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3 years ago

What does resonance result in?

Chemistry

1 answer:

Tcecarenko [31]3 years ago

3 0

louder sounds

Explanation:

Resonance results in louder sounds.

Resonance is a phenomenon that produces a large vibration as a result of smaller vibration that causes the resonating body to vibrate at its own natural frequency.

Resonance results in sound amplification and causes louder sounds. Increasing vibration results in the production of a louder sound.

Learn more:

Resonance in chemistry brainly.com/question/9422880

#learnwithBrainly

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76.5 scientific notation

kiruha [24]

Answer:
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2 years ago

1. AA, AAA, C and D cells all deliver the same voltage( 1.5V) when the batteries are fully charged. However,as the size of the b

tigry1 [53]

Answer:

A. The increase in size of the battery results in a smaller internal resistance and hence, a larger current delivery.

B. Zinc serves as the anode

Explanation:

A. The current that a battery can deliver is affected by the internal resistance of the battery.

The internal resistance resistance, r, is the resistance to flow of current within the battery. The smaller the internal resistance for a given emf, the more current and the more power the source can supply.

The relationship between current, I, emf, E, the external load ,R, and internal resistance is given by the equation:

I = E / (R + r)

The bigger the size of a battery, the smaller its internal resistance and thus, the larger the current the battery can deliver.

B. In a battery, the cathode is reduced by accepting electrons from the anode, while the anode is oxidized to zinc ion by giving up its electrons to the cathode.

From the equation of the reaction, metallic zinc is oxidized by giving up two electron to the cathode.

Zn(s) ----> Zn2+ + 2e-

Therefore, metallic zinc serves as the anode.

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3 years ago

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OverLord2011 [107]

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3 years ago

Propose a mechanism to account for the formation of a cyclic acetal from 4-hydroxypentanal and one equivalent of methanol. If th

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Answer:

If carbonyl oxygen of 4-hydroxypentanal is enriched with $O^{18}$ , then the oxygen label appears in the water .

Explanation:

In the first step, -OH group at C-4 gives intramolecular nucleophilic addition reaction at carbonyl center to produce a cyclic hemiacetal.
Then, one equivalent of methanol gives nucleophilic substitiution reaction by substituting -OH group in cyclic hemiacetal to produce cyclic acetal.
If carbonyl oxygen of 4-hydroxypentanal is enriched with $O^{18}$ , then the oxygen label appears in the water produced at the end of reaction.
Full reaction mechanism has been shown below.

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4 years ago

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3 years ago

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