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3 years ago

Which of the following is an example of a longitudinal wave?

Chemistry

1 answer:

Genrish500 [490]3 years ago

8 0

An example of a longitudinal wave would be the first option:

<em>"A wave traveling down a stretched Slinky toy, with both ends held</em>

<em>fixed"</em>

<h3>What is a longitudinal wave?</h3>

A longitudinal wave is a wave that oscillates in the same direction that the wave moves.

For example, the option D would not be a longitudinal wave, as the wave travels along the string direction, but the oscillations would be up and down, so this is a transversal wave.

Similarly with option C, water waves, where you can see how the waves expand radially with peaks and throughs, but again, the peaks and throughs are perpendicular to the motion direction, so again this is not a longitudinal wave (the same thing happens with the wave on the surface of a drum, only that here the patterns may be a lot more complex).

Finally, the correct option is A.

The oscillations on a spring are back and forth, so the oscillations are in the same directions than the wave motion, thus, these are longitudinal waves.

If you want to learn more about waves, you can read:

brainly.com/question/15531840

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Suppose 110.0 mL110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen

Fittoniya [83]

Suppose 110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen fluoride dissolves in water to form 150.0 mL of an aqueous solution. 0.032 M is the concentration of the resulting hydrofluoric acid.

<h3>What is Balanced Chemical Equation ?</h3>

The balanced chemical equation is the equation in which the number of atoms on the reactant side is equal to the number of atoms on the product side in an equation.

Now write the balanced chemical equation

H₂ + F₂ → 2HF

<h3>What is Ideal Gas ?</h3>

An ideal gas is a gas that obey gas laws at all temperature and pressure conditions. It have velocity and mass but do not have volume. Ideal gas is also called perfect gas. Ideal gas is a hypothetical gas.

It is expressed as:

PV = nRT

where,

P = Pressure

V = Volume

n = number of moles

R = Ideal gas constant

T = temperature

Here,

P = 1 atm [At STP]

V = 110 ml = 0.11 L

T = 273 K [At STP]

R = 0.0821 [Ideal gas constant]

Now put the values in above expression

PV = nRT

1 atm × 0.11 L = n × 0.0821 L.atm/ K. mol × 273 K

$n = \frac{1\ \text{atm} \times 0.11\ L}{0.0821\ \text{L. atm/ K. mol} \times 273\ K}$

n = 0.0049 mol

<h3>How to find the concentration of resulting solution ? </h3>

To calculate the concentration of resulting solution use the expression

$C = \frac{n}{V}$

$= \frac{0.0049}{0.15}$

= 0.032 M

Thus from the above conclusion we can say that Suppose 110.0 mL of hydrogen gas at STP combines with a stoichiometric amount of fluorine gas and the resulting hydrogen fluoride dissolves in water to form 150.0 mL of an aqueous solution. 0.032 M is the concentration of the resulting hydrofluoric acid.

Learn more about the Ideal Gas here: brainly.com/question/25290815
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4 0

2 years ago

9. What is the name of the molecule?

AnnyKZ [126]

Answer:

3–methyl–2–butanol

Explanation:

To name the compound, we must:

1. Identify the functional group.

2. Give the functional group of the compound the lowest possible count.

3. Locate the longest continuous carbon chain. This gives the parent name of the compound.

4. Identify the substituent group attached.

5. Give the substituent group the lowest possible count.

6. Combine the above to get the name of the compound.

Now, let us obtain the name of the compound.

1. The functional group of the compound is Alcohol i.e —OH.

2. The functional group is located at carbon 2.

3. The longest continuous carbon chain is carbon 4 i.e butane. But the presence of the functional group i.e OH will replace the –e in butane with –ol. Therefore, the compound is butanol.

4. The substituent group attached is methyl i.e CH3.

5. The substituent group is located at carbon 3.

6. Therefore, the name of the compound is:

3–methyl–2–butanol.

8 0

3 years ago

What is a radioactive tracer? Give an example of how one might be used.

Norma-Jean [14]

Uses for radioactive tracers is to look for flaws in metal objects and are also used by doctors to x-ray images to look at your bones.

3 0

3 years ago

What is an atom called when two stick together

Evgen [1.6K]

<em>An atom is called the mass number. </em><em />

4 0

3 years ago

Read 2 more answers

Does Silicon-32 has a half-life of 170 years and can be used to find the age of rocks it is contained in.

ioda

Silicon-32's half-life is actually 710 years.

8 0

3 years ago