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3 years ago

An online wave simulator created these four waves. Which wave has the lowest frequency?

Chemistry

2 answers:

Harlamova29_29 [7]3 years ago

5 0

Hello! I am sure the second one has the lowest because of how little it is moving unlike 1,3,and 4 maybe this helps, Have a great day!

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Luden [163]3 years ago

3 0

<h2>Hello!</h2>

The wave with the lowest frequency is the second one.

Frequency is defined as the number of times that a periodic phenomenon is repeated in a given time. Regarding waves, the frequency of a wave is the number of times that a wave repeats in a unit of time. Frequency is measured in Hertz (Hz=1/s).

The relationship between frequency and wavelength is inverse, meaning that longer wavelengths mean lower frequencies. From the given list, the wave with the longest wavelength is the second one, meaning that its frequency is the lower.

Have a nice day!

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When a 5.00-g metal piece, A, was immersed in 38.0 mL of water, the water level rose to 50.0 mL. Similarly, when a 5.00-g metal

Mnenie [13.5K]

Answer:

A is denser than B as it's volume for the same mass is smaller.

Explanation:

Hello.

In this case, we first need to take into account that the density of each metal A and B is computed by dividing the mass over the volume of each metal which is actually computed by substracting the volume of water from the volume of the water and the solid:

$V_A=50.0mL-38.0mL=12.0mL\\\\V_B=60.0mL-38.0mL=22.0mL$

Next, we compute the densities as shown below:

$\rho_A=\frac{m_A}{V_A}=\frac{5.00g}{12.0mL}=0.42g/mL\\ \\\rho_B=\frac{m_B}{V_B}=\frac{5.00g}{22.0mL}=0.23g/mL$

In such a way, A is denser is B as it's volume for the same mass is smaller.

Best regards.

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3 years ago

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lidiya [134]

Answer:

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

Explanation:

<em>Photosynthesis</em> is the chemical process carried out by plants for the conversion of inorganic matter (carbon dioxide and water) into organic matter (glucose) with the release of oxygen, using light (sun energy).

So the chemical process may be represented by:

<u>Word equation: </u>

carbon dioxide + water + sun energy → glucose + oxygen

<u>Skeleton equation:</u>

CO₂ + H₂O + sun energy → C₆H₁₂O₆ + O₂

<u>Balanced chemical equation:</u>

6CO₂ + 6H₂O + sun energy → C₆H₁₂O₆ + 6O₂

<u>Supressing the energy to show only the chemical compounds:</u>

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

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