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Svet_ta [14]
3 years ago
12

Which of the following is composed mostly of ice?

Chemistry
1 answer:
Zanzabum3 years ago
5 0

Answer: The answer is C- comets!                                                                            

Explanation:  Callisto is composed mainly of rock and water ice, although other ices like ammonia ice and carbon dioxide ice may be present. Water ice occurs at the surface of Callisto so it would be comets.

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Mercury(II) oxide (HgO) decomposes to form mercury (Hg) and oxygen (O2). The balanced chemical equation is shown below.
IceJOKER [234]
2HgO=2Hg + O2
433,18 g. = 32 g
x. = 250 g
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3 years ago
How does the level of organization relate to cells? To organ systems?
kotegsom [21]
Cells make up tissues, Tissues make up Organs, and Organs make up Organ Systems.
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WILL MARK AS BRAINLIEST<br> Name the following ionic compounds.
STALIN [3.7K]
1) Magnesium Chloride 
2) Sodium Bromide 
3) Magnesium Oxide
4) Nickel (III) Fluoride 
5) Aluminum Chloride
6) <span>Rubidium Sulfide
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7 0
3 years ago
Write the molecular formula for the compound that exhibits a molecular ion at M+ = 112.0499. Assume that C, H, N, and O might be
navik [9.2K]

Answer:

C₆H₁₀NO

Explanation:

In order to arrive at a molecular formula we have to make some assumptions and they are

Assuming there is one ( 1 ) N and one ( 1 ) O that is present in the said molecule

Total mass =   29.998

next step: subtract the total mass from 112.0499 = 82.501

next : assume the presence of 6 carbon atoms in said molecule

Total mass =  6 * 12 = 72

Mass of Hydrogens = 82.501 - 72 = 10.501

∴ number of hydrogens = 10.501 / 1.0078  ≈ 10

Hence Total mass = 29.998 + 82.501  ≈ 112.0499

Finally Molecular formula = C₆H₁₀NO

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What is the wavelength of a 229 Hz sound wave moving at a speed of 345 m/s?
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Answer:

wave length=speed/frequency

=345/229

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3 years ago
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