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Alex Ar [27]
3 years ago
10

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.

<h2>Why?</h2>

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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Answer:

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Explanation:

A chemical change occurs when there is a chemical reaction, so there'll be changed in the compounds, such as forming new ones, forming its elements, or elements forming compounds.

A physical change occurs when there is a change in the state of aggregation of the compound, it means that it changes its physical state. Solid for liquid, liquid for solid, liquid for gas, gas for liquid, solid for gas, and gas for solid are the physical changes.

So the evaporation of water, or its conversion in gaseous water, is a physical change, not a chemical change.

6 0
3 years ago
Calculate a reasonable amount (mass in g) of your unknown acid to use for a titration. You will want about 30 mL of titrant to g
Vinil7 [7]

Answer:

"0.60 g" is the appropriate solution.

Explanation:

The given values are:

Volume of base,

= 30 ml

Molarity of base,

= 0.05 m

Molar mass of acid,

= 400 g/mol

As we know,

⇒  Molarity=\frac{Number \ of \ moles \ of \ base}{Number \ of \ solution}

On substituting the values, we get

⇒           0.05=\frac{Number \ of \ moles \ of \ base}{30\times 10^{-3}}

⇒  Number \ of \ moles \ of \ base=0.05\times 30\times 10^{-3}

⇒                                             =1.5\times 10^{-3}  

hence,

⇒  Moles \ of \ acid=\frac{Mass \ of \ acid}{Molar \ mass \ of \ acid}

On substituting the values, we get

⇒  1.5\times 10^{-3}=\frac{Mass \ of \ acid}{400}

⇒  Mass \ of \ acid=1.5\times 10^{-3}\times 400

⇒                         =0.60 \ g

8 0
3 years ago
Zinc reacts with excess hydrochloric acid to produce zinc chloride and hydrogen gas. What happens to the reaction rate if you in
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3 years ago
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What is the molar mass of: Ga2(SO3)3?
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Answer:

Explanation: The molar mass and molecular weight of Cr2(SO3)3 is 344.182.

6 0
3 years ago
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When potassium hydroxide and barium chloride react, potassium chloride and barium hydroxide are formed. The balanced equation fo
Mashcka [7]

Answer:

The answer to your question is letter C.

Explanation:

Reaction

Potassium hydroxide = KOH

Barium chloride = BaCl₂

Potassium chloride = KCl

Barium hydroxide = Ba(OH)₂

           KOH   +   BaCl₂    ⇒    KCl   +   Ba(OH)₂

         Reactant        Elements       Products

               1                     K                      1

               1                     Ba                    1

               2                    Cl                     1  

                1                     H                    2

                1                     O                    2

The reaction is unbalanced

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         Reactant        Elements       Products

               2                     K                     2

               1                     Ba                    1

               2                    Cl                     2  

               2                      H                    2

               2                     O                    2

Now, the reaction is balanced

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3 years ago
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