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vova2212 [387]
3 years ago
12

1.) How many significant figures are in the following number 0.001040 nm

Chemistry
1 answer:
r-ruslan [8.4K]3 years ago
8 0
B is the answererrrr 2
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10. What base unit of measurement is common to all systems?
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Answer:

The SI system , also called theatrics system, is used around the world

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HELP WITH MY 2 QUESTION
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Answer:

Answer to number one

Explanation:

Polyethylene terephthalate (PET) is a plastic material used for milk packaging.

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3 years ago
Refer to the illustration above. Which time period shows exponential growth of the population
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4 0
4 years ago
A reaction was performed in which 4.0 g of cyclohexanol was reacted with an acid catalyst to obtain 2.8 g of cyclohexene. calcul
ioda

Answer:

              %age Yield  =  85.36 %

Solution:

The Balance Chemical Reaction is as follow,

               C₆H₁₂O  +   Acid Catalyst    →    C₆H₁₀  +  Acid Catalyst + H₂O

According to Equation ,

              100 g (1 mole) C₆H₁₂O produces  =  82 g (1 moles) of C₆H₁₀

So,

                       4.0 g of C₆H₁₂O will produce  =  X g of C₆H₁₀

Solving for X,

                      X =  (4.0 g × 82 g) ÷ 100 g

                      X  =  3.28 g of C₆H₁₀   (Theoretical Yield)

As we know,

                     %age Yield  =  (Actual Yield ÷ Theoretical Yield) × 100

                     %age Yield  =  (2.8 g ÷ 3.28 g) × 100

                     %age Yield  =  85.36 %

5 0
3 years ago
Which atomic model proposed that electrons move in specific orbits around the nucleus of an atom
asambeis [7]
The Bohr Model, which was proposed by Niels Bohr in 1913

5 0
3 years ago
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