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uranmaximum [27]
3 years ago
13

From the spectral data (1H, 13C NMR, IR, MS) you were given, identify the structure of your product.Explain why you chose your p

articular product based on the spectroscopic data. You will not receive
full marks for determination of the unknown unless you explain why.
Chemistry
1 answer:
fomenos3 years ago
7 0

Answer:

There is no structure, it depends on what the product contains

Explanation:

In considering a spectroscopic method of identifying a product, if the compound has hydrogen atom then the proton NMR is considered because it contains a nuclear spin.

on the other hand, if it contains carbon, whether Quaternary carbon, tertiary carbon or secondary carbon, then definitely carbon-13 NMR will be considered. and if the compound has a functional group and the group absorbs IR with a particular frequency, then IR will be used in characterizing the compound..

but if the compound when bombarded gives species of radical ion, then Mass spectroscopy will be used in identifying such compound

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What is the correct scientific notation for 640,000,000? Question 5 options: 6.4X10^8 6.4X10^10 64X10^10 640X10^8
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For very large numbers, it is much more convenient to use scientific notation. To do this, detect first the position of the decimal point. For whole numbers, the decimal point is place implicitly after the very last digit. Then, move this decimal point to the left until you reach to the last digit. In this case, you moved 8 places until you reach 6.4. Because the number is more than 1, the exponent would have a positive sign. Hence, the scientific notation would be 6.4×10⁸.
5 0
3 years ago
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zheka24 [161]

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B

Explanation:

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3 years ago
In the activity, click on the E∘cell and Keq quantities to observe how they are related. Use this relation to calculate Keq for
inessss [21]

Answer:

The standard cell potential of the reaction is 0.78 Volts.

Explanation:

Cu^{2+}(aq)+Fe(s)\rightarrow Cu(s)+Fe^{2+}(aq)

Reduction at cathode :

Cu^+(aq)+2e^-\rightarrow Cu(s)

Reduction potential of  Cu^{2+} to Cu=E^o_{1}=0.34 V

Oxidation at anode:

Fe(s)\rightarrow Fe^{2+}(aq)+2e^-

Reduction potential of  Fe^{2+} to Fe=E^o_{2}=-0.44 V

To calculate the E^o_{cell} of the reaction, we use the equation:

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Putting values in above equation, we get:

E^o_{cell}=0.34V -(-0.44 V)=0.78 V

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3 0
3 years ago
Help pleaseeee. over dilutions in chemistry
atroni [7]

Answer:

5 L

Explanation:

We'll begin by calculating the molarity of the CaCl₂ solution. This can be obtained as follow:

Mole of CaCl₂ = 0.5 mole

Volume = 2 L

Molarity =?

Molarity = mole /Volume

Molarity = 0.5 / 2

Molarity = 0.25 M

Finally, we shall determine the volume of the diluted solution. This can be obtained as follow:

Molarity of stock solution (M₁) = 0.25 M

Volume of stock solution (V₁) = 2 L

Molarity of diluted solution (M₂) = 0.1 M

Volume of diluted solution (V₂) =?

M₁V₁ = M₂V₂

0.25 × 2 = 0.1 × V₂

0.5 = 0.1 × V₂

Divide both side by 0.1

V₂ = 0.5 / 0.1

V₂ = 5 L

Thus the volume of the diluted solution is 5 L

5 0
2 years ago
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