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4vir4ik [10]
2 years ago
13

Which of these is an example of chemical separation of a substance?

Chemistry
1 answer:
OleMash [197]2 years ago
6 0

Answer:

Bond broking

Explanation:

Bond broking.

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1. 62 miles per hour into meters per second
Andre45 [30]

Answer:

99758 meters

Explanation: 1 mile=1609 meters. Just multiply 62 with 1609. Let me know if you want a conversion sheet.

8 0
3 years ago
What is the lewis dot structure of NaBr
Anon25 [30]
<span><span>LiF, LiCl, LiBr, LiI, LiAtNaF, NaCl, NaBr, NaI, NaAtKF, KCl, KBr, KI, KAt</span><span>RbF, RbCl, RbBr, RbI, RbAt CsF, CsCl, CsBr, CsI, CsAt FrF, FrCl, FrBr, FrI, FrAt<span>
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3 0
3 years ago
Us<br> What is the percent of O in<br> Cr2O3?<br> (Cr = 52.00 amu, O = 16.00 amu)<br> [? ]%
Gekata [30.6K]

The percent of O in  Cr₂O₃ : 31.58%

<h3>Further explanation</h3>

Given

Cr = 52.00 amu, O = 16.00 amu

Required

The percent of O

Solution

MW Cr₂O₃ = 2 x Ar Cr + 3 x Ar O

MW Cr₂O₃ = 2.52+3.16

MW Cr₂O₃ =152 amu

\tt \%O=\dfrac{3.Ar~O}{MW~Cr_2O_3}\times 100\%\\\\\%O=\dfrac{3.16}{152}\times 100\%\\\\\%O=31.58\%

8 0
2 years ago
Missions to mars are feasible only once every two years ?
krek1111 [17]

Answer:

Yes.

Explanation:

If you want to use the least fuel, then missions to Mars are feasible every two years.

You want to launch when Earth and Mars are close together, and this happens <em>about every 26 months</em>.

However, Earth travels faster than Mars, so the spaceship must launch when Mars is 44° <em>ahead </em>of Earth in its orbit.

The ship will then use the most efficient trajectory to arrive at Mars.

6 0
3 years ago
Examination of a cell by transmission electron microscopy reveals a high density of ribosomes in the cytoplasm. This observation
True [87]

Answer:

The answer is the B. Proteins

Explanation:

It is known that Ribosomes are the factory to synthesize proteins. This is their function.  In cell zones where ribosomes are abundant, proteins are actively produced

3 0
2 years ago
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