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3 years ago

Volcanic island acres are associated with which type of plate boundary

1 answer:

5 0

Convergent

Island arcs are long chains of active volcanoes with intense seismic activity found along convergent tectonic plate boundaries (such as the Ring of Fire).

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Draw the structure of the bromohydrin formed when (Z)-3-hexene reacts with Br2/H2O. Use the wedge/hash bond tools to indicate st

Ipatiy [6.2K]

Answer:

(3R,4R)-4-bromohexan-3-ol

Explanation:

In this case, we have reaction called halohydrin formation. This is a markovnikov reaction with anti configuration. Therefore the halogen in this case "Br" and the "OH" must have different configurations. Additionally, in this molecule both carbons have the same substitution, so the "OH" can go in any carbon.

Finally, in the product we will have chiral carbons, so we have to find the absolute configuration for each carbon. On carbon 3 we will have an "R" configuration on carbon 4 we will have also an "R" configuration. (See figure 1)

I hope it helps!

5 0

3 years ago

Which terms means the loudness of sound?

tangare [24]

Explanation:

The answer is D, pitch.

6 0

3 years ago

Like all equilibrium constants, the value of Kw depends on temperature. At body temperature (37°C), Kw = 2.4 * 10-14. What are t

Aleksandr [31]

Answer:

pH = 6.8124

Explanation:

We know pH decreases with increase in temperature.

At room temperature i.e. 25⁰c pH of pure water is equal to 7

We know

Kw = [H⁺][OH⁻]...............(1)

where Kw = water dissociation constant

At equilibrium [H⁺] = [OH⁻]

So at 37⁰c i.e body temperature Kw = 2.4 × 10⁻¹⁴

From equation (1)

[H⁺]² = 2.4 × 10⁻¹⁴

[H⁺] = √2.4 × 10⁻¹⁴

[H⁺] = 1.54 × 10⁻⁷

pH = - log[H⁺]

= - log{1.54 × 10⁻⁷}

= 6.812

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3 years ago

when positively charged particles were radiated onto a gold atom, most of the particles went straight past. what is most likely

S_A_V [24]

Did you ever find out the answer I'm in dier need

7 0

3 years ago

Mercury orbits the sun at more than ten times the sun speed of Neptune

marysya [2.9K]

Answer: Yes, this is true.

Explanation: It only takes 88 days for Mercury to orbit around the sun. No other planet travels around the sun faster.

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3 years ago