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Nutka1998 [239]
3 years ago
8

Convert 0.00763 nL to L

Chemistry
1 answer:
Reptile [31]3 years ago
6 0

Answer:

7.63\cdot10^{-12} L

Explanation:

Conversion problems could be solved using dimensional analysis for convenient use and understanding. Dimensional analysis is a technique of multiplying the measure we have by a fraction corresponding to some two equal measures in different units.

In order to apply dimensional analysis here, we firstly need to know that a prefix 'n' stands for 'nano', and nano means 10^{-9}. In this case, we have nanoliters. Using the prefix, we can find a relationship between nanoliter and liter:

1 nL = 10^{-9} nL

We may now apply dimensional analysis. Since we wish to convert into liters, we'll be multiplying the number we have in nL by a fraction that contains this relationship with liters in the numerator and nanoliters in the denominator, so that nL terms cancel out and we would obtain the final answer in liters:

0.00763 nL\cdot \frac{10^{-9} L}{1 nL}=7.63\cdot10^{-12} L

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Calculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. What type of electr
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Answer:

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Explanation:

Our strategy here is to utilize the Rydberg equation for hydrogen atom electronic transition.

1/λ = Rh x (1/n₁² - 1/n₂²)   where  λ is the wavelength

                                                   Rh is Rydberg constant

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Now lets star the calculations.

a.  n₁  = 3, n₂ = 4

1/λ = 1.097 x 10⁷ /m x (1/3² - 1/4²) = 5.333 x 10⁵/m

λ  = 1/(5.333 x 10⁵ /m) = 1.875 x 10⁻⁶ m

Converting λ to nanometers:

1.875 x 10⁻⁶ m x (1 x10⁹ nm/m) = 1875 nm

b.  n₁  = 4, n₂ = 5

1/λ = 1.097 x 10⁷ /m x  (1/4² - 1/5²) = 2.468 x 10⁵/m

λ  = 1/(2.468 x 10⁵/m) = 4.051 x 10⁻⁶ m

4.051 x 10⁻⁶ m x  (1 x10⁹ nm/m)  = 4051 nm

c.  n₁  = 3, n₂ = 5

1/λ = 1.097 x 10⁷ /m x  (1/3² - 1/5²) = 7801 x 10⁵/m

λ  = 1/(7801 x 10⁵/m) = 1282 x 10⁻⁶ m

1282 x 10⁻⁶ m x  (1 x10⁹ nm/m)  = 1282 nm

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