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DedPeter [7]
3 years ago
14

Draw the structure of an alcohol with the molecular formula C5H12O that exhibits the following signals in its 13C NMR spectra: (

a) Broadband decoupled: 73.8 δ, 29.1 δ, and 9.5 δ (b) DEPT-90: 73.8 δ (c) DEPT-135: positive signals at 73.8 δ and 9.5 δ; negative signal at 29.1 δ

Chemistry
1 answer:
Andre45 [30]3 years ago
8 0

Answer:

Explanation:

See attachment

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Methanol (methyl alcohol, CH₃OH), is a very important industrial chemical. Formerly, methanol was prepared by heating wood to hi
katrin [286]

Answer:

CO(g) + 2H₂(g) → CH₃OH(l)

Explanation:

Carbon monoxide has molecular formula CO, molecular hydrogen has formula H₂, and methanol is CH₃OH.

The reactants are CO and H₂ and the product CH₃OH:

CO(g) + H₂(g) → CH₃OH(l)

To balance the equation, the elements must have the same amount on each side. C and O are balanced, but there is 4H in the product and only 2 in the reactant, so we multiply H₂ for 2:

CO(g) + 2H₂(g) → CH₃OH(l)

And the equation is balanced.

4 0
3 years ago
If oxygen is removed from a sample of air as iron rust, what happens to the particle pressure of oxygen in the air?
klasskru [66]

Answer : It increases

Rusting is where oxygen binds to iron and forms iron oxide.

So once iron rusts, there is oxygen, just not in air; it's in the iron oxide.


All reactions are reversible, albeit at different rates (the "irreversible" ones are still reversible, but much slower given that they take so much collision luck and energy.

5 0
3 years ago
How does calcium obey the octet rule when reacting to form compounds?
wolverine [178]
The answer is C. because it gives up two electrons.
8 0
3 years ago
Read 2 more answers
The reactant concentration in a first-order reaction was 8.10×10−2 M M after 15.0 s s and 1.80×10−3 M M after 90.0 s s . What is
kipiarov [429]

Answer:

The answer to the question is

The rate constant for the reaction is 1.056×10⁻³ M/s

Explanation:

To solve the question, e note that

For a zero order reaction, the rate law is given by

[A] = -k×t + [A]₀

This can be represented by the linear equation y = mx + c

Such that y = [A], m which is the gradient is = -k, and the intercept c = [A]₀

Therefore the rate constant k which is the gradient is given by

Gradient = \frac{[A]_{2} - [A]_{1}  }{t_{2} - t_{1}  }  where [A]₁ = 8.10×10⁻² M and [A]₂ = 1.80×10⁻³ M

= \frac{1.80*10^{-3} M- 8.10*10^{-2} M}{90 s - 15 s} = -0.001056 M/s = -1.056×10⁻³ M/s

Threfore k = 1.056×10⁻³ M/s

3 0
3 years ago
Why is a changing ocean temperature of only one or 2 degrees so concerning? Please help!!!!
Svetllana [295]
Because it throws the earth off balance and if it does it often enough then it will soon add up.

6 0
3 years ago
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