answer:

Cl EN < O EN < F EN

Explanation:

Electronegativity is a periodic property that indicates the tendency of an atom to attract electrons when combined with another element. It is very useful for predicting the type of bonding of compounds, so it is not possible to talk about electronegativity in elements in a fundamental state.

In the periodic table the electronegativity increases diagonally and the values were established in the so-called Pauling scale.

It is expected that elements with high electron affinity and high ionization energy possess considered electronegativity, so the group of nonmetals have high electronegativity, in fact flour is the most electronegative element

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3 years ago

Explain how carbon’s bonding ability makes it unique.

STatiana [176]

$\huge\fcolorbox{red}{pink}{Answer ♥}$

The carbon atom is unique among elements in its tendency to form extensive networks of covalent bonds not only with other elements but also with itself. ... Moreover, of all the elements in the second row, carbon has the maximum number of outer shell electrons (four) capable of forming covalent bonds.

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2 years ago

determine the maximum amount of NaN03 that was produced during the experiment. Explain how you determined the amount

Angelina_Jolie [31]

Answer:

9 moles of NaNO3 is obtained

Explanation:

The balanced chemical reaction equation for the reaction is;

Al(NO3)3 + 3NaCl-------> 3NaNO3 + AlCl3

Now, we have to determine the limiting reactant. The limiting reactant yields the least amount of NaNO3.

1 mole of Al(NO3)3 yields 3 moles of NaNO3

4 moles of Al(NO3)3 yields 4 * 3/1 = 12 moles of NaNO3

Also,

3 moles of NaCl yields 3 moles of NaNO3

9 moles of NaCl yields 9 * 3/3 = 9 moles of NaNO3

Hence, NaCl is the limiting reactant and 9 moles of NaNO3 is obtained.

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2 years ago

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2 years ago

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2 years ago