3 years ago

Which type of wave do the particles in a medium move parallel to the direction that the waves move

1 answer:

8 0

Longitudinal waves. In a longitudinal wave the particles in the medium move parallel to the direction waves go. A good example can be the p-waves in an earthquake.

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Electronic configurations and charges of the ions<br>in lithium fluoride?

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Answer:

Explanation:

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an atom of lithium donates an electron to an atom of fluorine to form an ionic compound. The transfer of the electron gives the lithium ion a net charge of +1, and the fluorine ion a net charge of -1.

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3 years ago

In the chemical formula for an ionic compound, which item is written first?

scoundrel [369]

Answer:

a positive ion

Explanation:

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Calculate the molarity of a solution of monoprotic KHP prepared by mixing a 0.5237 g KHP in 50.0 mL of water .

Sergio039 [100]

Answer:

$M=0.0513M$

Explanation:

Hello!

In this case, since the molarity of a solution is computed by dividing the moles of solute by the volume of solution, we notice we first need the moles of KHP as shown below:

$n=0.5237g*\frac{1mol}{204.22 g} =0.00256mol$