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Shtirlitz [24]
3 years ago
12

The melting point of oxygen is -218°C and its boiling point is -183°C. What is the state of oxygen at -200°C?Immersive Reader

Chemistry
1 answer:
Anna007 [38]3 years ago
3 0

it is in a liquid state

Explanation:

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Please help thaank youu
krek1111 [17]
First, let's start off by finding the mass of this whole hydrate.
(Note: the unit of measurement for mass will be amu)

Let's find the molecular mass of each element.
Co=58.933
Cl=35.45
H=1.008
O=15.999

Now, let's find the mass of each compound.

CoCl_2=58.933+2(35.45)=129.833
H_2O=2(1.008)+15.999=18.015

We have 6 molecules of H2O, so multiply 18.015 by 6 then add that with the weight of CoCl2.

6(18.015)=108.09
129.833+108.09=237.923

Now divide 108.09 (mass of all the H2O in the hydrate) by 237.923 (total mass of hydrate).

\dfrac{108.09}{237.923}

\approx0.45431

Turn that into a percentage and you get 45.431%.
Hope this helps! :)
6 0
3 years ago
How is the life cycle of a star similar to that of a human?
QveST [7]
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Brainliest?
4 0
2 years ago
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What are the steps to finding an items density?
Assoli18 [71]
There are 5 steps:
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5-divide the mass by the volume.
3 0
3 years ago
All molecules are made up of: <br> A)hydrogen <br> B)minerals <br> C)atoms <br> D)gas
masya89 [10]

answer c atoms

i think that is correct

4 0
3 years ago
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How can there be more than 1000 different atoms when there are only about 100 different elements?
Irina-Kira [14]
Um im pretty sure there are only about 100 different atoms...
7 0
3 years ago
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