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barxatty [35]
3 years ago
7

What evidence did Wegener use to support his continental drift hypothesis?

Chemistry
1 answer:
Mrac [35]3 years ago
6 0

Answer: Coastlines.

Explanation: South America's and Africa's shoreline interlocks perfectly. Which implies they must have been joined together in history.

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Which of the following compounds would you expect to be the most reactive?
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  The   compound  that  would  be   most   reactive  is   Ethyne  (answer A)


   <u><em>  explanation</em></u>

  •    Ethyne   is the  most    unsaturated  among the four  compounds  ( <em> it  has a triple bond between  the two carbon atoms) .</em>

  • The  triple  bond in ethyne   is made up  of 1  sigma  bond  and  2π   bond.
  • <em>The 2π  bond  are  weaker   and can  easily break   which  make  Ethyne  more  reactive than  Ethene, methane  and Ethane.</em>

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A Bronsted-Lowry base is defined as a substance that
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What data would be most helpful to support the claim that the population of a certain plant is dependent on the rainfall in its
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A student needs to standardize a base solution by titration with an acid solution of known concentration. She finds the volume o
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The steps usually involves adding the known solution (the titrant) to a known quantity of the unknown solution (the analyte) until the reaction is complete which can be understood in detail as below with the help of through out process of titration.

<h3 /><h3>What is Titration ?</h3>

A titration is a technique used to work out the concentration of an unknown solution based on its chemical reaction with a solution of known concentration.

Steps in order to determine the concenteration of base solution ;  

(Acid-Base Titration)

  • Choose the titrant.
  • Choose the titrate.
  • Select the normality of the titrate.
  • Choose the volume of the liquid to be pipetted out.
  • Select the indicator.
  • Start titration.
  • End point is noted at the colour change of the solution.
  • From the final reading the normality of titrant can be calculated by the equation:

                                          ​N₁V₁=N₂V₂

  • After finding the normality, the amount of given substance in the whole of the given solution can be calculated by the equation:

          ​Mass = Equivalent weight  x  Normality \  Volume  {1000}

Learn more about titration here ;

brainly.com/question/15365870

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