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marishachu [46]
2 years ago
12

What type of forces which exist in liquid hydrogen fluoride ?

Chemistry
1 answer:
Misha Larkins [42]2 years ago
7 0

Answer:

H-F is a polar covalent molecule in which dipole-dipole interactions exists

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Which planets' orbits is the belt located between the main asteroid belt?
hichkok12 [17]
<span>circumstellar is the answer</span>
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4 years ago
You're invited to a hot tub party! Being the science geek that you are, you decide to calculate the amount of mL in the 650.0 ga
Sever21 [200]

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cool but can we have a little bit bigger

Explanation:

4 0
3 years ago
Which of the following does NOT involve a physical change?
jasenka [17]

Answer:mixing decomposing

Explanation:

Melting and grinding changes the physical form and mixing decomposing doesn’t

4 0
3 years ago
Consider the following chemical equilibrium:
jok3333 [9.3K]

Answer:

Kc = [CH₄] / [H₂]²

Kp = [CH₄] / [H₂]² * (0.082*T)^-1

Explanation:

Equilibrium constant, Kc, is defined as the ratio of the concentrations of the products over the reactants. Also, each concentration of product of reactant is powered to its coefficient.

<em>Pure solids and liquids are not taken into account in an equilibrium</em>

Thus, for the reaction:

C(s)+ 2H₂(g) ⇌ CH₄(g)

Equilibrium constant is:

<h3>Kc = [CH₄] / [H₂]²</h3>

Now, using the formula:

Kp = Kc* (RT)^Δn

<em>Where R is gas constant (0.082atmL/molK), T is the temperature of the reaction and Δn is difference in coefficients of gas products - coefficients of gas reactants (1 - 2= -1)</em>

Replacing:

<h3>Kp = [CH₄] / [H₂]² * (0.082*T)^-1</h3>

<em />

4 0
3 years ago
The equation of which of the below scientists could be used to find the wavelength of the emission lines of the hydrogen atom:
mihalych1998 [28]

The equation that scientists could use to find the wavelength of the emission lines of the hydrogen atom would be that of Balmer.

The wavelength of the emission lines of the hydrogen atom can be derived using the Balmer series:

        1/λ  = R_H (1/4 - 1/n^2)

Where λ = wavelength, R_H = Rydberg constant, and n = level of the original orbital.

The equation becomes applicable in getting the wavelength of emitted light when electrons in hydrogen atoms transition from higher (n) orbital to lower orbital (2)  levels.

More on the Balmer series can be found here: brainly.com/question/5295294

3 0
2 years ago
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