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tigry1 [53]
3 years ago
9

Predict the type of substitution mechanism predict which reaction of the pair will occur at a faster rate

Chemistry
1 answer:
Diano4ka-milaya [45]3 years ago
5 0
You put in a variable to substitute the unknown number.
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Given the speed of light as 3.0 × 108 m/s, calculate the wavelength of the electromagnetic
kupik [55]

Answer:

The answer is

\huge 4.054 \times  {10}^{ - 5}  \: m \\

Explanation:

The wavelength of the electromagnetic

radiation can be found by using the formula

\lambda  =  \frac{c}{f}  \\

f is the frequency

c is the speed of light

From the question we have

\lambda  =  \frac{3.0 \times  {10}^{8} }{7.4 \times  {10}^{12} }  \\

We have the final answer as

4.054 \times  {10}^{ - 5}  \: m

Hope this helps you

4 0
3 years ago
Which of the following compounds would you expect to be the most reactive?
9966 [12]

  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>

4 0
3 years ago
name the following chemical compound. p2o5 a. diphosphorus pentoxide b. diphosphorous tetraoxide c. phosphorous(ii) tetraoxide d
RUDIKE [14]
Diphosphorus pentoxide
5 0
3 years ago
What mass of CCl4 is required to prepare a 0.25 m solution using 115 g of hexane? (molar mass of ccl4 = 153.81 g/mol and molar m
natka813 [3]

4.42 g mass of CCl4 is required to prepare a 0.25 m solution using 115 g of hexane.

It's easy to find the molecular mass of a compound with these steps: Determine the molecular formula of the molecule. Use the periodic table to determine the atomic mass of each element in the molecule. Multiply each element's atomic mass by the number of atoms of that element in the molecule.

The molar mass of any compound can be found out by adding the relative atomic masses of each element present in that particular compound.

Hexane is an organic compound, a straight-chain alkane with six carbon atoms and has the molecular formula C₆H₁₄.

Therefore,

⇒ 0.115 g of Hexane x (0.25 mol CCl4/1 mol hexane) x (153.81 g of CCl4/1 mol CCl4) = 4.42g CCl4.

To learn more about CCL4 and Hexane here

brainly.com/question/15156642

#SPJ4

7 0
2 years ago
List the major points in daltons atomic theory
kvasek [131]
1. all elements are made of small particles called atoms
2. atoms of one element are identical in their properties, different atoms from different elements differ in properties
3. chemical reactions consist of atoms rearranging in whole number ratios
4. atoms can not be subdivided, created, or destroyed
5 0
4 years ago
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