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statuscvo [17]
3 years ago
14

What is the speed of a wave with a wavelength of 3 m and a frequency of .1 Hz?

Chemistry
1 answer:
ratelena [41]3 years ago
3 0

Answer:

wave velocity= frequency × wave length

=1×3

=3m/s

Explanation:

The distance covered by the wave in one second is equal to its wavelength, therefore,

wave velocity=wavelength/time period

OR wave velocity= frequency× wavelength

You can assume velocity as speed here.

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A teacher performs a flame test lab experiment for various compounds. During the lab, the teacher mislabels one of the solutions
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Answer: By performing the flame test

Explanation:

The flame test can be performed by the teacher to visually identify the substance in the solution. The metals give a characteristic color on burning. The heat of the flame causes the excitation of the electrons present in the metal ions this leads to release of energy along with the emission of visible wavelength of light. This visible light can be observed by human eye. For example, the copper produces the blue color in flame, barium gives green flame, and sodium gives yellow flame.

4 0
2 years ago
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Genrish500 [490]
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2 years ago
What is abbreviated structural formula of the 2-metil-5-isopropiloctan?​
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Answer:

            CH3

            |

CH3-    C H  -CH2-CH2-      CH   - CH2-CH2-CH3

                                              |

                                              CH

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                                         CH3  CH3

Explanation:

Octan

C-C-C-C-C-C-C-C

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CH3 -

Isopropyl

     CH3

    /

- CH

   \

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2-metil-5-isopropiloctan

           CH3

            |

CH3-    C H  -CH2-CH2-      CH   - CH2-CH2-CH3

                                              |

                                              CH

                                           /     \

                                         CH3  CH3

                           

8 0
3 years ago
A substance formed when two or more elements combine and lose their distinct properties is
hram777 [196]
Is a compound that went through a chemicAl change
7 0
2 years ago
If you start with 4.3 moles of NH3, how many moles of NANH2 can be produced
mash [69]

Explanation:

Mole ratio of NH3 to NaNH2 = 2 : 2.

Moles of NaNH2 produced

= 4.3mol * (2/2) = 4.3mol.

4 0
2 years ago
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